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Journal articles on the topic 'Chloro benzaldehyde'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Neamah, Rawaa, та Shaimaa Adnan. "Study the Biological Activity for Shiff Base and Β – Lactam Compounds that Synthesis and Identification from Pyrimidine Derivatives". International Journal of Pharmaceutical Quality Assurance 11, № 01 (2013): 37–39. http://dx.doi.org/10.25258/ijpqa.11.1.12.

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In This study We are synthesis and characterization of some Schiff base and β- lactam derivatives) by three steps. The First react 2-amino-4-Chloro-6-methyl pyrimidine with 4-amino acetophenone in an acid medium to get shiff base derivative(E)-4-(1-((4-Chloro-6-methyl pyridine-2-yl)imino)ethyl)aniline (1), the second step (1) react with (3,4- dimethoxybenzal dehyde,4-methyl benzaldehyde,4-dimethylamino benzaldehyde,4-bromo benzaldehyde,4–hydroxy benzaldehyde, 4-Nitro benzaldehyde) to get Schiff base derivatives (2-7), the last step (2-7) derivatives react with Chloro acetyl chloride to get –β-

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2

Li, Yong-Fei, Can-Cheng Guo, Xu-Hui Yan, and Qiang Liu. "Aerobic oxidative cleavage of C=C double bond of styrene catalyzed by simple manganese porphyrin." Journal of Porphyrins and Phthalocyanines 10, no. 07 (2006): 942–47. http://dx.doi.org/10.1142/s1088424606000260.

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The aerobic oxidative cleavage of styrene C=C double bonds catalyzed by simple manganese porphyrin is reported. Under the catalysis of chloro(tetraphenylporphinato)manganese, the oxidative cleavage of the carbon-carbon double bond of the styrene with air yields benzaldehyde. Our results show that the oxidative cleavage and the epoxidation of the styrene double bond are the competition reactions in the styrene-manganese porphyrin-air system. The reaction temperature decided the product distribution. Under the conditions of 0.4 MPa air and 30 ppm of chloro(tetraphenylporphinato)manganese, the st

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3

Ramesh, Baboo. "Ru (III) Catalysed Oxidative Degradation of Sodium Bisulphite Derivatives of Aromatic Aldehydes by Potassium Hexacyano Ferrate (III) in Aqueous Alkaline Medium." International Journal of Current Research and Review 14, no. 19 (2022): 17–20. http://dx.doi.org/10.31782/ijcrr.2022.141903.

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Introduction: The catalysed oxidation of the derivatives of aromatic aldehydes with inorganic moieties is still unstudied with an economically cheaper oxidant like potassium hexacyanoferrate (III). The catalyst like ruthenium (III) chloride is very much effective at very low concentrations for oxidation reactions. Aims: The study is carried out to observe and to get the results about the oxidative degradation of derivatives of organic and inorganic moieties. Methodology: Benzaldehyde sodium bisulphite (BSS) and substituted aromatic aldehyde sodium bi sulphite like p-chloro benzaldeyde sodium b

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4

Jayashree, B. S., Gurushyam Sri, and A. Pai. "SYNTHESIS, CHARACTERISATION, ANTIOXIDANT AND ANTICANCER EVALUATION OF NOVEL FLAVONE-4-OXIMES." INDIAN DRUGS 54, no. 11 (2017): 7–14. http://dx.doi.org/10.53879/id.54.11.11170.

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A series of novel flavone-4-oximes were synthesized by the oximation of substituted flavones. The synthesized compounds were characterized by various spectrochemical methods including IR, MS and NMR spectroscopy. Out of the 14 test compounds screened for their antioxidant activity, compounds such as JGS-VI (a N,N dimethyl benzaldehyde derivative) and JGS-VII (a 3,4 dimethoxy benzaldehyde derivative) exhibited antioxidant activity comparable to that of ascorbic acid and quercetin as standards following DPPH method. Compounds such as JGS-II (a p-fluoro benzaldehyde derivative), JGS-IV (a p-methy

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5

Hania, Majed M. "Synthesis and Antibacterial Activity of Some Transition Metal Complexes of Oxime, Semicarbazone and Phenylhydrazone." E-Journal of Chemistry 6, s1 (2009): S508—S514. http://dx.doi.org/10.1155/2009/204714.

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Co, Ni and Cu complexes have been prepared by reacting metal chloride with 4-chlorobenzaldehyde oxime, 4-methylbenzaldehyde oxime, 4-nitrobenzaldehyde oxime, 4-chlorobenzaldehyde semicarbazone, 4-methyl- benzaldehyde semicarbazone, 4-nitrobenzaldehyde semicarbazone, 4-chloro benzaldehyde phenylhydrazone, 4-methylbenzaldehyde phenyl hydrazone and 4-nitrobenzaldehyde phenylhydrazone and their antibacterial activity have been studied and compared with their ligands againstE. coliwhich gave significant results of activity.

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6

Mulya, Putri Widya, Jumina, Dwi Siswanta, and Budiana I. M. Gusti Ngurah. "Synthesis of C-2-Ethoxycarbonylmethoxyphenyl Calix[4]Resorcinarene Using Salicylaldehyde as Basic Material and its Application as Adsorbent of Pb(II) Metal Cation." Advanced Materials Research 1043 (October 2014): 129–32. http://dx.doi.org/10.4028/www.scientific.net/amr.1043.129.

