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Journal articles on the topic 'Benzoyl group'

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1

Delogu, Giovanna Lucia, and Michela Begala. "Unexpected Migration of Benzoyl Group in the Synthesis of 3-Benzoyl-2-Phenylbenzofurans under Wittig Conditions." Proceedings 9, no. 1 (2018): 38. http://dx.doi.org/10.3390/ecsoc-22-05656.

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In the present work, we report the unexpected formation of isomeric 3-benzoyl-2-phenylbenzo[b]furans using triphenylphosphonium salt and benzoyl chlorides under Wittig conditions. In particular, we found that the o-[(benzoyloxy)benzyl]-triphenyl-phosphoranes constitute the key intermediate that reasonably undergoes benzoyl group migration.
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2

Logvinenko, Ivan G., Violetta G. Dolovanyuk та Ivan S. Kondratov. "The preparative synthetic approach to 4-(trifluoromethoxy)piperidine and 4-(trifluoromethoxymethyl)piperidine". Journal of Organic and Pharmaceutical Chemistry 19, № 1(73) (2021): 3–9. http://dx.doi.org/10.24959/ophcj.21.222669.

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Aim. To develop a convenient synthetic approach for the preparation of multigram amounts of 4-(trifluoromethoxy)-piperidine and 4-(trifluoromethoxymethyl)piperidine – promising building blocks for medicinal chemistry.Results and discussion. 4-(Trifluoromethoxy)piperidine (8.4 g) and 4-(trifluoromethoxymethyl)piperidine (12.9 g) were synthesized in 5 stages starting from 4-hydroxypiperidine (the overall yield 40 %) and 4-(hydroxymethyl)piperidine (the overall yield 13.5 %), respectively.Experimental part. The first stage of the synthetic strategy was acylation of 4-hydroxypiperidine with benzoyl ch
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3

Varsha, Tiwari, Nayak Badavath Vishnu, Kumar Singh Adesh, and Kandasamy Jeyakumar. "Synthesis of photolabile group protected anomeric acetals and its application in carbohydrate synthesis with the assistance of continuous flow photo-reactor." Journal of Indian Chemical Society Vol. 97, Feb 2020 (2020): 227–36. https://doi.org/10.5281/zenodo.5651714.

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Department of Chemistry, Indian Institute of Technology (BHU), Varanasi-221 005, Uttar Pradesh, India <em>E-mail</em>: jeyakumar.chy@iitbhu.ac.in <em>Manuscript received online 20 October 2019, revised and accepted 02 January 2020</em> Selective deprotection of photolabile anomeric 2-nitrobenzyl acetals was achieved using continuous flow photo-reactor (UV radiation at 355 nm) in methanol-water. Various protecting groups such as acetyl, benzyl, benzoyl, benzylidine, TBS, etc. were found to be highly stable during the photolysis.
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4

Wan, Miao, Hongxiang Lou, and Lei Liu. "C1-Benzyl and benzoyl isoquinoline synthesis through direct oxidative cross-dehydrogenative coupling with methyl arenes." Chemical Communications 51, no. 73 (2015): 13953–56. http://dx.doi.org/10.1039/c5cc04791a.

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An oxidative cross-dehydrogenative coupling of isoquinolines with methyl arenes has been developed, yielding structurally diverse C<sub>1</sub>-benzyl and -benzoyl isoquinolines selectively. The direct use of readily available methyl arenes as coupling partners avoids unproductive steps for preactivating functional group installation, and is thereby attractive.
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5

Yu, Lan, Weihua Xue, Teng Ma, Changwei Li, Zhan-xin Zhang та Zhaoyan Wang. "Indium(III) Iodide-Catalyzed Stereoselective Synthesis of β-Glucopyranosides by Using a Glucosyl Fluoride Donor with 2-O-Benzoyl-3,4,6-Tri-O-Benzyl Protection". Synlett 28, № 19 (2017): 2633–36. http://dx.doi.org/10.1055/s-0036-1589121.

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We have developed a novel protocol for glucosylation by adopting a glucosyl fluoride donor with 2-O-benzoyl-3,4,6-tri-O-benzyl protection. The protocol is useful for the ready assembly of β-linked functional glycoconjugates, and the reaction accommodates a broad range of substrates. Conveniently, water-tolerant and commercially available InI3 is used as a catalyst, and no other additional reagent is required. The method involves an interesting process for glucosyl fluoride activation and, in particular, permits the stereoselective construction of partially benzylated glucopyranosides carrying
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6

Aguilar, David, Ignacio Fernández, Luciano Cuesta, et al. "Synthesis, Structure, and Reactivity ofN-Benzoyl IminophosphoranesOrthoLithiated at the Benzoyl Group." Journal of Organic Chemistry 75, no. 19 (2010): 6452–62. http://dx.doi.org/10.1021/jo101151s.

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7

Ton, Quoc Cuong, Michael Bolte, and Ernst Egert. "Structural similarities among eight benzoylhydrazones." Acta Crystallographica Section C Structural Chemistry 70, no. 9 (2014): 912–19. http://dx.doi.org/10.1107/s2053229614018658.

