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Journal articles on the topic '4-dichloro-1'

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Published: 5 June 2025

Last updated: 1 August 2025

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1

Wang, Ping-An, Jun-Ping Gao, and Peng Liu. "2,2-Dichloro-1-(4-methylphenyl)ethanone." Acta Crystallographica Section E Structure Reports Online 67, no. 2 (2011): o337. http://dx.doi.org/10.1107/s1600536811000134.

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2

Barnett, Sarah A., Andrea Johnston, Alastair J. Florence, and Alan R. Kennedy. "3,4-Dichloro-1-nitrobenzene–1,4-dioxane (4/1)." Acta Crystallographica Section E Structure Reports Online 61, no. 11 (2005): o3666—o3667. http://dx.doi.org/10.1107/s1600536805030680.

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3

Amrane, Dyhia, Omar Khoumeri, Patrice Vanelle, and Nicolas Primas. "Dichloro{4-(4-chlorophenoxy)phthalazin-1-yl} methylphosphonic dichloride." Molbank 2022, no. 3 (2022): M1439. http://dx.doi.org/10.3390/m1439.

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As part of our ongoing scaffold-hopping work on an antiplasmodial 2-trichloromethylquinazoline scaffold, we aimed to explore the 1-trichloromethylphthalazine scaffold as a potential new antimalarial series. Using previously chlorination conditions described by our lab to obtain a trichloromethyl group from a methyl group, we did not obtain the target compound; instead, we obtained a dichloro methylphosphonic dichloride side product 3. The nature of this compound was then characterized by NMR, HRMS and X-ray crystallography. The same issue was previously reported by Kato et al., starting from t

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4

Ülkü, D., F. Ercan, and V. Güner. "3,3-Dichloro-4-(4-chlorophenyl)-1-phenylazetidin-2-one." Acta Crystallographica Section C Crystal Structure Communications 53, no. 12 (1997): 1945–47. http://dx.doi.org/10.1107/s0108270197009748.

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5

Mistry, Rakesh N., and K. R. Desai. "Studies on Synthesis of Some Novel Heterocyclic Chalcone, Pyrazoline, Pyrimidine - 2 - One, Pyrimidine - 2 - Thione,para-Acetanilide Sulphonyl and Benzoyl Derivatives and their Antimicrobial Activity." E-Journal of Chemistry 2, no. 1 (2005): 30–41. http://dx.doi.org/10.1155/2005/953107.

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1, 2 - Dichloro benzene on chlorosulphonation by chlorosulphonic acid gives 1, 2 - [dichloro] - benzene sulphonyl chloride which on condensation withp–amino acetophenone gives 1-[acetyl] - 1’ , 2’ - [dichloro] - dibenz sulphonamide derivative. This derivative undergo condensation with 2,4- dichloro benzaldehyde gives 1- [3” - (sub. phenyl) - 2” - propene - 1” - one] - 1’ , 2’ - [dichloro] - dibenz sulphonamide derivative which on reaction with 99% hydrazine hydrate and glacial acetic acid gives 1-[acetyl]-3- [1’ , 2’ - (dichloro) - dibenz sulphonamide] -5 - [2” , 4” - dichloro phenyl] - 2 - py

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6

Mistry, Bhavnaben D., Kishor R. Desai, and Nigam J. Desai. "SYNTHESIS, IN VITRO ANTIMICROBIAL ACTIVITY OF SCHIFF’S BASE, AZETIDINONES AND THIAZOLIDINONES." International Journal of Current Pharmaceutical Research 9, no. 1 (2016): 126. http://dx.doi.org/10.22159/ijcpr.2017v9i1.16634.

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Objective: The objective of the present study is to synthesize 3-Chloro-4-[3-(2,4-dichloro-5-fluoro phenyl)-1H-pyrazol-4-yl]-1-(substituted) azetidin-2-one [4a-n] and 2-[3-(2,4-Dichloro-5-fluoro phenyl)-1H-pyraol-4-yl]-3-(substituted phenyl)-1,3-thiazolidin-4-one [5a-n]. The structure of all synthesized compounds were characterized by IR, 1H NMR, 13C NMR and mass spectral studies. Methods: The titled compounds 3-Chloro-4-[3-(2,4-dichloro-5-fluoro phenyl)-1H-pyrazol-4-yl]-1-(substituted) azetidin-2-one [4a-n] and 2-[3-(2,4-Dichloro-5-fluoro phenyl)-1H-pyraol-4-yl]-3-(substituted phenyl)-1,3-thi

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7

Shablykin, O. V., S. A. Chumachenko, and V. S. Brovarets. "Reactions of New N-(2,2-Dichloro-1-cyanoethenyl)amides with Aliphatic Amines." Russian Journal of General Chemistry 91, no. 9 (2021): 1607–12. http://dx.doi.org/10.1134/s1070363221090012.