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Synthesis of C-2-ethoxycarbonylmethoxyphenyl calix [4] resorcinarene and its application for adsorption of Pb (II) metal cation have been carried out. C-2-ethoxycarbonylmethoxyphenyl calix [4] resorsinarene was produced in three steps i.e (1) esterification of 2-chloro acetic acid, (2) reaction ethyl 2-chloro acetate with salicylaldehide in to yield 2-ethoxycarbonylmethoxy benzaldehyde, and (3) reaction 2-ethoxycarbonylmethoxy benzaldehyde with resorcinol in acidic condition to yield C-2-ethoxycarbonylmethoxyphenyl calix [4] resorcinarene. The prepared compounds were characterized by FTIR, 1H-

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7

Abd alazez, Enas k., Ayad M. R. Raauf, and Karima F. Ali. "Synthesis, Characterization and Antibacterial Activity of New Derivatives of Imidazolidine having Sulfamethoxazole Moiety." Al Mustansiriyah Journal of Pharmaceutical Sciences 19, no. 4 (2019): 217–38. http://dx.doi.org/10.32947/ajps.v19i4.655.

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This work includes Synthesis of new series of sulfa drugs derived from sulfamethoxazole containing substituted Imidazolidine moiety. These compounds expected to have antibacterial activity, due to their Imidazolidine moiety This work includes synthesis of some new Schiff bases (II1-5) by condensation of sulfamethoxazole drug(I) with some aldehydes (1-5) (benzaldehyde, p-chloro benzaldehyde, p-nitro benzaldehyde, p-hyroxy benzaldehyde and p-N, N-dimethyl amino benzaldehyde). These Schiff bases were found to react with glycine, to prepared new imidazolidine derivatives (III1-5). The prepar

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8

Cambie, RC, JM Coddington, JBJ Milbank, et al. "Stereoselective Titanium-Mediated Aldol Reactions of Menthyl Acetate Enolates, and Allylations With Benzaldehyde." Australian Journal of Chemistry 46, no. 5 (1993): 583. http://dx.doi.org/10.1071/ch9930583.

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The enolates of (+)- and (-)- menthyl acetate, formed by transmetallation from lithium with chloro ( cyclopentadienyl )bis(1,2:5,6-di-O-isopropylidene-α-D-glucofuranosato-O3)titanium [ CpTi (DAGO)2Cl] (1), react with benzaldehyde from the Re-face with high stereoselectivities (95 and 92% diastereomeric excess) when 12-crown-4 is used during the transmetallation . Use of the chiral cyclopentadienyltitanium-α,α,αα,αα-tetraaryl-2,2-dimethyl-1,3-dioxolan-4,5-dimethanol (TADDOL) complex (3) gives lower diastereoselectivities (58 and 40%) but the Si -face of benzaldehyde is attacked preferentially.

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9

R., Behal, Sharma S., Bansal T., Gaba J., and Kaur S. "Synthesis of a series of new Schiff bases having heterocyclic moiety and their microbial activity." Journal of Indian Chemical Society Vol. 96, Mar 2019 (2019): 349–54. https://doi.org/10.5281/zenodo.5650942.

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Department of Chemistry, Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana-141 004, Punjab, India <em>E-mail</em>: radhikabehal19@yahoo.com, sunita_sharma@pau.edu, taniabansal2@yahoo.com, jyotgcw@gmail.com, kaur.sandeep18@gmail.com <em>Manuscript received online 05 September 2018, revised 20 February 2019, accepted 26 February 2019</em> Heterocyclic compounds were synthesized using water based method. These were synthesized by reacting different aldehydes namely benzaldehyde, 2-chloro benzaldehyde, 4-chloro benzaldehyde, 2-nitro benzaldehyde and 3-nitro benzal

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10

Amal S. Sadiq. "Synthesis of N-Substituted 3-Chloro- 2-azetidinones for 2, 4-diamino-6- hydroxy pyrimidin." Journal of the College of Basic Education 21, no. 88 (2023): 13–24. http://dx.doi.org/10.35950/cbej.v21i88.9949.

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This search involved synthesis of several new N-Substituted -3-chloro- 2-azetidinones which were known as a high medicinal effectiveness for 2, 4-Diamino-6-hydroxy pyrimidin in two steps. The first step included preparation Shiff bases (1-6) by condensation of 2, 4-Diamino-6-hydroxy pyrimidin with many substituted aldehydes(4-hydroxy benzaldehyde, 2- bromobenzaldehyde, 4-dimethyl amino benzaldehyde, = 4-nitro benzaldehyde, salicylaldehyde, 4-chlorobenzaldehyde), then the second step included, preparation new six azetidinones compounds (7-12) by r

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11

Çelik, Fatih. "Synthesis, characterization and antioxidant activity of sulfonyl-1H-1,2,3-triazoles." Turkish Journal of Analytical Chemistry 7, no. 2 (2025): 176–81. https://doi.org/10.51435/turkjac.1665889.

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3-methoxy-4-((1-tosyl-1H-1,2,3-triazol-4-yl)methoxy)benzaldehyde (3), 4-((1-(ethylsulfonyl)-1H-1,2,3-triazol-4-yl) methoxy) benzaldehyde (6), 4-((1-((4-chloro phenyl) sulfonyl)-1H-1,2,3-triazol-4-yl) methoxy) benzaldehyde (9), 4-((4-((1-(ethylsulfonyl)-1H-1,2,3-triazol-4-yl) methoxy) benzylidene) amino)phenol (7), 4-((4-((1-((4-chlorophenyl) sulfonyl)-1H-1,2,3-triazol-4-yl) methoxy) benzylidene) amino) phenol (10), 4-((4-((1-tosyl-1H-1,2,3-triazol-4-yl) methoxy) benzylidene)amino) phenol (12) were synthesized. The compounds were characterized by FTIR, 1H-NMR and 13C-NMR spectroscopic methods.

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12

Yadav, B. S., S. K. Tyagi, and M. K. Yadav. "VIBRATIONAL SPECTRAL STUDIES OF 2-CHLORO-6-FLUORO BENZALDEHYDE." Material Science Research India 3, no. 2 (2006): 203–8. http://dx.doi.org/10.13005/msri/030219.