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The crystal structures of eight benzoylhydrazones with different substituents have been investigated, namely 1-benzoyl-2-(propan-2-ylidene)hydrazone, C10H12N2O, (I), 1-benzoyl-2-(1-cyclohexylethylidene)hydrazone, C15H20N2O, (II), 1-benzoyl-2-[1-(naphthalen-2-yl)ethylidene]hydrazone, C19H16N2O, (III), 1-benzoyl-2-(1-cyclohexylbenzylidene)hydrazone, C20H22N2O, (IV), 1-benzoyl-2-(1-phenylbenzylidene)hydrazone, C20H16N2O, (V), 1-benzoyl-2-[1-(4-chlorophenyl)benzylidene]hydrazone, C20H15ClN2O, (VI), 1-benzoyl-2-(4-hydroxybenzylidene)hydrazone methanol monosolvate, C14H12N2O2·CH3OH, (VII), and 1-ben
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8

Huang, Zhe, Yinning Chen, Riming Huang, and Zhengang Zhao. "Identification and Structure–Activity Relationship of Recovered Phenolics with Antioxidant and Antihyperglycemic Potential from Sugarcane Molasses Vinasse." Foods 11, no. 19 (2022): 3131. http://dx.doi.org/10.3390/foods11193131.

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Sugarcane molasses vinasse is the residue of the fermentation of molasses and the water and soil environmental pollutants from distilleries. However, its recycling value has been neglected. The chemical analysis of the molasses vinasse led to the isolation of a new benzoyl chloride called 2,3,4-trihydroxy-5-methoxy benzoyl chloride, as well as thirteen known compounds, including six benzoic acids. The structure of the new benzoyl chloride was elucidated on the basis of extensive spectroscopic analysis. The antioxidant activity of all isolated compounds was measured using the ORAC assay. Moreov
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9

Tamboli, Majid I., Vir Bahadur, Rajesh G. Gonnade, and Mysore S. Shashidhar. "Correlation of the solid-state reactivities of racemic 2,4(6)-di-O-benzoyl-myo-inositol 1,3,5-orthoformate and its 4,4′-bipyridine cocrystal with their crystal structures." Acta Crystallographica Section C Structural Chemistry 70, no. 11 (2014): 1040–45. http://dx.doi.org/10.1107/s2053229614021834.

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Racemic 2,4(6)-di-O-benzoyl-myo-inositol 1,3,5-orthoformate, C21H18O8,(1), shows a very efficient intermolecular benzoyl-group migration reaction in its crystals. However, the presence of 4,4′-bipyridine molecules in its cocrystal, C21H18O8·C10H8N2,(1)·BP, inhibits the intermolecular benzoyl-group transfer reaction. In(1), molecules are assembled around the crystallographic twofold screw axis (baxis) to form a helical self-assembly through conventional O—H...O hydrogen-bonding interactions. This helical association places the reactive C6-O-benzoyl group (electrophile, El) and the C4-hydroxy gr
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10

Jin, Zong-ming, Weiqun Zhou, and Zheng Jin. "X-ray powder diffraction analysis of a nonlinear optical material 1-benzoyl-3-(4-benzyl)thiourea [N-benzoyl-N′-(4-benzyl)thiourea]." Powder Diffraction 13, no. 1 (1998): 41–43. http://dx.doi.org/10.1017/s088571560000974x.

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A nonlinear optical material, 1-benzoyl-3-(4-benzyl)thiourea (C15H14N2OS), has been characterized by X-ray powder diffraction. Experimental values of 2θ corrected for systematic errors, relative peak intensities, values of d, and the Miller indices of 82 observed reflections with 2θ up to 80° are reported. The powder diffraction data have been evaluated, and the figures-of-merit are reported. The least-squares refined unit cell parameters are a=22.0243(6)Å, b=10.9795(7)Å, c=13.0322(8)Å, β=116.88(2)°, V=2810.8(9)Å3, Z=8, Dx=1.278 g/cm3, space group Pn.
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11

Mizyuk, Volodymyr, Volodymyr Shibanov, Lesya Kobrin, Galyna Marshalok, and Georgiy Elagin. "Peculiarities of NMR 13C spectra of benzoic acid and saturated alkylbenzoates. I. Chemical shift of benzoyl fragment hydrocarbon atoms." Chemistry & Chemical Technology 2, no. 2 (2008): 77–83. http://dx.doi.org/10.23939/chcht02.02.077.

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It has been shown that chemical shift of 5 types of carbon nuclei of benzoyl fragment in saturated alkylbenzoates depends upon alkyl radical degree of branching near α-carbon atom of alkoxyl group. Typical values of chemical shifts of five nuclei for primary, secondary and tertiary alkylbenzoates have been admitted
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12

Dubey, Anuradha, and Hanmant Amane. "Comparative clinical study of efficacy and safety of adapalene 0.1% gel versus benzoyl peroxide 2.5% gel for the treatment of acne vulgaris." International Journal of Basic & Clinical Pharmacology 8, no. 10 (2019): 2317. http://dx.doi.org/10.18203/2319-2003.ijbcp20194279.

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Background: Acne vulgaris is characterised by comedones, papules, pustules and nodules occurring in a sebaceous distribution. Topical treatments, such as adapalene and benzoyl peroxide, are popular in mild to moderate acne vulgaris. This study was aimed to compare the efficacy and safety of adapalene with benzoyl peroxide in the patients of mild to moderate acne vulgaris.Methods: We planned a randomized, open-labelled, prospective study to compare the efficacy and side effects of adapalene and benzoyl peroxide in acne patients. A total of 100 patients with mild to moderate acne vulgaris were i
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13

Kaválek, Jaromír, Josef Jirman, Vladimír Macháček, and Vojeslav Štěrba. "The methanolysis kinetics and dissociation constants of 1-(subst. benzoyl)-3-phenylthioureas." Collection of Czechoslovak Chemical Communications 53, no. 3 (1988): 593–600. http://dx.doi.org/10.1135/cccc19880593.