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Abstract The reaction of the newly synthesized N-(2,2-dichloro-1-cyanoethenyl)prop-2-enamide and 4-chloro-N-(2,2-dichloro-1-cyanoethenyl)butanamide with methylamine or dimethylamine gave rise to previously unknown 5-amino-1,3-oxazole-4-carbonitriles. In the case of the reaction of N-(2,2-dichloro-1-cyanoethenyl)amides with ethylenediamine diacetate, new (Z)-2,3,5,6,7,8-hexahydro-7-oxo-1H-imidazo[1,2-a][1,4]diazepine-9-carbonitrile and 4-chloro-N-(cyano(imidazolidin-2-ylidene)methyl)butanamide were obtained.

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8

Dumdei, Eric J., Jamie S. Simpson, Mary J. Garson, Karl A. Byriel, and Colin H. L. Kennard. "New Chlorinated Metabolites from the Tropical Marine Sponge Dysidea herbacea." Australian Journal of Chemistry 50, no. 2 (1997): 139. http://dx.doi.org/10.1071/c96111.

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Three new chlorinated metabolites, namely 3-(3,3-dichloro-2-methylpropyl)-6-(3,3-dichloro-2-methyl-propylidene)-1,4-dimethylpiperazine-2,5-dione (3), 1-methyl-3-(3,3,3-trichloro-2-methylpropyl)-6-(3,3,3-richloro-2-methylpropylidene)piperazine-2,5-dione (4) and 5,5-dichloro-4-methyl-2-[methyl(4,4-dichloro-3-methyl-1-oxobutyl)amino]-N-(thiazol-2-ylmethyl)pentanamide (8), have been isolated from collections of Dysidea herbacea from the southern region of the Great Barrier Reef. The relative and absolute stereochemistry of (4) was determined by X-ray crystallographic analysis.

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9

Gowda, Basavalinganadoddy Thimme, Helmut Paulus, and Jozef Kožíšek. "Effect of Substitution on the Molecular Geometry of N-(2/3/4-Substituted-phenyl)-2,2-dichloro-acetamides, 2/3/4-XC6H4NH-CO-CHCl2 (X = CH3 or Cl)." Zeitschrift für Naturforschung A 61, no. 12 (2006): 675–82. http://dx.doi.org/10.1515/zna-2006-1210.

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2MPDCAThe effect of ring substitution on the molecular geometry of amides of the type 2/3/4-XC6H4NHCO- CHCl2 (X = CH3 or Cl) has been studied by determining the crystal structures of the compounds N-(2-methylphenyl)-2,2-dichloro-acetamide, 2-CH3C6H4NH-CO-CHCl2 (); N-(3-methylphenyl)- 2,2-dichloro-acetamide, 3-CH3C6H4NH-CO-CHCl2 (3MPDCA) and N-(3-chlorophenyl)- 2,2-dichloro-acetamide, 3-ClC6H4NH-CO-CHCl2 (3CPDCA). The results are analyzed along with our earlier crystal structures of the amides N-(phenyl)-2,2-dichloro-acetamide, C6H5NH-COCHCl2 (PDCA); N-chloro-N-(phenyl)-2,2-dichloro-acetamide,

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10

He, Meiyu, Jinfang Yuan, Zhenpei Yu Xiaoran He, Hongzhong Wang, Xin Zhou, and Sheng Jin. "Fragmentation mechanism of novel compounds: 3,3-dichloro-1-[2-(2,2-dichloro-1-oxoethylthio)phenyl]-4-(4-methoxyphenyl)-4-(1-phenylvinyl)-2-azetidinone and its derivatives." Rapid Communications in Mass Spectrometry 15, no. 14 (2001): 1160–65. http://dx.doi.org/10.1002/rcm.358.

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11

Sun, Na-Bo, De-Long Shen, Ren-Hua Zheng, Cheng-Xia Tan, and Jian-Quan Weng. "2,2-Dichloro-1-(4-ethoxyphenyl)cyclopropanyl piperidin-1-yl ketone." Acta Crystallographica Section E Structure Reports Online 62, no. 12 (2006): o5679—o5680. http://dx.doi.org/10.1107/s160053680604743x.

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12

Heuer, Lutz, Ulrike K. Bode, Peter G. Jones, and Reinhard Schmutzler. "Cyclopentadienyldifluorphosphin und Homologe als Liganden in cis-Dichloroplatin(II)-Komplexen — Struktur von cis-(C5Me5PF2)2PtCl2 und cis-(C9H7PF2)[(C9H7)3P]PtCl2 (C5Me5 = Pentamethylcyclopentadienyl, C9H7 = Indenyl) / Cyclopentadienyldifluorophosphine and its Homologues as Ligands in cis-Dichloroplatinum(II) Complexes — Structure of cis-(C5Me5PF2)2PtCl2 and cis-(C9H7PF2)[(C9H7)3P]PtCl2 (C5Me5 = Pentamethylcyclopentadienyl, C9H7 = Indenyl)." Zeitschrift für Naturforschung B 44, no. 9 (1989): 1082–92. http://dx.doi.org/10.1515/znb-1989-0915.