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13

Takaki, Reina, and Bradley O. Ashburn. "(E)-3-[4-(1H-Imidazol-1-yl)phenyl]-1-(3-chloro-4-fluorophenyl)prop-2-en-1-one." Molbank 2022, no. 2 (2022): M1375. http://dx.doi.org/10.3390/m1375.

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Imidazole-containing chalcones have been shown to be effective against Aspergillus fumigatus, the pathogenic agent for pulmonary aspergillosis. Claisen-Schmidt condensation of 4-(1H-imidazol-1-yl)benzaldehyde with 3′-chloro-4′-fluoroacetophenone using aqueous sodium hydroxide in methanol yielded the novel compound (E)-3-[4-(1H-imidazol-1-yl)phenyl]-1-(3-chloro-4-fluorophenyl)prop-2-en-1-one in good purity after purification by silica gel column chromatography. This novel compound is suitable for testing the antifungal properties of the combined pharmacophores against Aspergillus and other path

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14

Journal, Baghdad Science. "Synthesis of some Schiff's bases derivatives from aminoazo compounds." Baghdad Science Journal 4, no. 3 (2007): 416–19. http://dx.doi.org/10.21123/bsj.4.3.416-419.

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Reaction of,2- [( 4- amio phenyl ) diazenyl] 1,3,4- thiadiazole -5- thiol (S1) with p- chlorobenzeldehyde,3,4 – dimethoxy benzaldehyde and pyrrol-2- carbonxaldehyde gave -5- [{4-(4-chlorobenzylidene amino) phenyl} diezenyl]-1,3,4- thiadiazole-2- thiol (S2),5-[{ 4-[(3,4- dimethoxybenzyldene )amino phenyl ] diazenyl)-1,3,4- thiadiazole-2-thiol,(S3) and -5- [4-(1,H – pyrrol -2- yl- methylene)amino phenyl] diazenyl)-1,3,4- thiadiazole-2- thiol (S4) respectively as schiff's bases compounds. On the same route-2-[(4-amino-1- naphthyl ) diazenyl] -1,3,4- thiadiazole -5- thiol (S5) reacts with –p- chlo

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15

Vu Minh, Cuong, Anh Nguyen Thai, Nam Phan Thanh Son, and Tung Nguyen Thanh. "Copper ferrite catalyst for direct arylation of acidic C-H bonds in azoles with aryl aldehydes." Vietnam Journal of Catalysis and Adsorption 10, no. 4 (2021): 68–72. http://dx.doi.org/10.51316/jca.2021.070.

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Coupling reagents toward direct arylation of C2-H bonds in aryl azoles are often limited to aryl halides. Herein we report a functionalization of the acidic sp2 C-H bonds in benzothiazoles with benzaldehyde derivatives. Reactions proceeded in the presence of commercially ready CuFe2O4 catalyst. Scope of functional groups included chloro, nitro, cyano, and ester groups.

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16

More, Paresh S., and Santosh G. Singh. "Synthesis and Characterization of Ester Derivatives of Stilbene Derived from Acid Derivative (of P-Chloro Phenyl Acetic Acid, Substitute Benzaldehyde, Triethyl Amine) with Methanol and Sulphuric Acid." International Letters of Chemistry, Physics and Astronomy 47 (February 2015): 49–55. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.47.49.

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Two stilbene derivatives have been synthesized in two step process. First step involved synthesis of acid derivative from p-chloro phenyl acetic acid, substituted benzaldehyde and triethyl amine, where as the second step involved synthesis of substituted stilbene derivatives (enoate or esters) through very simple route. These derivatives were characterized by various spectral techniques and were screened for their antimicrobial activities.

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17

More, Paresh S., and Santosh G. Singh. "Synthesis and Characterization of Ester Derivatives of Stilbene Derived from Acid Derivative (of P-Chloro Phenyl Acetic Acid, Substitute Benzaldehyde, Triethyl Amine) with Methanol and Sulphuric Acid." International Letters of Chemistry, Physics and Astronomy 47 (February 24, 2015): 49–55. http://dx.doi.org/10.56431/p-7bsx45.

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Two stilbene derivatives have been synthesized in two step process. First step involved synthesis of acid derivative from p-chloro phenyl acetic acid, substituted benzaldehyde and triethyl amine, where as the second step involved synthesis of substituted stilbene derivatives (enoate or esters) through very simple route. These derivatives were characterized by various spectral techniques and were screened for their antimicrobial activities.

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18

Burlov, Anatolii S., Valery G. Vlasenko, Maxim S. Milutka, et al. "Synthesis, Structure, Spectral-Luminescent Properties, and Biological Activity of Chlorine-Substituted N-[2-(Phenyliminomethyl)phenyl]-4-methylbenzenesulfamide and Their Zinc(II) Complexes." International Journal of Molecular Sciences 23, no. 23 (2022): 15259. http://dx.doi.org/10.3390/ijms232315259.

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New azomethine compounds of 2-(N-tosylamino)benzaldehyde or 5-chloro-2-(N-tosylamino)benzaldehyde and the corresponding chlorine-substituted anilines, zinc(II) complexes based on them have been synthesized. The structures of azomethines and their complexes were determined by elemental analysis, IR, 1H NMR, X-ray spectroscopy, and X-ray diffraction. It is found that all ZnL2 complexes have a tetrahedral structure according to XAFS and X-ray diffraction data. The photoluminescent properties of azomethines and zinc complexes in methylene chloride solution and in solid form have been studied. It i

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19

Gali, Amjad. "Synthesis and Biological evaluation of some new 2-thioxoimidazolidin-4-one derivatives (part II)." Al-Mustansiriyah Journal of Science 29, no. 1 (2018): 79. http://dx.doi.org/10.23851/mjs.v29i1.111.

