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Relevant bibliographies by topics / Phenyl compounds – Derivatives

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Journal articles

Academic literature on the topic 'Phenyl compounds – Derivatives'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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Journal articles on the topic "Phenyl compounds – Derivatives"

1

Athraa H Mekky and Sajida M Thamir. "Synthesis, characterisation and antibacterial evaluation of some novel 1-phenyl-1h-tetrazole-5-thiol derivatives." International Journal of Research in Pharmaceutical Sciences 10, no. 2 (2019): 1136–42. http://dx.doi.org/10.26452/ijrps.v10i2.394.

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The aim of the study is to synthesise and. Characterize — some novel, "tetrazole., -5-thiol” derivatives. Firstly, the “1-phenyl-1H7-tetrazole-5-thiol” (A1) has been., synthesised by the reaction of phenylisothiocyanate with NaN3 in water as a solvent. Secondly, the tetrazole-5-thiol derivatives (A2-A4) were synthesised by the alkylation reaction of the compound (A1) with chloroacetone, phenacyl bromide and chloromethyl acetate respectively. The resulted percentage yield was relatively high (92%, %95, %90 respectively). Compound (A5) was synthesised by the reaction of ethyl acetate tetrazole d

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2

Farah Smaysem and Ahmed Salim. "Synthesis and Characterization of Some Heterocyclic Compounds and Evaluation of Antibacterial Activity." International Journal of Research in Pharmaceutical Sciences 11, SPL4 (2020): 2068–78. http://dx.doi.org/10.26452/ijrps.v11ispl4.4421.

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In this study, heterocyclic compounds with two nitrogen atoms are prepared by reaction of 2-aminobenzimidazole with formic acid to get amide derivatives (A), reacts with phenylhydrazine to get phenyl hydrazone derivatives (B), reacts with ethyl chloroacetate to obtain ethyl acetate derivatives (C). The derivative (D) obtains on heating in a basic medium. The (B) reacts with 2-chloroacetyl chloride to give derivatives (E). A number of Schiff bases are prepared (F, I) from reacting 2-aminobenzimidazole with benzaldehyde derivatives. The(F) reacts with propargyl bromide to give propargyl bromide

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3

A. Abdulqader, Kany, Ahmed W. Naser, Muthanna S. Farhan та Sabah J. Salih. "Synthesis, Characterization and Cytotoxic Activity of some new 1,2,3-Triazole, Oxadiazole and Aza- β-lactam Derivatives". Oriental Journal of Chemistry 34, № 5 (2018): 2350–60. http://dx.doi.org/10.13005/ojc/340516.

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A series of 1,2,3-triazole, oxadiazole and aza-β-lactam derivatives were synthesized through consecutive reaction began from o-(N-propargyl) sulfonamido benzoic acid (1a). The reaction of (1a) with absolute ethanol in the presence of concentrated H2SO4 resulted in the formation of ester derivative (2a). The product of the previous reaction was reacted with 80% hydrazine hydrate to prepare benzohydrazide derivative (3a). 1,3,4-oxadiazole compound (4a) was obtained by condensation of compound (3a) with CS2 in presence KOH . Compound (3a) react with Phenyl isocyanates to give Carboxamide derivati

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4

Danilenko, Nadezhda, Vladimir Shmalyuk, and Andrei Khlebnikov. "2-(2-(Fluorosulfonyloxy)phenyl)benzoxazole." Molbank 2021, no. 3 (2021): M1242. http://dx.doi.org/10.3390/m1242.

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The fluorosulfate derivatives of benzoxazole attract attention since benzoxazole-based compounds have a wide range of biological activities, and the ability of the –SO2F group to react with various functional groups makes it possible to synthesize various new derivatives. The new 2-(2-(fluorosulfonyloxy)phenyl)benzoxazole (2) has been synthesized by the SuFEx click reaction in a two-chamber reactor. Compound 2 is the first example of a benzoxazole derivative with a fluorosulfate-containing substituent at position two of the benzoxazole heterocycle. The anti-cancer potency of 2 was evaluated in

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5

Erdem, Ahmet, Hasan Genc, Nejdet Sen, Rafet Kilincarslan, and Emin Erdem. "The Synthesis and Reactions of Novel Pyrazole Derivatives by 4-phenylcarbonyl-5-phenyl-2,3-dihydro-2,3-furandione Reacted with Some Hydrazones." Revista de Chimie 68, no. 1 (2017): 143–46. http://dx.doi.org/10.37358/rc.17.1.5407.