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A series of seven 1-(subst. benzoyl)-3-phenylthioureas have been prepared and their dissociation constants and solvolysis rate constants have been measured in methanol at 25 °C. The reaction constants found show that the solvolysis rate is limited by the attack of methoxide ion on the benzoyl carbonyl group of the non-dissociated substrate. The polar effect of substituents in benzoyl group is extensively transferred also by the intramolecular hydrogen bond.
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14

Islam, KA, N. Akhtar, M. Shahidullah, L. Khondker, and MSI Khan. "Comparative side-effects of adapalene and benzoyl peroxide combination gel with Adapalene monotherapy and Benzoylperoxide monotherapy in the treatment of Acne vulgaris." Community Based Medical Journal 2, no. 2 (2013): 52–56. http://dx.doi.org/10.3329/cbmj.v2i2.16699.

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A controlled clinical trial was conducted in the department of Dermatology and Venereology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh to compare the side-effects of adapalene and benzoyl peroxide combination gel with adapalene monotherapy and benzoyl peroxide monotherapy in the treatment of acne vulgaris. The study conducted in sixty patients. Group A (case) 20 patients were treated with adapalene and benzoyl peroxide combination gel, group B (control) 20 patients were treated with topical adapalene and group C (control) 20 patients were treated with topical benzoy
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15

Kutschy, Peter, Milan Dzurilla, Ladislav Kniežo, et al. "Reactions of 3-butine-2-methyl-2-ol with isothiocyanates." Collection of Czechoslovak Chemical Communications 51, no. 5 (1986): 1119–26. http://dx.doi.org/10.1135/cccc19861119.

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3-Butine-2-methyl-2-ol reacts with isothiocyanates in the presence of sodium hydride in dimethylformamide to give various products depending on structure of the isothiocyanate residue. Isothiocyanates with the NCS group bound to sp2 carbon atom (phenyl, 4-bromophenyl, and styryl isothiocyanates) give the respective 1,3-oxazolidine derivatives. If the NCS group is bound to an sp3-hybridized carbon atom (ethyl and benzyl isothiocyanates), derivatives of 1,3-oxathiolane are formed. Acyl isothiocyanates (benzoyl and 3-phenylpropenoyl isothiocyanates) give products of substitution of the NCS group,
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16

Desai, T., J. Gigg та R. Gigg. "The Allyl Group for Protection in Carbohydrate Chemistry. XXXI. Conversion of Allyl 2,6-Di-O-benzyl-α-D-galactopyranoside Into Allyl 2,6-Di-O-benzyl-α-D-glucopyranoside and 2,6-Di-O-benzyl-D-glucopyranose". Australian Journal of Chemistry 49, № 3 (1996): 305. http://dx.doi.org/10.1071/ch9960305.

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Allyl 2,6-di-O-benzyl-α-D-galactopyranoside was converted by tin-mediated alkylation into the 3-O-p-methoxybenzyl ether which gave the 4-O-mesyl derivative. Sodium benzoate in refluxing N,N-dimethylformamide converted the last compound into allyl 4-O-benzoyl-2,6-di-O-benzyl-3-O-p-methoxybenzyl-α-D-glucopyranoside in high yield. This was saponified and the product was treated with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone to give the required allyl 2,6-di-O-benzyl-α-D-glucopyranoside whose structure was confirmed by conversion into the known 2,3,4,6-tetra-O-benzyl-D-glucopyranose. Removal of th
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17

Kaválek, Jaromír, Vladimír Macháček, Miloš Sedlák, and Vojeslav Štěrba. "Study of Cyclization of 1-Benzoyl-3-methyl-3-(2-methoxycarbonylphenyl)thiourea to 1-Methyl-2-thioxo-4-quinazolone." Collection of Czechoslovak Chemical Communications 58, no. 5 (1993): 1122–32. http://dx.doi.org/10.1135/cccc19931122.

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The reaction mechanism of the title reaction was proposed on the bases of the kinetic study. The reaction takes place in two stages considerably differing in rates. In the first, faster stage, the anion of initial substance cyclizes to 1-methyl-3-benzoyl-2-thioxo-4-quinazolone. The reaction is reversible, the concentration of 1-methyl-3-benzoyl-2-thioxo-4-quinazolone decreases with increasing concentration of methanolate. In the second stage, the benzoyl group rearrangement in the given substance from nitrogen to sulfur and subsequent methanolysis to 1-methyl-2-thioxo-4-quinazolone take place.
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18

Martens, Viktor, Helmar Görls, and Wolfgang Imhof. "Crystal structure of 2-oxo-1,2-diphenylethyl diisopropylcarbamate." Acta Crystallographica Section E Crystallographic Communications 77, no. 11 (2021): 1091–94. http://dx.doi.org/10.1107/s2056989021010367.

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The title compound, C21H25NO3, crystallized as a racemic twin in the Sohnke space group P21. In the molecular structure of the title compound, both enantiomers show a highly similar conformation with the urethane function and the benzoyl group showing an almost perpendicular arrangement [the dihedral angle is 72.46 (8)° in the S-enantiomer and 76.21 (8)° in the R-enantiomer]. In the crystal structure, molecules of both enantiomers show infinite helical arrangements parallel to the b axis formed by weak C—H...O hydrogen bonds between the phenyl ring of the benzoyl group and the carbamate carbon
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19

Ukoha, P. O., C. U. Alioke, N. L> Obasi, and K. F. Chah. "Synthesis, Spectroscopic Characterization and Preliminary Antimicrobial Studies of Mn(II) and Cu(II) Complexes of two Thiolates; S,S’-(2,6-Diaminopyridine-3,5-diyl) Dibenzenecarbothioate (DBCT) and S-Benzyl Benzenecarbothioate (BBCT)." E-Journal of Chemistry 8, no. 1 (2011): 231–39. http://dx.doi.org/10.1155/2011/214870.