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In the present work adifferent of new heterocyclic compounds were synthesized by reaction of thiosemicarbazide with tow aldehydes (4-bromo benzaldehyde,2-chloro benzaldehyde). the reacting `of compounds(1,2) with ethyl chloroacetate to give 3-[(arylidene)amino]-2-sulfanyl-3,5-dihydro-4H-imidazol-4-one (3,4) which treating with defferent aldehydes togive chalcones . the compound (3) reacted with ethyl aceto acetate to give ethyl 4-aryl-1-[(4-bromo benzylidene)amino]-6-oxo-2-sulfanyl-3a,4,5,6,7,7a-hexahydro-1H-benzimidazole-5-carboxylate,and in series of reaction converted into a variety of deri

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20

B., G. Maske. "Synthesis and Biological Activity of 3-Nitro 5-Chloro Chalcone and Their Pyrazole and Isoxazole Derivatives." International Journal of Advance and Applied Research S6, no. 18 (2025): 946–49. https://doi.org/10.5281/zenodo.15273714.

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<em>The heterocyclic compounds and their derivatives hold significant importance in chemistry due to their diverse biological activities, which attract researchers to explore them further. The chalcone structure consists of two aromatic rings connected by a three-carbon aliphatic chain, containing an α,β-unsaturated ketone with a reactive ethylenic group. In the Claisen-Schmidt condensation, equimolar amounts of an aromatic aldehyde (lacking α-hydrogen) and an aromatic ketone (with an active –CH group) react in the presence of a condensing agent. In the current study, 3-

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21

Mahmoud, N. M. Yousif, ElRashedy Ahmed, and M. Yousif Nabil. "New and Facile Synthesis of 2-Chloro-1,3-diketones." INTERNATIONAL JOURNAL OF CHEMISTRY AND CHEMICAL PROCESSES 8, no. 1 (2022): 28–33. http://dx.doi.org/10.56201/ijccp.v8.no1.2022.pg28.33.

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Background: Development of new methods for preparation of organic compounds is one of our major interests. Aims: we aim to develop a new synthetic procedure to prepare previously reported compounds and novel compounds. Methods: The methods that we used in this manuscript are novel. Results: 1,1-Dichoro-actone reacts with different aliphatic and aromatic aldehydes namely acetaldehyde, decanal, benzaldehyde, p-chlorobenzaldehyde, p-flourobenzaldehyde, naphthaldehyde, 5-methylfuran-2-carbaldehyde, thiophene-2-carbaldehyde, and nicotinaldehyde. The reaction is in alkaline media using potassium hyd

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22

Journal, Baghdad Science. "Synthesis and Characterization of New Metal Complexes of α-Aminonitriles Derived from P- Toluidine and Aromatic Aldehydes." Baghdad Science Journal 7, no. 3 (2010): 1214–25. http://dx.doi.org/10.21123/bsj.7.3.1214-1225.

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New metal complexes of some transition metal ions Co(II), Cu(II) , Cd(II) and Zn(II) were prepared by their reaction with previously prepared ligands HLI= (P-methyl anilino) phenyl acetonitrile and HLII = (P-methyl anilino) –P– chloro phenyl acetonitrile . The two ligands were prepared by Strecker’s procedure which includ the reaction of p- toluidine with benzaldehyde and P- chlorobenzaldehyde respectively. Structures were proposed depending on atomic absorption , i.r. and u.v.visible spectra in addition to magnetic susceptibility and electrical conductivity measurements.

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23

Majeed, Rawa'a A., та Kh Abd-AL-Hassan. "Synthesis and Characterization of New Metal Complexes of α-Aminonitriles Derived from P- Toluidine and Aromatic Aldehydes". Baghdad Science Journal 7, № 3 (2010): 1214–25. http://dx.doi.org/10.21123/bsj.2010.7.3.1214-1225.

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New metal complexes of some transition metal ions Co(II), Cu(II) , Cd(II) and Zn(II) were prepared by their reaction with previously prepared ligands HLI= (P-methyl anilino) phenyl acetonitrile and HLII = (P-methyl anilino) –P– chloro phenyl acetonitrile . The two ligands were prepared by Strecker’s procedure which includ the reaction of p- toluidine with benzaldehyde and P- chlorobenzaldehyde respectively. Structures were proposed depending on atomic absorption , i.r. and u.v.visible spectra in addition to magnetic susceptibility and electrical conductivity measurements.

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24

Wang, Yanmei, Wenjie Wang, Xiao Wang, et al. "Polymerization of 1-chloro-2-benzaldehyde-acetylene using an NHC-Pd/AgOTf catalyst and post-polymerization modification." Polymer Chemistry 8, no. 36 (2017): 5546–53. http://dx.doi.org/10.1039/c7py01110e.

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Using NHC-Pd/AgOTf complex as catalyst, we realized the polymerization of 1-chloro-2-phenylacetylene derivative, which bears an electron-withdrawing aldehyde group for the subsequent post-polymerization modification.

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25

Patel, A. J., and M. P. Patel. "ULTRASOUND PROMOTED L- PROLINE CATALYZED FACILE SYNTHESIS AND ANTIMICROBIAL EVALUATION OF 4H-CHROMENO[2,3-D] PYRIMIDINE DERIVATIVES INCORPORATED WITH QUINOLINE MOIETY." INDIAN DRUGS 54, no. 09 (2017): 16–23. http://dx.doi.org/10.53879/id.54.09.11091.