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Derivatives of cyclopentadienyldifluorophosphine. e. g. CpPF2 (1), Cp*PF2 (Cp* = C5Me5) (2),1-(indenyl)PF2 (3), 9-(fluorenyl)PF2 (4), 1-(ferrocenyl)PF2 (5), 1,1′-(ferrocenyl)(PF2)2 (6) and also 1-N-phenyl-2-difluorophosphinopyrrole (7) were prepared using the reaction of the appropriate organolithium compound and PF2Cl. Their reactivity towards cis-dichloro-(η4-cyclooctadiene)-platinum(II) and tetracyanoethylene was investigated. The complexes poly-dichloro-bis-(cyclopentadienyldifluorophosphine)platinum(II) (8), cis-dichloro-bis-(pentamethylcyclopentadienyldifluorophosphine)platinum(II) (9),

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13

UELKUE, D., F. ERCAN, and V. GUENER. "ChemInform Abstract: 3,3-Dichloro-4-(4-chlorophenyl)-1-phenylazetidin-2-one." ChemInform 29, no. 16 (2010): no. http://dx.doi.org/10.1002/chin.199816040.

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14

Szczepański, Jacek, Helena Tuszewska, and Nazar Trotsko. "Synthesis of a New [3-(4-Chlorophenyl)-4-oxo-1,3-thiazolidin-5-ylidene]acetic Acid Derivative." Molbank 2020, no. 3 (2020): M1150. http://dx.doi.org/10.3390/m1150.

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The new methyl [3-(4-chlorophenyl)-2-{[(2,4-dichloro-1,3-thiazol-5-yl)methylidene]hydrazinylidene}-4-oxo-1,3-thiazolidin-5-ylidene]acetate was synthesized from 4-(4-chlorophenyl)-1-(2,4-dichloro-1,3-thiazol-5-yl)methylidene-3-thiosemicarbazide using dimethyl acetylenedicarboxylate as thia-Michael reaction acceptor. New compounds (3 and 4) were characterized by IR, 1H and 13C NMR spectroscopy methods.

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15

Rafalska-Lasocha, A., B. Włodarczyk-Gajda, M. Grzywa, and W. Lasocha. "X-ray powder diffraction investigations of phenol derivatives." Powder Diffraction 19, no. 3 (2004): 292–95. http://dx.doi.org/10.1154/1.1759356.

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The X-ray powder diffraction patterns of three phenol derivatives—2-chlorophenol, 2,6-dichloro-4-nitrophenol, and 2,6-dichloro-phenoloindophenol tetrahydrate—were collected and the lattice parameters of these compounds were determined. The measurement for 2-chlorophenol was carried out at 250 K in a low-temperature chamber; this compound crystallizes in hexagonal system with a=1.59602(8) nm, c=0.59761(7) nm, space group P6 or P63/m. Investigated at room temperature, 2,6-dichloro-4-nitrophenol and 2,6-dichloro-phenoloindophenol tetrahydrate crystallize in the triclinic system with the unit cell

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16

Schmidt, Andreas, and Thorsten Mordhorst. "Syntheses and Properties of Di- and Tricationic Hetarenium-Substituted Pyrimidines." Zeitschrift für Naturforschung B 61, no. 4 (2006): 396–405. http://dx.doi.org/10.1515/znb-2006-0405.

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2,4-Dichloro-, 4,6-dichloro-, 2,4,6-trichloro- and tetrachloropyrimidine undergo nucleophilic displacements by 4-(dimethylamino)pyridine to give (pyrimidine-2,4-diyl)-1,1’-bis[4-(dimethylamino) pyridinium] dichloride, (pyrimidine-4,6-diyl)-1,1’-bis[4-(dimethylamino)-pyridinium] dichloride, (pyrimidine-2,4,6-triyl)-1,1’,1”-tris[4-(dimethylamino)pyridinium] trichloride, and (5- chloropyrimidine-2,4,6-triyl)-1,1’,1”-tris[4-(dimethylamino)pyridinium] trichloride, respectively. Nucleophilic substitutions of the pyridinium substituents by O- and S-nucleophiles to functionalized pyrimidines are exami

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17

Sadyrbekov, Daniyar, Timur Saliev, Yuri Gatilov, et al. "Spatial Structure and Antimicrobial Activity of Cyclopropane Derivative of Limonene." Natural Product Communications 13, no. 4 (2018): 1934578X1801300. http://dx.doi.org/10.1177/1934578x1801300401.