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S,S’-(2,6-Diaminopyridine-3,5-diyl)dibenzenecarbothioate was formed by condensing 2,6-diamino-3,5-dithiopyridine and benzoyl chloride in the presence of pyridine. AlsoS-benzyl benzenecarbothioate was prepared by the condensation of benzoyl chloride and phenylmethanethiol in the presence of pyridine. The complexes of these compounds were prepared using copper(II) and manganese(II) chloride salts. The thiolates were characterized on the basis of their electronic, infrared and NMR spectra whereas the complexes were characterized via electronic and infrared studies. The IR spectral studies indicat
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20

Ramya, K. N., K. N. Harshavardhana, and C. Harshitha. "A Comparative Study of Efficacy of Topical Nadifloxacin 1% with Clindamycin 1% in the Treatment of Acne Vulgaris with Benzoyl Peroxide 2.5% Being Used as Add-On Therapy in Both the Groups." International Journal of Pharmaceutical and Clinical Research 15, no. 9 (2023): 1443–48. https://doi.org/10.5281/zenodo.11390135.

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<strong>Background:</strong>&nbsp;Acne vulgaris is a common dermatological inflammatory disorder of the pilosebaceous unit presenting usually at puberty. It is characterized by the formation of open and closed comedones (non-inflammatory lesions), papules, pustules, and nodulocystic lesions (inflammatory lesions) generally affecting the face, arms, and back.&nbsp;<strong>Objective:&nbsp;</strong>to compare the clinical efficacy and safety of eight weeks therapy of nadifloxacin 1% versus clindamycin 1% as add-on therapy to benzoyl peroxide (2.5%) in mild to moderate grade acne vulgaris.&nbsp;<s
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21

Jensen, R. T., R. B. Murphy, M. Trampota, et al. "Proglumide analogues: potent cholecystokinin receptor antagonists." American Journal of Physiology-Gastrointestinal and Liver Physiology 249, no. 2 (1985): G214—G220. http://dx.doi.org/10.1152/ajpgi.1985.249.2.g214.

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Proglumide [N-(benzoyl)-L-glutamic acid-1-di-n-propylamide] is a specific cholecystokinin receptor antagonist. In the present study we synthesized various analogues of proglumide and used pancreatic acini from guinea pig pancreas to examine the abilities of these analogues to function as cholecystokinin receptor antagonists. Each analogue inhibited cholecystokinin octapeptide-stimulated amylase secretion but did not stimulate amylase secretion when present alone. There was a close correlation between the ability of a particular analogue to inhibit the action of cholecystokinin on acinar cell f
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22

Danihel, Ivan, Ján Imrich, Dušan Košťík, Pavol Kristian, and Gabriela Barančíková. "13C NMR spectra and substituent effects of meta and para substituted benzoyl isothiocyanates." Collection of Czechoslovak Chemical Communications 50, no. 6 (1985): 1422–31. http://dx.doi.org/10.1135/cccc19851422.

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13C NMR spectra have been studied of 20 meta and para substituted benzoyl isothiocyanates and corresponding benzoyl chlorides. The 13C SCS values of the carbon atom in NCS group have been found to correlate linearly with the Hammet σm,p constants of the substituents as well as with the corresponding π electron charges. The 13C SCS (substituent chemical shift) values of the carbonyl carbon atom of the compounds investigated are little sensitive to substituent effects and are analyzed on the basis of the dual-substituent-parameter approach. Also discussed are the intercorrelation relations of th
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23

Marinova, Petja, Stoyanka Nikolova, Anna Dołęga, and Anife Ahmedova. "Crystal Structure of N-(2-Benzoyl-4,5-dimethoxyphenethyl)-2-phenylacetamide." Molbank 2022, no. 2 (2022): M1376. http://dx.doi.org/10.3390/m1376.

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The crystal structure of N-(2-benzoyl-4,5-dimethoxyphenethyl)-2-phenylacetamide indicates that the compound crystallizes in the monoclinic C2/c space group with eight molecules in the unit cell. The heteroatoms from the amide group form a chain of intermolecular N-H ··· O hydrogen bonds propagating along the b axis. The carbonyl group from the benzoyl substituent participates in short contacts with two H-atoms from the ethyl or phenyl groups.
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24

Lyu, Baohe, Honoka Sako, Mio Sugiura, Yoshikazu Hiraga, Ryukichi Takagi, and Satomi Niwayama. "1H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and Isoborneol." Molbank 2024, no. 4 (2024): M1899. http://dx.doi.org/10.3390/m1899.

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Complete assignments of the 1H NMR chemical shifts for monoterpenes, borneol, and isoborneol, and their derivatives in which the secondary hydroxy group is protected with an acetyl group or a benzoyl group, have been made in CDCl3 and C6D6. Upon the protection of the hydroxy group with the carbonyl functional groups, or acetyl or benzoyl groups, many protons constituting the bicyclic ring exhibited downfield and upfield shifts in the chemical shift values, aiding in the unambiguous assignments of protons and carbons.
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25

Borglund, E., B. Kristensen, B. Larsson-Stymne, A. Strand, N. K. Veien, and H. B. Jakobsen. "Topical meclocycline sulfosalicylate, benzoyl peroxide, and a combination of the two in the treatment of acne vulgaris." Acta Dermato-Venereologica 71, no. 2 (1991): 175–78. http://dx.doi.org/10.2340/0001555571175178.