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A simple, straightforward synthesis of 5-(2-chloro-6-substitutedquinolin-3-yl)-2-(4-substitutedphenyl)-8,8- substituted-5,7,8,9-tetrahydro-4H-chromeno[2,3-d]pyrimidine-4,6(3H)-diones (4a-l) has been performed by ultrasound irradiation method. Targeted compounds (4a-l) prepared from reaction of intermediate 2-amino-4-(2-chloro-6-substituted quinolin-3-yl)-7,7-substituted-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3- carbonitrile 2, which is synthesized by one pot three components way using L-proline as green catalyst at room temperature, was further reacted with benzaldehyde derivatives in the same r

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Priya, B. Krishna, P. Subrahmanyam, K. Dakshayani, and P. Chiranjeevi. "Spectrophotometric Determination of Fenpropathrin in its Formulations and Water Samples." E-Journal of Chemistry 4, no. 4 (2007): 480–86. http://dx.doi.org/10.1155/2007/296049.

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Novel spectrophotometric methods were developed for the determination of fenpropathrin in insecticidal formulations and water samples. The methods were based on the hydrolysis of fenpropathrin with ethanolic KOH to form 3-phenoxy benzaldehyde. The resultant aldehyde group was condensed with anthranilic acid in presence of basic medium to form yellowish red color product having λmaxof 485 nm or condensed with 2-chloro phenyl hydrazine to form pink color product having λmaxof 557 nm. The color derivatives were correspondingly stable for 5 and 8 days. The Beer's law was obeyed over the range from

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27

Krátký, Martin, Katarína Svrčková, Quynh Anh Vu, Šárka Štěpánková, and Jarmila Vinšová. "Hydrazones of 4-(Trifluoromethyl)benzohydrazide as New Inhibitors of Acetyl- and Butyrylcholinesterase." Molecules 26, no. 4 (2021): 989. http://dx.doi.org/10.3390/molecules26040989.

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Based on the broad spectrum of biological activity of hydrazide–hydrazones, trifluoromethyl compounds, and clinical usage of cholinesterase inhibitors, we investigated hydrazones obtained from 4-(trifluoromethyl)benzohydrazide and various benzaldehydes or aliphatic ketones as potential inhibitors of acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE). They were evaluated using Ellman’s spectrophotometric method. The hydrazide–hydrazones produced a dual inhibition of both cholinesterase enzymes with IC50 values of 46.8–137.7 µM and 19.1–881.1 µM for AChE and BuChE, respectively. The m

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28

Adéyolé, TIMOTOU, Yves Guillaume MOLOU Kouassi, Simplice ZOAKOUMA Pépin, et al. "Design, Synthesis of Novel Benzylidenehydrazone Derivatives." Pharmaceutical and Chemical Journal 9, no. 6 (2022): 36–42. https://doi.org/10.5281/zenodo.13981753.

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This article describes the synthesis of new benzylidenehydrazone derivatives (<strong>4a-c</strong>). These compounds were synthesized by first designing N-substituted benzaldehyde derivatives (<strong>3a-c</strong>) through the action of cyclic amine with 2-chloro-5-nitrobenzaldehyde (<strong>2)</strong>. Condensation of these aldehydes (<strong>3a-c</strong>) with tosylhydrazine led to hydrazones derivatives (<strong>4a-c</strong>). The structures of these compounds were characterized by <sup>1</sup>H, <sup>13</sup>C Nuclear Magnetic Resonance (NMR) spectroscopy, and High-Resolution Mass Spe

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29

Nesprias, Karina R., Adriana I. Cañizo, Nora Eyler, Carmen M. Mateo, and Nelly L. Jorge. "Preparation and Thermal Decomposition Reaction of p-Chloro Benzaldehyde Diperoxide in Tetrahydrofuran Solution." Journal of Energetic Materials 25, no. 2 (2007): 69–78. http://dx.doi.org/10.1080/07370650601107187.

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Zahirović, Adnan, Irnesa Osmanković, Amar Osmanović, et al. "Interaction of Copper(II) Complexes of Bidentate Benzaldehyde Nicotinic Acid Hydrazones with BSA: Spectrofluorimetric and Molecular Docking Approach." Acta Chimica Slovenica 70, no. 1 (2023): 74–85. http://dx.doi.org/10.17344/acsi.2022.7826.

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Two copper(II) complexes of 4-chloro- and 4-dimethylaminobenzaldehyde nicotinic acid hydrazones were prepared and characterized by elemental analysis, mass spectrometry, infrared and electron spectroscopy and conductometry. These rare examples of bis(hydrazonato)copper(II) complexes are neutral complex species with copper(II) center coordinated with two monoanionic bidentate O,N-donor hydrazone ligands coordinated in enol-imine form. The interaction of hydrazone ligands and corresponding copper(II) complexes with CT DNA and BSA was investigated. Copper(II) complexes are slightly effective in b

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31

Kamala, G. R., and A. K. Velagaleti. "SYNTHSIS, CHARACTERISATION AND ANTI MICROBIAL EVALUATION OF NOVEL 2-SUBSTITUTED QUINOXALINE DERIVATIVES." INDIAN DRUGS 54, no. 05 (2017): 5–10. http://dx.doi.org/10.53879/id.54.05.10811.

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literature survey indicates that 2-substituted quinoxaline derivatives possess different pharmacological and biological activities, of which most potent activities are anti-bacterial, anti-fungal, anti-inflammatory, and analgesic activity. In view of above literature, we planned to synthesize novel 2-Substituted quinoxaline derivatives. The final synthesised were characterized by physical (M.P, TLC) and spectral analysis (1HNMR, IR). The 2-substituted quinoxaline nucleus was constructed by condensation of o-phenylene diamine and diethy loxalate in equimolar quantities which upon heating yielde

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32

Jamel, Nebras M., Rajaa K. Baker, and Jumbad H. Tomma. "Synthesis, Characterization and Investigation the Antibacterial Activity of New Heterocyclic Compounds Derived From 4-(4`-methoxy benzoyloxy) benzaldehydethiosemicarbazone." Ibn AL-Haitham Journal For Pure and Applied Sciences 30, no. 1 (2017): 155–68. http://dx.doi.org/10.30526/30.1.1068.