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A cyclopropane derivative of limonene, (1 S, 4 S, 6 R)-7,7-dichloro-4-[(1 S)-2,2-dichloro-1-methylcyclopropyl]-1-methylbicyclo [4.1.0] heptane (compound 2), was synthesized and its structure was determined by NMR and X-ray crystallographic methods. In addition, an antimicrobial activity of the compound against Gram-positive ( Staphylococcus aureus, Bacillus subtilis) and Gram-negative ( Escherichia coli, Pseudomonas aeruginosa) bacterial strains was also scrutinized.

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18

Sun, Na-Bo, Cheng-Xia Tan, Jian-Quan Weng, and De-Long Shen. "2,2-Dichloro-1-(4-ethoxyphenyl)cyclopropanyl 2,3-dimethylpiperidin-1-yl ketone." Acta Crystallographica Section E Structure Reports Online 62, no. 8 (2006): o3486—o3487. http://dx.doi.org/10.1107/s160053680602811x.

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19

Han, Shuwen, Yongheng Shi, Wang Yuli, Guilong Zhao, and Weiren Xu. "1-(5-Bromo-2-chlorophenyl)-2,2-dichloro-1-(4-ethoxyphenyl)cyclopropane." Acta Crystallographica Section E Structure Reports Online 69, no. 3 (2013): o405. http://dx.doi.org/10.1107/s1600536813003735.

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20

Ercan, F., D. Ülkü, and V. Güner. "3,3-Dichloro-4-(p-methoxyphenyl)-1-phenyl-2-azetidinone." Acta Crystallographica Section C Crystal Structure Communications 52, no. 7 (1996): 1779–80. http://dx.doi.org/10.1107/s0108270196002119.

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21

Marini, Richard P., Ross E. Byers, and Donald L. Sowers. "Growth Regulators and Herbicides for Delaying Apple Fruit Abscission." HortScience 24, no. 6 (1989): 957–59. http://dx.doi.org/10.21273/hortsci.24.6.957.

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Abstract Various chemicals were applied to whole-tree, quarter-tree, or single-limb units to determine their efficacy for delaying apple (Malus domestica Borkh.) fruit abscission. NAA and the herbicides fenoprop, dicamba, triclopyr, lontrel, fluroxypyr, and chloroxuron delayed fruit abscission. Benzoic acid, calcium acetate; the growth regulators lactidichlor ethyl, mefluidide, BA, GA4+7, and chlormequat; and the herbicides pronamide, pendimethalin, chloramben, and DCPA did not delay fruit abscission. Chemical names used: benzoic acid,3,6-dichloro-2-methoxy,2-ethoxy, 1-methyl,2-oxoethylester (

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22

Sekar, M., and K. J. Rajendra Prasad. "A Facile Synthesis of Naphthyl-Quinolyl Ethanes and Chromenyl-Quinolyl Ethanes." Zeitschrift für Naturforschung B 54, no. 6 (1999): 811–14. http://dx.doi.org/10.1515/znb-1999-0617.

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The reaction of alkaline 2,4-dihydroxyquinoline 1 and 1-tetralone 2 in 2% sodium hydroxide solution with vinyl acetate afforded a brown solid 3, which on treatment with phosphorous oxychloride yielded 2,4-dichloro-3-[l’-(l-chloro-naphth-2-yl)ethyl]quinoline (4). The same reaction of 1 and chromanone 7 with vinyl acetate afforded 2,4-dichloro-3-[l’-(4-chloro- 2-methyl-chromen-3-yl)ethyl]quinoline (9)

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23

Barth, B., M. Dierich, G. Heinisch, et al. "Pyridazino[3,4-b][1,5]Benzoxazepin-5(6H)-ones: Synthesis and Biological Evaluation." Antiviral Chemistry and Chemotherapy 7, no. 6 (1996): 300–312. http://dx.doi.org/10.1177/095632029600700603.

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Starting from 3,6-dichloro-4-pyridazinecarboxylic acid chloride a series of novel pyridazino[3,4- b][1,5]benzoxazepin-5(6 H)-ones as 1,2-diazine isosters of nonnucleoside reverse transcriptase inhibitors was prepared via N-(2-hydroxyphenyl)-3,6-dichloro-4-pyridazinecarboxamides. The inhibition of HIV-1 reverse transcriptase was evaluated.

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24

Jasinski, Jerry P., Ray J. Butcher, Anil N. Mayekar, B. Narayana, and H. S. Yathirajan. "(2E)-3-(3,5-Dichloro-4-methoxy-2,6-dimethylphenyl)-1-(2,4-dichlorophenyl)prop-2-en-1-one." Acta Crystallographica Section E Structure Reports Online 63, no. 11 (2007): o4229—o4230. http://dx.doi.org/10.1107/s1600536807047654.