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One hundred and six patients with acne vulgaris of the face were treated for 10 weeks with either topical meclocycline sulfosalicylate, topical benzoyl peroxide or both preparations. A randomized, double-blind parallel group study was used. Benzoyl peroxide proved more effective than meclocycline in reducing acne lesion counts, while local side effects were more common in the benzoyl peroxide-treated patients. The combined treatment was of intermediate efficacy with fewer local side effects.
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26

Roswanda, Robby, Ilham Ardatul Putra, Maria Mardiastuti, and Didin Mujahidin. "Catalyst Free Hydroxyl Protection of Quinine via Esterification." Key Engineering Materials 811 (July 2019): 3–7. http://dx.doi.org/10.4028/www.scientific.net/kem.811.3.

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A method to protect the hydroxyl group of quinine via esterification is developed. The method uses acetyl and benzoyl as the protection group. The method employs no catalyst that generates reasonable yield at 83% for acetyl and 73% for benzoyl. This catalyst free method emphasizes on the importance substrate reactivity to achieve free catalyst procedure. Ester form of quinine synthesized might be further functionalized for various aims in accordance to its rich functional group and building block of quinine.
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27

Bélanger, Patrice C., and Claude Dufresne. "Preparation of exo-6-benzyl-exo-2-(m-hydroxyphenyl)-1-dimethylaminomethylbicyclo[2.2.2.]octane. A non-peptide mimic of enkephalins." Canadian Journal of Chemistry 64, no. 8 (1986): 1514–20. http://dx.doi.org/10.1139/v86-248.

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A model for the active conformation of methionine enkephalin was derived from computer modeling. From this model, a target was designed and synthesized using bicyclo[2.2.2]octane as a structural template. Thus, a key intermediate, exo-6-benzoyl-1-carboethoxybicyclo[2.2.2]-2-octene was prepared via a Diels–Alder reaction using ethyl dihydrobenzoate and phenylvinylketone. It was subsequently modified to exo-6-benzyl-1-dimethylaminobicyclo[2.2.2]-2-octene. This intermediate was hydroborated and oxidized to the ketone on which the second aromatic group was introduced using a Grignard reaction, eve
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28

Danihel, Ivan, Pavol Kristian, Stanislav Böhm, and Josef Kuthan. "A study of structure of meta and para substituted phenyl and benzoyl isothiocyanates by the MNDO method." Collection of Czechoslovak Chemical Communications 52, no. 9 (1987): 2115–24. http://dx.doi.org/10.1135/cccc19872115.

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On the basis of the optimized MNDO calculations of a selected series of meta and para substituted phenyl and benzoyl isothiocyanates it has been found that the –NCS group is non-linear in both the cases (the deviation from linearity is about 9°). For the phenyl isothiocyanates the values of CNC angles are in the region of 146.1° - 149.0°, and for the benzoyl isothiocyanates the respective regions for the CNC and OCN angles are 146.4° - 152.1° and 117.1° - 118.5°. In the meta substituted benzoyl isothiocyanates the –CONCS group is perpendicular to the phenyl residue. The results are discussed f
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29

Park, Kyoung-Ho, Chan Joo Rhu, Jin Burm Kyong, and Dennis N. Kevill. "The Effect of the ortho Nitro Group in the Solvolysis of Benzyl and Benzoyl Halides." International Journal of Molecular Sciences 20, no. 16 (2019): 4026. http://dx.doi.org/10.3390/ijms20164026.

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A kinetic study was carried out on the solvolysis of o-nitrobenzyl bromide (o-isomer, 1) and p-nitrobenzyl bromide (p-isomer, 3), and o-nitrobenzoyl chloride (o-isomer, 2) in a wide range of solvents under various temperatures. In all of the solvents without aqueous fluoroalcohol, the reactions of 1 were solvolyzed at a similar rate to those observed for 3, and the reaction rates of 2 were about ten times slower than those of the previously studied p-nitrobenzoyl chloride (p-isomer, 4). For solvolysis in aqueous fluoroalcohol, the reactivity of 2 was kinetically more reactive than 4. The l/m v
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30

Arias-Ruiz, Saira N., Nancy Romero, Carlos E. Lobato-García, Abraham Gómez-Rivera, and Angel Mendoza. "Second monoclinic form of (E)-3-(4-fluorophenyl)-1-phenylprop-2-en-1-one." Acta Crystallographica Section E Structure Reports Online 69, no. 11 (2013): o1694—o1695. http://dx.doi.org/10.1107/s1600536813028079.

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The unit-cell dimensions and space group of the second monoclinic polymorph of the title compound, C15H11FO, differ from those of the previously reported form [Jing (2009).Acta Cryst.E65, o2515]. The title compound shows anEconformation of the C=C bond with the 4-fluorophenyl group opposite to the benzoyl group. The torsion angle of between the planes of the 4-fluorophenyl and benzoyl groups is 10.53 (6)°. In the crystal, weak C—H...O and C—H...F interactions form a cross-linked packing motif, building sheets parallel to (-102).
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31

Subbulakshmi, Karanth N., Badiadka Narayana, Hemmige S. Yathirajan, Jerry P. Jasinski, Ravindranath S. Rathore, and Christopher Glidewell. "Crystal structure of 2-benzoylamino-N′-(4-hydroxybenzylidene)-3-(thiophen-2-yl)prop-2-enohydrazide." Acta Crystallographica Section E Crystallographic Communications 72, no. 8 (2016): 1099–102. http://dx.doi.org/10.1107/s2056989016010975.