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4-Thiazolidinone were synthesized by three steps,the reaction of ansoyl chloride with 4hydroxy benzaldehyde to give 4-(4`-methoxy benzoyloxy) benzaldehyde[I].The reaction of later compound with thiosemicarbazideled to formation thiosemicarbazon [II] and the reacted thiosemicarbazone with chloro acetic acid in CH3CO2Na medium to yield 4- thiazelidinone compound[III].The 4-thiazolidinone [III]was used as a key intermediates to synthesis new compounds, compound[IV] synthesized from the reaction [III] with acetic anhydride, while the reaction of compound [III] with amines to yield azo compound[V]a

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33

Bettington, Sylvia, Amber L. Thompson, Andrew Beeby та Andrés E. Goeta. "Di-μ-chloro-bis{bis[4-(2-pyridyl)benzaldehyde-κ2C2,N′]iridium} dichloromethane sesquisolvate". Acta Crystallographica Section E Structure Reports Online 60, № 6 (2004): m827—m829. http://dx.doi.org/10.1107/s1600536804011663.

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34

Barbaro, P., C. Bianchini, C. Mealli, and D. Masi. "Chloro[o-(diphenylphosphino)benzaldehyde]{N-[o-(diphenylphosphino)benzylidene]ethylamine}(tetrachloro-o-catecholato)iridium(III)." Acta Crystallographica Section C Crystal Structure Communications 50, no. 9 (1994): 1414–17. http://dx.doi.org/10.1107/s0108270193010091.

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35

Hernández, Wilfredo, Juan Paz, Fernando Carrasco, et al. "Synthesis and Characterization of New Palladium(II) Thiosemicarbazone Complexes and Their Cytotoxic Activity against Various Human Tumor Cell Lines." Bioinorganic Chemistry and Applications 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/524701.

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The palladium(II) bis-chelate complexes of the type [Pd(TSC1-5)2] (6–10), with their corresponding ligands 4-phenyl-1-(acetone)-thiosemicarbazone, HTSC1(1), 4-phenyl-1-(2′-chloro-benzaldehyde)-thiosemicarbazone, HTSC2(2), 4-phenyl-1-(3′-hydroxy-benzaldehyde)-thiosemicarbazone, HTSC3(3), 4-phenyl-1-(2′-naphthaldehyde)-thiosemicarbazone, HTSC4(4), and 4-phenyl-1-(1′-nitro-2′-naphthaldehyde)-thiosemicarbazone, HTSC5(5), were synthesized and characterized by elemental analysis and spectroscopic techniques (IR and1H- and13C-NMR). The molecular structure of HTSC3, HTSC4, and [Pd(TSC1)2] (6) have bee

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36

Szwedo, Peter, Travis Jumper, Karie Sanford, et al. "Dehydrogenative Conversions of Aldehydes and Amines to Amides Catalyzed by a Nickel(II) Pincer Complex." Catalysts 13, no. 11 (2023): 1423. http://dx.doi.org/10.3390/catal13111423.

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A C-N cross-coupling approach involving oxidative amidations of aromatic aldehydes in the presence of an amide-based nickel(II) pincer catalyst (2) is demonstrated. Upon optimization, quick reaction times (15 min) and an ideal temperature (25 °C) were established and implemented for the conversion of 33 different amide products using only 0.2 mol% of catalyst. Moderate to good turnover numbers (TONs) were obtained for secondary benzamide products, and moderate TONs were obtained for tertiary benzamide products, with the highest turnover number calculated for the 4-chloro-N-(3-phenylpropyl)benz

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37

Journal, Baghdad Science. "Synthesis and Characterization of Some New Nucleoside Analogues from Substituted Benzimidazole via 1,3-Dipolar cycloaddition." Baghdad Science Journal 13, no. 2 (2016): 298–306. http://dx.doi.org/10.21123/bsj.13.2.298-306.

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This paper includes the synthesis of some new nucleoside analogues starting with 2-substituted benzimidazole derivative (7-9), that synthesized by condensation of O-phenylenediamine with p-chloro benzaldehyde and two substituted benzoic acid , which on nucleophilic substitution with propargyl bromide gave a new N-substituted compounds (10-12). D-Fructose and D-galactose were chosen as a sugar moiety which were protected, brominated and azotated to give azido sugars (5) and (6), then they were subjected to 1,3-dipolar cycloaddition reaction with N-substuted compounds afforded bloked nucleoside

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38

Chu, Thanh Phong, Thanh Vinh Vo, Khanh Hung Nguyen, and Van Chung Tran. "Kinetic Characteristics for Reaction between Trichloroisocyanuric (TCCA) Acid with 2-Chlorobenzylidene Malononitrile (CS)." International Journal of Engineering Research & Science 5, no. 8 (2019): 07–13. https://doi.org/10.5281/zenodo.3370857.

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<strong><em>Abstract</em></strong><strong>—</strong> <em>The research experimental results determiningrateconstant of the reaction between TCCA and CS according to Arrhenius equation was studied. Basing the set of graphs showing the relationship between (ln(k) - (1/T)) and (ln (k/T) - (1/T)), the activation energy (E<sub>a</sub>) according to the Arrhenius equation and activation enthalpy variation (∆H<sup>#</sup>), activationentropy variation (∆S<sup>#</sup>), free activation energy Gibss (∆G<sup>#</sup>) according to the Eyring equation are determined. The products of TCCA reaction and

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39

Kvíčala, Jaroslav, and Andrew Pelter. "(9H-Fluoren-9-ylidene)fluoromethyllithium, a Stabilized Fluoroalkenyl Carbanion. Preparation, Reactions, 13C and 19F NMR Spectra." Collection of Czechoslovak Chemical Communications 66, no. 10 (2001): 1508–20. http://dx.doi.org/10.1135/cccc20011508.