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In the title molecule, C18H14Cl4O2, the angle between the mean planes of the 3,5-dichloro-4-methoxy-2,6-dimethylphenyl and 2,4-dichlorophenyl groups is 47.6 (2)°. The 4-methoxy group, with a torsion angle of 91.9 (9)°, is twisted away from the plane of the 3,5-dichloro-2,6-dimethylphenyl ring in an anticlinal conformation. The ketone O atom of the prop-2-en-1-one group is twisted in a synclinal conformation with the 2,4-dichlorophenyl group [torsion angle = 45.5 (11)°]. The crystal packing is stabilized by intermolecular C—H...O hydrogen bonding between the ketone O atom from the prop-2-en-1-o

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25

Goryachkina, A. A., V. A. Ermokhin, and P. P. Purygin. "SYNTHESIS OF N-NITROPHENYL DERIVATIVES OF 1-ADAMANTYL-CONTAINED AMIDES." Vestnik of Samara University. Natural Science Series 18, no. 3.1 (2017): 132–36. http://dx.doi.org/10.18287/2541-7525-2012-18-3.1-132-136.

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26

Utkin, I., D. D. Dalton, and J. Wiegel. "Specificity of Reductive Dehalogenation of Substituted ortho-Chlorophenols by Desulfitobacterium dehalogenans JW/IU-DC1." Applied and Environmental Microbiology 61, no. 4 (1995): 1677. http://dx.doi.org/10.1128/aem.61.4.1677-1677c.1995.

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Volume 61, no. 1, abstract, lines 4 and 5: "2,6-dichloro-4-R-phenols, where . . ." should read "2,6-dichloro-4-R-phenols (2,6-DCl-4-RPs, where R is -H, -F, -Cl, -NO(inf2), -CO(inf2)(sup-), or -COOCH(inf3)) . . ." Line 6: ". . . bromophenols (2-BrP, 2,6-DBrP, and 2-Br-4ClP)" should read ". . . the bromophenols 2-BrP, 2,6-DBrP, and 2-Br-4-ClP." [This corrects the article on p. 346 in vol. 61.].

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27

Sabo, T., D. Kut, M. Kut, M. Onysko, and V. Lendel. "TELLURO-INDUCED CYCLISATION 2-(BUT-2-ENYLTHIO)QUINOLINECARBALDEHYDE AND QUINOLINE-4-ONE." Scientific Bulletin of the Uzhhorod University. Series «Chemistry» 48, no. 2 (2023): 73–78. http://dx.doi.org/10.24144/2414-0260.2022.2.73-78.

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Aryltellurium trichlorides have proven themselves as good cyclizing reagents in electrophilic intramolecular cyclization reactions, mainly of propenyl derivatives of heterocycles. On the other hand, information on the use of butenyl derivatives in reactions with p-alkoxyphenyltellurtrichlorides is limited. In this work, the regioselectivity of the process of electrophilic intramolecular cyclization of but-2-enyl thioethers of quinoline-3carbaldehyde and quinazolin-4-one with p-methoxyphenyltellurium trichloride was investigated. It was established that, as a result of the tellurium-induc

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28

Kabak, M., Y. Elerman, V. Güner, S. Yildirir, and T. N. Durlu. "3,3-Dichloro-1-(p-chlorophenyl)-4-(p-methoxyphenyl)-2-azetidinone." Acta Crystallographica Section C Crystal Structure Communications 55, no. 12 (1999): 2115–17. http://dx.doi.org/10.1107/s0108270199012093.

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29

Fun, Hoong-Kun, Chin Sing Yeap, A. M. Vijesh, Arun M. Isloor, and P. K. Vasudeva. "2-Dibutylamino-1-(2,7-dichloro-9H-fluoren-4-yl)ethanol." Acta Crystallographica Section E Structure Reports Online 66, no. 10 (2010): o2624—o2625. http://dx.doi.org/10.1107/s1600536810037566.

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30

Sun, Na-Bo, De-Long Shen, Guo-Wu Rao, Cheng-Xia Tan, and Jian-Quan Weng. "3-[2,2-Dichloro-1-(4-ethoxyphenyl)cyclopropanecarbonyl]oxazolidin-2-one." Acta Crystallographica Section E Structure Reports Online 62, no. 6 (2006): o2123—o2124. http://dx.doi.org/10.1107/s1600536806014735.

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31

Luo, Yi, Ping Zhong, and Maolin Hu. "5-Amino-1-(2,6-dichloro-4-nitrophenyl)pyrazole-3-carbonitrile." Acta Crystallographica Section E Structure Reports Online 63, no. 10 (2007): o4077. http://dx.doi.org/10.1107/s1600536807044509.