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In the title compound, C21H17N3O3S, the non-H atoms, apart from those in the benzoyl group, are almost coplanar (r.m.s. deviation = 0.049 Å) and the benzoyl group is almost orthogonal to the plane of the rest of the molecule [dihedral angle = 80.34 (6)°]. In the crystal, a combination of N—H...O and asymmetric bifurcated O—H...(N,O) hydrogen bonds link the molecules into a three-dimensional network. Weak C—H...O interactions are also observed.
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32

Kumar, Sanjay, and Tamilisetti Vidya Sagar. "Safety and efficacy of nadifloxacin versus clindamycin observed in a tertiary care teaching hospital of Deccan Plateau." Indian Journal of Pharmacy and Pharmacology 10, no. 1 (2023): 24–27. http://dx.doi.org/10.18231/j.ijpp.2023.007.

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Acne vulgaris is characterised by excess sebum production and inflammatory reaction in sebaceous glands. As propionibacterium is involved in aggravation of acne, antimicrobials like nadifloxacin and clindamycin were found to be effective in treatment.Comparison of nadifloxacin with clindamycin in terms of inflammatory and non-inflammatory lesion count and global improvement rating, when given in combination with benzoyl peroxide in patients in acne vulgarisNadifloxacin 1%, benzoyl peroxide 2.5% and clindamycin 1% were used as topical treatment option. Study cohort was randomly divided into two
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33

Boutoute, Patrick, and Guy Mousset. "Réduction électrochimique régiosélective d'aroyl-2- ou d'acetyl-2 chromones en milieu non aqueux." Canadian Journal of Chemistry 70, no. 8 (1992): 2266–75. http://dx.doi.org/10.1139/v92-285.

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The electrochemical behaviour of chromones substituted in position 2 by benzoyl or acetyl groups was studied by cyclic voltammetry in a nonaqueous solvent. Self-protonation reactions were observed with compounds possessing a phenol function on the benzoyl group. Macroelectrolyses achieved in the presence of a proton donor afford a regioselective reduction of the carbonyl function in position 2 of the benzoyl-2 chromone and of the double bond for the acetyl-2 chromone. Moreover the further reduction leads to the formation of thermally unstable dimers, which may give homolytic cleavage to free r
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34

Chaudhary, Ashok G., Mahendra D. Chordia, and David G. I. Kingston. "A Novel Benzoyl Group Migration: Synthesis and Biological Evaluation of 1-Benzoyl-2-des(benzoyloxy)paclitaxel." Journal of Organic Chemistry 60, no. 10 (1995): 3260–62. http://dx.doi.org/10.1021/jo00115a050.

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35

Kaválek, Jaromír, Josef Jirman, and Vojeslav Štěrba. "Kinetics and mechanism of rearrangement and methanolysis of acylphenylthioureas." Collection of Czechoslovak Chemical Communications 50, no. 3 (1985): 766–78. http://dx.doi.org/10.1135/cccc19850766.

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S-Acyl-1-phenylthioureas and their 3-methyl derivatives are rearranged to 1-acyl derivatives of thiourea in methanolic solution. The rearrangement of the 1-acyl-1-phenyl derivative to the thermodynamically more stable 3-acyl derivative is subject to specific base catalysis. The rearrangement of acetyl group is about 2 orders of magnitude slower than that of benzoyl group. 1-Acetyl-l-phenylthiourea undergoes base-catalyzed methanolysis (giving phenylthiourea and methyl acetate) instead of the rearrangement. The methanolysis rates of l-acyl-3-phenylthioureas and their N-methyl derivatives have b
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36

Pekdemir, Merve, Şamil Işık, Sümeyye Gümüş, Erbil Ağar, and Mustafa Serkan Soylu. "(Z)-2-[(E)-2-(1-Benzothiophen-3-ylmethylidene)hydrazin-1-ylidene]-1,2-diphenylethanone." Acta Crystallographica Section E Structure Reports Online 68, no. 8 (2012): o2579—o2580. http://dx.doi.org/10.1107/s1600536812030978.

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The title compound, C23H16N2OS, is not planar, the phenyl ring of the benzoyl group making a dihedral of 77.61 (7)° with the benzothiophene system ring. The benzothiophene system and the remaining phenyl ring make an angle of 12.71 (13)°. The conformation around the imine functions isEfor the C=N bond towards the benzothiophene system andZfor the C=N bond towards the benzoyl group. The packing of the molecules shows C—H...π interactions. A weak intramolecular C—H...N bond also occurs.
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37

Ahmed, Sarfaraz, Niyaz A. Mir, Tariq A. Shah, Waseem Raza, M. Muneer, and Nigam P. Rath. "(E) and (Z)-1,4-Diphenyl-2-(2-phenyl-1H-benzo[d]imidazol-1-yl)but-2-ene-1,4-dione." Journal of Crystallography 2014 (May 27, 2014): 1–6. http://dx.doi.org/10.1155/2014/207646.

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The title compound C29H20N2O2 adopts E and Z geometry about olefinic C14–C22 bond, where the benzoyl group at C22 and benzimidazole group at C14 lie on the opposite sides and on the same side across the olefinic bond, respectively. In E configuration the phenyl groups of both benzoyl moieties are almost perpendicular to benzimidazole ring while the phenyl of benzimidazole at C7 is oriented at an angle of 30.76 (5)° to the mean plane of the benzimidazole ring. On the other hand in Z configuration the phenyl group at C7 of benzimidazole ring is oriented at an angle of 38.44 (7)° to the mean plan
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38

Juwanti, Aulia, Bambang Tri Purwanto, and Hadi Poerwono. "UJI IN SILICO AKTIVITAS ANALGESIK DAN TOKSISITAS SENYAWA TURUNAN N-BENZOIL-N’-4-METOKSIFENILTIOUREA SEBAGAI CALON OBAT ANALGESIK." Jurnal Wiyata: Penelitian Sains dan Kesehatan 11, no. 2 (2024): 165. https://doi.org/10.56710/wiyata.v11i2.863.