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(9H-Fluoren-9-ylidene)fluoromethyllithium (1) was prepared by a low-temperature transmetallation of bromo(9H-fluoren-9-ylidene)fluoromethane (2). Whereas the synthesis of unlabeled bromofluoroalkene 2a was based on Wittig-Horner reaction of fluorenone (3) with ethyl (diethoxyphosphoryl)fluoroacetate (4), (1-13C)-labeled compound 2b was obtained via an addition of labeled lithium 1-ethoxy-2-fluoro(2-13C)ethen-1-olate (5) to ketone 3. Fluoroethenyllithium 1 was found by a low-temperature 19F NMR spectroscopy to be stable up to -40 °C; it was reacted with the series of electrophiles, e.g. benzald

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40

Hiba Ibrahim Abdulla AL-Joubory and Khalid Mohamad Motny Al-janaby. "Synthesis, Characterization and Biological Activity Study of New Compounds Tetrazole Derivatives Azo-Schiff Base." journal of the college of basic education 25, no. 103 (2019): 68–89. http://dx.doi.org/10.35950/cbej.v25i103.4547.

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This work included synthesis of azo dye (H1) by the reaction of diazonium salt to sulfacetamide with 4-hydroxy benzaldehyde at (0-5) oC and synthesis of schiff base (H2-H6) through reaction substituted aromatic amine (aniline, 4-nitro aniline, 4-chloro aniline, 4-amino benzoic acid and phenyl hydrazine) with aldehyde group in azo compound (H1) in ethanol compounds (H2-H6) and tetrazole derivatives prepared by reaction schiff base with sodium azide in ethanol compounds (H7-H11) and characterization by using spectroscopic techniques Uv/Vis, FT-IR, C.H.N. and H1-NMR of some the prepared compounds

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41

Nurmilatina, Nurmilatina. "Analisis Komposisi Kimia Daun Kelakai (Stenochlaena palustris Bedd.) dengan Berbagai Pelarut menggunakan GCMS (Chemical Composition Analysis of Stenochlaena palustris Bedd. Leaves using Various Solvents on GCMS)." Jurnal Riset Industri Hasil Hutan 9, no. 1 (2017): 9–16. http://dx.doi.org/10.24111/jrihh.v9i1.2952.

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The selection of suitable solvents is essential for extracting the desired compounds from plant cells. GCMS is an instrument that can be used to identify such compounds. Therefore, this study objective is to extract kelakai leaves using various solvents and analyze the composition of chemical compounds using GCMS instrument. Kelakai leaves was extracted using three solvent variations: a1 = aquadest, a2 = ethanol, and a3 = ethanol 50%; and the maceration time variations: b1 = 1 day, b2 = 2 days, and b3 = 3 days. The best extraction method was aquadest as solvent and one day maceration. The chem

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42

Nişancı, Bilal, and Ziya Dağalan. "A facile and highly efficient transfer hydrogenation of ketones and aldehydes catalyzed by palladium nanoparticles supported on mesoporous graphitic carbon nitride." Journal of Chemical Research 44, no. 1-2 (2019): 14–19. http://dx.doi.org/10.1177/1747519819883792.

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A novel transfer hydrogenation methodology for the reduction of ketones (14 examples) and benzaldehyde derivatives (12 examples) to the corresponding alcohols using Pd nanoparticles supported on mesoporous graphitic carbon nitride (mpg-C3N4/Pd) as a reusable catalyst and ammonia borane as a safe hydrogen source in an aqueous solution MeOH/H2O (v/v = 1/1) is described. The catalytic hydrogenation reactions were conducted in a commercially available high-pressure glass tube at room temperature, and the corresponding alcohols were obtained in high yields in 2–5 min. Moreover, the presented transf

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43

Bjørnstad, Frithjof, Eirik Sundby, and Bård Helge Hoff. "Directed Lithiation of Protected 4-Chloropyrrolopyrimidine: Addition to Aldehydes and Ketones Aided by Bis(2-dimethylaminoethyl)ether." Molecules 28, no. 3 (2023): 932. http://dx.doi.org/10.3390/molecules28030932.

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Pyrrolopyrimidines are important scaffolds for the preparation of bioactive molecules. Therefore, developing efficient and flexible ways for selective functionalization of the pyrrolopyrimidine skeleton is of interest. We have investigated lithiation-addition at C-6 of protected 4-chloro-7H-pyrrolo [2,3-d]pyrimidine as a route to new building blocks for medicinal chemistry. It was found that bis(2-dimethylaminoethyl) ether as an additive increased the yield in the additional reaction with benzaldehyde. Deuterium oxide quench experiments showed that this additive offered both a higher degree of

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44

Wafaa Jumaah Imran, Ibtihal Kadhim Kareem, and Ruba Riyadh Jaafar. "Synthesis and Spectral identifications of new azo – Schiff base ligand(4Cl-2DIBP) derived from (para-aminobenzylamine) with its some metallic complexes." Journal of Kufa for Chemical Sciences 2, no. 10 (2023): 1–16. http://dx.doi.org/10.36329/jkcm/2023/v2.i10.12257.

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The New Heterocyclic ligand 4-chloro-2-(((4-((4,5-diphenyl-1H-imidazol-2-yl) diazenyl ) benzyl)imino)methyl) phenol (4Cl-2DIBP) was prepared from the condensation of para-aminobenzylamine with 4,5-diphenyl imidazole, followed by the condensation of the resulting compound with 5- chloro-2- hydroxy benzaldehyde. Different analytical and characterization techniques including (Mass,1HNMR, FT-IR and UV-Vis. spectroscopy and C.H.N elemental analysis) in the investigation of Newly prepared ligand. A series of Novel solid metal complexes of this ligand with Co (II), Ni (II), Cu (II), Zn ((II), Cd (II)

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45

Radini, Ibrahim. "Design, Synthesis, and Antimicrobial Evaluation of Novel Pyrazoles and Pyrazolyl 1,3,4-Thiadiazine Derivatives." Molecules 23, no. 9 (2018): 2092. http://dx.doi.org/10.3390/molecules23092092.