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32

Suresh, J., S. Karthik, and A. Arun. "Photocrosslinkable polymer based on 4-(3-(2,4-dichlorophenyl)-3-oxoprop-1-enyl) phenylacrylate: synthesis, reactivity ratio, and crosslinking studies." Materials Science-Poland 34, no. 4 (2016): 834–44. http://dx.doi.org/10.1515/msp-2016-0117.

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AbstractThe acrylate monomer was synthesized by two step process. 2,4-dichloro-1-ene(4-hydroxyphenyl)phenone (DHP) was synthesized using 4-hydroxy benzaldehyde and 2,4-dichloro acetophenone. 4-[3-(2,4-dichloro-phenyl)3-oxoprop-1-en-1-yl]phenylacrylate (DCP) was prepared by reacting DHP with acryloyl chloride. The synthesized monomer was copolymerized with 2-hydroxyethyl acrylate and styrene using solution polymerization technique. Monomer and polymers were characterized by IR, NMR and UV techniques. The average molecular weight of the polymer was around 4000 g/mol. First and second decompositi

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33

Hu, Huanan, Anjiang Zhang, Lisheng Ding, Xinxiang Lei, and Lixue Zhang. "Regioselective Synthesis of 1-(2,6-Dichloro-4-Trifluoromethylphenyl)- 4-Alkyl-1H-[1,2,3]-Triazoles." Molecules 13, no. 3 (2008): 556–66. http://dx.doi.org/10.3390/molecules13030556.

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34

Zhang, Xiao-Hong, Ping Zhong, Hong-Ping Xiao, and Mao-Lin Hu. "1-[2,6-Dichloro-4-(trifluoromethyl)phenyl]-5-(4-methoxyphenylsulfonamido)-1H-pyrazole-3-carbonitrile." Acta Crystallographica Section E Structure Reports Online 61, no. 7 (2005): o2134—o2135. http://dx.doi.org/10.1107/s160053680501812x.

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35

Zhong, Ping, Xiao-Hong Zhang, Hong-Ping Xiao, and Mao-Lin Hu. "1-[2,6-Dichloro-4-(trifluoromethyl)phenyl]-5-(4-methylphenylsulfonamido)-1H-pyrazole-3-carbonitrile." Acta Crystallographica Section E Structure Reports Online 62, no. 2 (2006): o513—o515. http://dx.doi.org/10.1107/s1600536806000250.

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36

Qasid, Muhammad, Ayaz Ahmad, and Talal Ahmed. "REVIEW ANALYSIS ON SYNTHESIS, ENZYME INHIBITION AND HEMOLYTIC STUDY OF NOVEL ACETAMIDE DERIVATIVES." Journal of Technology & Innovation 4, no. 1 (2024): 01–10. https://doi.org/10.26480/jtin.01.2024.01.10.

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The synthesis of 2- (2,4-dichloro-6-{[4-(2-furoyl)-1-piperazine]sulfonyl}phenoxy)-N-(aryl) acetamides was carried out under the controlled conditions as mentioned in the scheme. In the first step, the nucleophile is formed by reacting the calculated amount of N-(2-furoyl) piperazine (1) with 3,5-dichloro-2-hydroxybenzenesulfonylchloride (2) in the presence of an aqueous solution of sodium carbonate and stirred for three hours at room temperature to produce{4-[(3,5-dichloro-2-hydroxyphenyl)sulfonyl]-1-piperazinyl}(2-furoyl)methanone (3). In the parallel set of reactions, electrophile was prepar

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37

SALUJA, S., R. ZOU, J. C. DRACH, and L. B. TOWNSEND. "ChemInform Abstract: Structure-Activity Relationships Among 2-Substituted 5,6-Dichloro-, 4, 6-Dichloro-, and 4,5-Dichloro-1-((2-hydroxyethoxy)methyl)- and -1-((1, 3-dihydroxy-2-propoxy)methyl)benzimidazoles." ChemInform 27, no. 23 (2010): no. http://dx.doi.org/10.1002/chin.199623124.

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38

Shikhaliyev, Namig, Ayten Qajar, G. T. Atakishiyeva, et al. "The structural properties of dichlorodiazadienes synthesized based on 4-methylbenzaldehyde." UNEC Journal of Engineering and Applied Sciences 5, no. 1 (2025): 96–114. https://doi.org/10.61640/ujeas.2025.0511.