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Abstrak Latar belakang : Senyawa N-(Benzoil)-N’-4-metoksifeniltiourea mempunyai gugus farmakofor yang sama dengan asam mefenamat yang mempunyai aktivitas sebagai analgesik, sehingga layak dijadikan senyawa induk untuk dikembangkan lebih lanjut melalui modifikasi struktur. Tujuan : Penelitian ini bertujuan untuk memprediksi aktivitas analgesik dan toksisitas dari duapuluh senyawa turunan N-(Benzoil)-N’-4-metoksifeniltiourea sebagai calon obat analgesik. Salah satu mekanisme kerja turunan N-(Benzoil)-N’-4-metoksifeniltiourea sebagai analgesik adalah menghambat COX2, yang berperan penting dalam m
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39

S. N., Ashok Kumar, Madan Mohan N. T., Shwetha H., Shanmukananda P., Veena D. R., and Upasana Dube. "A prospective randomised open labelled comparative study of anti inflammatory effects of topical 5% benzoyl peroxide gel vs topical 4% nicotinamide gel for grade I-II acne in a tertiary care hospital." International Journal of Basic & Clinical Pharmacology 7, no. 5 (2018): 952. http://dx.doi.org/10.18203/2319-2003.ijbcp20181641.

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Background: Acne vulgaris is a dermatological disorder characterised by formation of comedones and inflammatory lesions. The treatment of acne basically involves reduction of lesions. Benzoyl peroxide, in concentrations of 5%, 10%, and 20%, has been used effectively in the treatment of acne for more than 20 years. Nicotinamide/ Niacinamide is a newly-approved anti-acne drug with a potent anti-inflammatory effect. The present study assessed the efficacy of 5% Benzoyl peroxide gel in comparison to 4% Nicotinamide gel for topical treatment of mild to moderate acne vulgaris.Methods: In this study,
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40

Gupta, Aditya K., Charles W. Lynde, Rod A. W. Kunynetz, Smita Amin, Ken Lee Choi, and Eric Goldstein. "A Randomized, Double-Blind, Multicenter, Parallel Group Study to Compare Relative Efficacies of the Topical Gels 3% Erythromycin/5% Benzoyl Peroxide and 0.025% Tretinoin/Erythromycin 4% in the Treatment of Moderate Acne Vulgaris of the Face." Journal of Cutaneous Medicine and Surgery 7, no. 1 (2003): 31–37. http://dx.doi.org/10.1177/120347540300700106.

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Background: Combination treatments for acne vulgaris, such as Benzamycin® (3% erythromycin/5% benzoyl peroxide) and Stievamycin® (0.025% tretinoin/erythromycin 4%), reduce bacterial growth, which contributes to the inflammatory lesions typical of adolescent acne, and also decrease the epidermal cell compaction which may form the characteristic noninflammatory comedone. Both agents contain erythromycin to reduce the growth of Propionibacterium acnes in skin. Benzoyl peroxide has antibiotic activity as well as anticomedogenic properties. Tretinoin may increase the turnover of epidermal cells and
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41

Uhlemann, Erhard, Alwin Friedrich, Gerald Hinsche, Wulfhard Mickler та Uwe Schilde. "Komplexbildung und Metallextraktion mit heterocyclischen β-Dicarbonylverbindungen im Vergleich. Struktur von 3-Phenyl-4-benzoyl-isoxazol-5-on / Complex Formation and Metal Extraction with Heterocyclic β-Dicarbonyl Compounds as Comparison. Structure of 3-Phenyl-4-benzoyl-5-isoxazolone". Zeitschrift für Naturforschung B 50, № 1 (1995): 37–42. http://dx.doi.org/10.1515/znb-1995-0107.

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Acid constants and stability constants of nickel and zinc chelates with 2-thenoyltrifluoroacetone, dibenzoylmethane, 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone and 3-phenyl-4-benzoyl-5-isoxazolone were compared. The extraction of copper was studied. Thermoanalytic measurements were made using the ligands and their copper compounds in the solid state. The molecular structure of 3-phenyl-4-benzoyl-5-isoxazolone was determined by X-ray analysis. Crystal data: a = 874,7(2), b = 1959,2(7), c = 897,38(7) pm; β = 101,030(7)°; space group P 121/c 1; Z = 4; R = 0,043; 1920 observed, unique reflexions.
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42

Waheed, Saima, Fakiha Nazakat, Nasir Abbas, et al. "Synthesis of 2-(4-Methyl-Phenoxymethyl) Benzoic Acid; Cresol and its Metal Coordinate Complexes." FRONTIERS IN CHEMICAL SCIENCES 5, no. 2 (2024): 35–43. https://doi.org/10.52700/fcs.v5i2.98.

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A series of phenoxymethylbenzoic acid derivatives were synthesized by reacting p-cresol with phthalide. The resulting phenoxymethyl benzoic acid was converted into corresponding acid chloride by reacting with cyanuric chloride. These phenoxymethyl benzoyl chlorides were then reacted with various aminobenzenesulfonamides and synthesize d new sulfonamide derivatives. The targeted sulfonamides were subjected to structural characterization by contemporary spectroscopic techniques like UV-visible and FT-IR. The presence of a peak at 3400/cm confirmed the existence of amide functionality, and furthe
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43

Wang, J. P., J. T. Dai, J. Chen, J. Yin, D. M. Chen, and W. H. Tao. "Adsorption Characteristics of Benzoic Acid from Aquatic System by Hypercrosslinked Resin Modified with Benzoyl Group." Asian Journal of Chemistry 27, no. 1 (2015): 67–70. http://dx.doi.org/10.14233/ajchem.2015.16692.