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A novel series of pyrazolyl 1,3,4-thiadiazines 5a–c, 8a–c, 12, 15a–c, 17a–c, and 20 was prepared from the reaction of pyrazole-1-carbothiohydrazide 1a,b with 2-oxo-N′-arylpropanehydrazonoyl chloride, 2-chloro-2-(2-arylhydrazono)acetate, and 3-bromoacetylcoumarin. Moreover, the regioselective reaction of 5-pyrazolone-1-carbothiohydrazide 1a with 4-substituted diazonium salts and 4-(dimethylamino)benzaldehyde gave the corresponding hydrazones 21a–c and 22. The newly prepared compounds were characterized by spectroscopy and elemental analysis. Many new synthesized compounds showed considerable an

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46

Anandam, Rambabu, Bala Murali Krishna Khandapu, Jyothi K. Kasturi, et al. "C-dimethylated Chalcones:Towards Possible Dual Acting Agents-Against Tuberculosis and cancer(A549) and an SAR study." Caribbean Journal of Science and Technology 08, no. 01 (2020): 53–59. http://dx.doi.org/10.55434/cbi.2020.8109.

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A series of seventeen C-dimethyl chalcones on ring ‘A’ were synthesized by using a known condensation method. The chalcones include the utilization of heterocyclic aldehydes such as N,N-dimethyl benzaldehyde, furfural-2-aldehyde, and N-methyl indole aldehyde. All the compounds were found to possess moderate to potent anticancer activity on human lung adenocarcinoma cell line “A549” in the MTT cell proliferation method. The dimethyl chalcone 9f with furfural ring was found to possess potent anti-cancer activity followed by 9m with o-chloro substitution on ring ‘B’ with IC50values of 1.0 and 1.2

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47

Gan, Zengyu, Jianping Huang, Jinyin Chen, Muhammad Farrukh Nisar, and Wenwen Qi. "Synthesis and Antifungal Activities of Cinnamaldehyde Derivatives against Penicillium digitatum Causing Citrus Green Mold." Journal of Food Quality 2020 (October 12, 2020): 1–7. http://dx.doi.org/10.1155/2020/8898692.

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Penicillium digitatum (green mold) is pathogenic fungi and causes citrus fruit postharvest rotting that leads to huge economic losses across the world. The current study was aimed to develop a new derivative of cinnamaldehyde (4-methoxycinnamaldehyde) through the cross-hydroxyaldehyde condensation method with benzaldehyde substituted by a benzene ring under the catalysis of alkaline reagent and, moreover, to test their antifungal potential against P. digitatum, the major citrus fruit rotting fungi. Multiple derivatives of cinnamaldehyde viz. 4-nitro CA, 4-chloro CA, 4-bromo CA, 4-methyl CA, 4-

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48

Patel, Darshana D., and Vikram N. Panchal. "Studies on Metal Complexes of Pyrazole Bearing Ligand with Their Antimicrobial Screening." Oriental Journal Of Chemistry 40, no. 5 (2024): 1394–98. http://dx.doi.org/10.13005/ojc/400522.

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In present research article, we reported the synthesise of novel hetertocyclic ligand namely,5-((3-((1H-benzimidazol-1-yl)methyl)-5-phenyl-1H-pyrazol-1-yl) methyl)-8-hydroxy quinoline (BIPPHQ) from 5-chloro methyl-8-hydroxy quinoline and 1-((5-phenyl-1H-pyrazol-3-yl) methyl)-1H-benzimidazole (BIPP). The BIPP was synthsised by the reaction between hydrazine hydrate with 1-(1H-benzimidazol-1-yl)-4-phenylbut-3-en-2-one (BIPB), which was synthesisd from 1-(1H-benzimidazol-1-yl)propan-2-one (BIP) and benzaldehyde. The transition metal complxes of 5-((3-((1H-benzimidazol-1-yl)methyl)-5-phenyl-1H-pyr

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49

Núñez-Montenegro, Ara, Rosa Carballo, and Ezequiel M. Vázquez-López. "Synthesis and characterization of thiosemicarbazone derivatives of 2-chloro-4-hydroxy-benzaldehyde and their rhenium(I) complexes." Polyhedron 28, no. 18 (2009): 3915–22. http://dx.doi.org/10.1016/j.poly.2009.09.002.

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50

Aldabbagh, Maha, Baker F. Abdallaha, Nibras Y. Abdulla, and Ibraheem J. Ibraheem. "Synthesis, Characterization and Anticancer Activity of Chitosan Schiff Base / PEG Blend Doped with Gold and Silver Nanoparticles in Treatment of Breast Cancer Cell Line MCF-7." Iraqi Journal of Pharmaceutical Sciences( P-ISSN 1683 - 3597 E-ISSN 2521 - 3512) 33, no. 2 (2024): 101–11. http://dx.doi.org/10.31351/vol33iss2pp101-111.

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In the present study, chitosan Schiff base has been prepared from chitosan reaction with the para chloro benzaldehyde. The AuNPs and AgNPs were manufacture by extract of onion peels as a reducing agent. The AuNPs and AgNPs that have been synthesized were characterized through UV-vis spectroscopy the XRD analyses and SEM microscopy. The polymer blends of the chitosan / PEG has been prepared through using the approach of solution casting. Chitosan Schiff base / PEG Au and Ag nano-composites were synthesized nano composites and polymer blends have been characterized by FTIR which confirm the form

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