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Dichlorodiazadienes were synthesized based on 4-methylbenzaldehyde, the structures of some compounds were confirmed via the X-ray method and a series of crystallographic properties, the role of non-covalent interactions in the forming of crystal, and (using Hirshfeld surface analysis) intermolecular interactions were studied. It was determined that as the result of the impact of nitro-group on the direction of the reactions of (E)-1-(4-methylbenzylydene)-2-(4-nitrophenyl)-hidrazone with CCl4 and CBr4, reaction by-products E)-1-(4-nitrophenyl)-2-(1,1,1-trichloro-2-methylpropan-2-yl)diazene, (Z)

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39

Akkurt, Mehmet, Namiq Q. Shikhaliyev, Gulnar T. Suleymanova, et al. "Crystal structures and Hirshfeld surface analyses of the two isotypic compounds (E)-1-(4-bromophenyl)-2-[2,2-dichloro-1-(4-nitrophenyl)ethenyl]diazene and (E)-1-(4-chlorophenyl)-2-[2,2-dichloro-1-(4-nitrophenyl)ethenyl]diazene." Acta Crystallographica Section E Crystallographic Communications 75, no. 8 (2019): 1199–204. http://dx.doi.org/10.1107/s2056989019010004.

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In the two isotypic title compounds, C14H8BrCl2N3O2, (I), and C14H8Cl3N3O2, (II), the substitution of one of the phenyl rings is different [Br for (I) and Cl for (II)]. Aromatic rings form dihedral angles of 60.9 (2) and 64.1 (2)°, respectively. Molecules are linked through weak X...Cl contacts [X = Br for (I) and Cl for (II)], C—H...Cl and C—Cl...π interactions into sheets parallel to the ab plane. Additional van der Waals interactions consolidate the three-dimensional packing. Hirshfeld surface analysis of the crystal structures indicates that the most important contributions for the crystal

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40

Li, Shu-Yan, Ping Zhong, and Mao-Lin Hu. "4-Chloro-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5-(4-methylbenzylideneamino)-1H-pyrazole-3-carbonitrile." Acta Crystallographica Section E Structure Reports Online 62, no. 6 (2006): o2113—o2114. http://dx.doi.org/10.1107/s1600536806015157.

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41

Yang, Zhiping, and Shuyan Li. "4-Bromo-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5-(4-nitrobenzylideneamino)-1H-pyrazole-3-carbonitrile." Acta Crystallographica Section E Structure Reports Online 64, no. 3 (2008): o645. http://dx.doi.org/10.1107/s160053680800545x.

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42

Zhu, Guohui, Shuyan Li, and Zhiping Yang. "4-Bromo-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5-(4-methoxybenzylideneamino)-1H-pyrazole-3-carbonitrile." Acta Crystallographica Section E Structure Reports Online 64, no. 3 (2008): o646. http://dx.doi.org/10.1107/s1600536808005539.

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43

Pokotylo, Ihor O., Pavlo V. Zadorozhnii, Vadym V. Kiselev, Oxana V. Okhtina, and Aleksandr V. Kharchenko. "Some New Heterocyclisations Based on N-(2,2-dichloro-1-isothiocyanatoethyl)benzamide Derivatives." Acta Chemica Iasi 27, no. 1 (2019): 65–72. http://dx.doi.org/10.2478/achi-2019-0005.

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Abstract Based on the readily available N-(2,2-dichloro-1-(2-(4-methylbenzoyl)-hydrazine-1-carbothioamido)ethyl)benzamide, the corresponding N-(2,2-dichloro-1-((5-(p-tolyl)-1,3,4-oxadiazol-2-yl)amino)ethyl)benzamide and 5-(p-tolyl)-1,3,4-thiadiazol-2-amine were obtained. The products were received in acceptable yields and were isolated from the reaction mixture without any particular difficulty. The structure of the compounds obtained was confirmed by 1H, 13C NMR spectroscopy and mass spectrometry data.

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Leonhardt, Thomas, and Hans Peter Latscha. "Photochemische Synthese neuer zinnorganischer Verbindungen mit „aktiven“ Gruppen am Zinnatom (I) / Photochemical Synthesis of New Tinorganic Compounds with Active Substituents on Tin." Zeitschrift für Naturforschung B 52, no. 1 (1997): 25–29. http://dx.doi.org/10.1515/znb-1997-0105.

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By photochemically induced oxidative addition reactions the synthesis of some new tinorganic compounds was achieved. The reaction of dichloro-and diiodotin with 1,2-diiodobenzene (1) induced by ultraviolet radiation led to bis-(1-iodophenyl)diiodotin (2), bis-(1-iodophenyl)dichlorotin (3), 1 -iodo-2-(trichlorotin)benzene (4) and 1-iodo-2-(triiodotin)benzene (5). Iodosubstitution at the tin atom was also observed when dichlorotin was used as the starting compound. Analogous experiments with 1,2-dibromobenzene (6) and 1,2-dichloro-(7) gave no products

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Dhanasekaran, V., D. Gayathri, D. Velmurugan, K. Ravikumar, and M. S. Karthikeyan. "2,3-Dibromo-3-(4-chlorophenyl)-1-(2,4-dichloro-5-fluorophenyl)propan-1-one." Acta Crystallographica Section E Structure Reports Online 63, no. 5 (2007): o2493—o2494. http://dx.doi.org/10.1107/s1600536807017357.