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44

Kraudelt, Heide, Gerald Hinsche, Uwe Schilde, and Erhard Uhlemann. "Struktur von Bis(3-phenyl-4-benzoyl-isoxazol-5-onato)kupfer(II)/Structure of Bis(3-phenyl-4-benzoyl-isoxazol-5-onato)copper(II)." Zeitschrift für Naturforschung B 50, no. 11 (1995): 1597–600. http://dx.doi.org/10.1515/znb-1995-1105.

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The crystal structure of bis(3-phenyl-4-benzoyl-isoxazol-5-onato)copper(II) was determined for com parison with the copper complexes of 1-ghenyl-3-methyl-4-benzoyl-pyrazol-5-one and some β-diketones. Crystal data: a = 13,320(6) Å; b = 8,421(7) Å; c = 11,516(4) Å; β = 92,34(4)°; space group P21/c ; Z = 2; R = 0,041; 2088 unique reflexions.
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45

Ziegler, Thomas, and Guido Pantkowski. "The 2-(Chloroacetoxymethyl)benzoyl (CAMB) Group as a Novel Protecting Group for Carbohydrates." Liebigs Annalen der Chemie 1994, no. 7 (1994): 659–64. http://dx.doi.org/10.1002/jlac.199419940704.

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46

Jeon, Dong Ju, Dong Wook Yu, Kyeong Yeol Yun, and Eung K. Ryu. "Synthesis of New 4-Benzoyl-5-hydroxy-3-Trifluoromethylpyrazole Derivativesvia[1,3] Rearrangements of Benzoyl Group Usingtert- Butyllithium." Synthetic Communications 28, no. 12 (1998): 2159–66. http://dx.doi.org/10.1080/00397919808007030.

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47

Arindam, Sen, and K. Ram A. "Comparative Study on the Effectiveness and Tolerability of Topical Clindamycin versus Benzoyl Peroxide Gel in Mild to Moderate Acne Management." International Journal of Medical and Pharmaceutical Research 5, no. 1 (2024): 42–47. https://doi.org/10.5281/zenodo.10548103.

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<strong>Background</strong>: Acne vulgaris is a prevalent skin condition requiring effective treatment strategies. This study compares the efficacy and tolerability of topical Clindamycin alone versus a combination with Benzoyl Peroxide in treating mild to moderate acne. <strong>Methods</strong>: A randomized study involving 200 participants compared Clindamycin alone (n=100) and Clindamycin combined with Benzoyl Peroxide (n=100). The primary outcome measures were total lesion count and Investigator Global Assessment (IGA) scores over 8 weeks. Adverse events and patient compliance were also ev
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48

Liu, Wenqiu, Xuejun Liu, David Knaebel, Linda Luck, and Yuzhou Li. "Synthesis and Antibacterial Evaluation of Novel Water-Soluble Organic Peroxides." Antimicrobial Agents and Chemotherapy 42, no. 4 (1998): 911–15. http://dx.doi.org/10.1128/aac.42.4.911.

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ABSTRACT A set of new water-soluble organic peroxides has been synthesized and evaluated for in vitro antibacterial activity as part of an effort to develop new antibacterial agents for the treatment of acne vulgaris. The water solubility of these new dialkyl peroxides and peroxyesters was achieved by incorporating either a quaternary ammonium group or a polyethylene glycol moiety. These peroxides are effective against both gram-positive and gram-negative bacteria and have a prolonged activity compared to that of benzoyl peroxide and other peroxide-type antiseptic agents. Among them 4-[[(tert-
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Begum, Wazeda, Md Mostafizur Rahman, Md Maruf Ur Rahman, and Md Saiful Kabir. "Comparison of safety of clindamycin (1%) - benzoyl peroxide (5%) combination gel with adapalene (0.1%) - benzoyl peroxide (2.5%) combination gel in treatment of mild to moderate facial acne vulgaris: A randomized prospective study." Journal of Dhaka National Medical College & Hospital 25, no. 1 (2019): 35–39. https://doi.org/10.3329/jdnmch.v25i1.79951.

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Background: Pathogenesis of acne vulgaris is complex and and multifactorial. Topical combination therapy can target multiple pathogenic mechanisms and therefore is currently recommended as the standard treatment of mild-to-moderate acne vulgaris. Various clinical studies have assessed the efficacy and safety of combination therapy for acne &amp; demonstrated significantly greater and faster results with the combination therapy. Objective: The aim of this study was to compare the safety of clindamycin (1%) - benzoyl peroxide (5%) combination gel with adapalene (0.1%) - benzoyl peroxide (2.5%) c
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Wang, Qing Wei, Ting Feng Lu, Jia Guo, and Xiu Mei Li. "Synthesis and Crystal Structure of a Fe(II,III) Complex with 2-(4΄-Chlorine-benzoyl)-benzoic acid and 3-(2-Pyridyl)pyrazole." Advanced Materials Research 634-638 (January 2013): 2592–95. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.2592.

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A new metal-organic complex FeII2FeIII2(cbba)4(L)6 (Hcbba = 2-(4΄-chlorine-benzoyl) benzoic acid, L = 3-(2-pyridyl)pyrazole) 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses, TG and IR spectroscopy. The compound crystallizes in monoclinic, space group Cc with a = 17.729(5), b = 15.919(5), c = 33.650(5) Å, β = 92.058(5)°, V = 9491(4) Å3, C104H68Cl4Fe4N18O12, Mr = 2126.96, Dc = 1.489 g/cm3, μ(MoKα) = 0.786 mm1, F(000) = 4344, Z = 4, the final R = 0.0559 and wR = 0.1122 for 12093 observed reflections (I &gt; 2(I)).
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