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46

Poppleton, B. J. "Structural chirality of the insecticide (−)-2,2-dichloro-1-(4-ethoxyphenyl)-1-cyclopropanecarboxylic acid." Acta Crystallographica Section C Crystal Structure Communications 42, no. 7 (1986): 879–81. http://dx.doi.org/10.1107/s0108270186094209.

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47

Kobelevskaya, V. A., S. V. Zinchenko, and A. V. Popov. "2,2-dichlorovinulketones-based 5-chloro-3-styryl-1<i>H</i>-pyrazoles synthesis." Журнал органической химии 59, no. 6 (2023): 772–80. http://dx.doi.org/10.31857/s0514749223060058.

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Condensation of 4,4-dichlorobut-3-en-2-one with aromatic aldehydes in the presence of catalytic amounts of sulfuric acid leads to the formation of 1,1-dichloro-5-(4-R-phenyl)penta-1,4-diene-3-ones. The reaction of 1,4-dien-3-ones with hydrazines proceeds chemo- and regioselectively under mild conditions with the formation of ( E )-1-methyl-3-styryl-5-chloro-1 H -pyrazoles with a yield reaching 81%. 4-Bromo-1,1-dichloro-5-(4-methoxyphenyl)penta-1,4-dien-3-one reacts with dimethylhydrazine to give 3-[1-bromo-2-(4-methoxyphenyl)vinyl]-5chloro-1-methyl-1 H -pyrazole, which in the presence of KF in

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48

Şahin, Neslihan, Christophe Gourlaouen, and David Sémeril. "Effect of the Positioning of Metal Centers on a Cavitand in the Ruthenium-Catalyzed N-Alkylation of Amines." Molecules 30, no. 4 (2025): 951. https://doi.org/10.3390/molecules30040951.

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Two bis-ruthenium(II) complexes, namely N,N′-{5,17-diamino-4(24),6(10),12(16),18(22)-tetramethylenedioxy-2,8,14,20-tetrapentylresorcin[4]arene}-bis-[dichloro-(p-cymene)-ruthenium(II)] (1) and N,N′-{5,11-diamino-4(24),6(10),12(16), 18(22)-tetramethylenedioxy-2,8,14,20-tetrapentylresorcin[4]arene}-bis-[dichloro-(p-cymene)-ruthenium(II)] (2) were synthesized and tested as catalysts in the N-alkylation of primary amines with arylmethyl alcohol using the green “hydrogen borrowing” methodology. The catalytic results were compared with those obtained when the N-{5-amino-4(24),6(10),12(16),18(22)-tetr

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K., Prabhavathi K. Chandra Rekha. "Analytical Method Development for Assay of Omeprazole in Bulk and Pharmaceutical preparations." International Journal of Pharmaceutical Sciences 2, no. 8 (2024): 2593–98. https://doi.org/10.5281/zenodo.13220458.

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 A simple, rapid and accurate spectrophotometric method was developed for the determination of omeprazole in pure form and pharmaceutical formulations. The charge-transfer interaction between omeprazole as electron and 2,3-dichloro-5,6-dicyano-p-benzoquinone  as pi-electron In the present study omeprazole reated with 2, 3-dichloro-5, 6-dicyano-1, 4-benzquinone to form an orange red colour charge–transfer complex which has maximum absorption at 460 nm against reagent blank.Beer's law is obeyed in the concentration range of 20-100 μg/ml. The proposed method was precise, accura

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B., D. Mistry, R. Desai K., and M. Intwala S. "Synthesis of some biologically active pyrimidine and isoxazole derivatives." Journal of Indian Chemical Society Vol. 91, Dec 2014 (2014): 2263–69. https://doi.org/10.5281/zenodo.5746501.

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Department of Chemistry, B. K. M. Science College, Valsad-396 001, Gujarat, India <em>E-mail</em> : bhavana_mistry11@yahoo.co.in <em>Manuscript received 04 July 2012, revised 07 July 2014, accepted 10 July 2014</em> 4-(2,5-Dichloro-3-thienyl)-6-substitutedphenylpyrimidine-2(1<em>H</em>)-thione (2a-j), 3-(2,5-dichloro-3-thienyl)-5- substitutedphenyl-4,5-dihydroisoxazole (3a-j) have been synthesized by the reaction of (2<em>E)</em>-1-(2,5-dichloro-3-thienyl)-3- substitutedphenylprop-2-en-1-one (1) with thiourea and hydoxylamine hydrochloride respectively. These compounds have been screened for t

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