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We report some novel pyrazole derivatives taking 4-phenylcarbonyl-5-phenyl-2,3-dihydro-2,3-furandione, 1. For this, 4-phenylcarbonyl-5-phenyl-2,3-dihydro-2,3-furandione, 1 was reacted with benzaldehyde(2- or 4-fluorophenyl)hydrazone to give 4-benzoyl-1-(2- or 4-fluorophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid 2a,b. Pyrazol derivative containing 2-fluorophenyl group 2a was converted into carboxylic chloride derivative 3a by thionyl chloride and then the compound 4a was obtained from reaction ammonia with compound 3a. In the next step, 4-benzoyl-1-(2-fluorophenyl)-5-phenyl-1H-pyrazole-3-carb

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6

Hishmat, O. H., S. S. Mabrouk, A. M. M. Nasef, N. M. A. Shayeb, and S. A. Ismail. "Derivatives of Khellinonequinone and their Aflatoxigenic Activity." Zeitschrift für Naturforschung B 43, no. 3 (1988): 343–46. http://dx.doi.org/10.1515/znb-1988-0318.

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Nitration of khellinone leads to the formation of a small amount of 3-nitrokhellinone and 5-acetyl-6-hydroxybenzofuran-4.7-dione (khellinonequinone) as a main product. The latter compound reacts with primary amines to give the corresponding imino compounds. Reaction of khellinone with o-phenylenediamine involves condensation followed by cyclisation. While on the other hand treating with phenyl hydrazines gives the phenyl hydrazone. The pyrazolobenzofuran derivative was obtained by the action of hydrazine hydrate on khellinonequinone. Finally the reaction with malononitrile leads to the formati

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7

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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8

Yoon, Goo, Seung Hoon Cheon, Jung Hyun Shim, and Seung Sik Cho. "Design and Evaluation of Licochalcone A Derivatives as Anticancer Agents." Natural Product Communications 13, no. 6 (2018): 1934578X1801300. http://dx.doi.org/10.1177/1934578x1801300609.

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New derivatives of licochalcone A were synthesized and evaluated for their potential anticancer activities. Compounds 6 (( E)-N-(4-(3-(5-bromo-4-hydroxy-2-methoxy phenyl) acryloyl) phenyl)-4-isopropylbenzamide) and 8 (1-(3-dimethylamino-phenyl)-3-(2-trifluoromethyl-phenyl)-propenone) showed potent activity against the screened cancer cell lines with that of compound 6 ranging from 6.9 ± 0.2 μM to 22.9 ± 3.1 μM, and that of compound 8 from 4.2 ± 0.5 μM to 11.8 ± 0.7 μM. Both compounds showed stronger cytotoxicity than that of licochalcone A. These two candidates have very different substituents

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9

Ho, Boon Kui, Zainab Ngaini, Paul Matthew Neilsen, et al. "Synthesis and Anticancer Activities of 4-[(Halophenyl)diazenyl]phenol and 4-[(Halophenyl)diazenyl]phenyl Aspirinate Derivatives against Nasopharyngeal Cancer Cell Lines." Journal of Chemistry 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/6760413.

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Aspirin and azo derivatives have been widely studied and have drawn considerable attention due to diverse biological activities. In this study, a series of 4-[(halophenyl)diazenyl]phenyl aspirinate derivatives were synthesized from the reaction of aspirin with 4-[(halophenyl)diazenyl]phenol via esterification, in the presence of DCC/DMAP in DCM with overall yield of 45–54%. 4-[(Halophenyl)diazenyl]phenol was prepared prior to esterification from coupling reaction of aniline derivatives and phenol in basic solution. All compounds were characterized using elemental analysis, FTIR, and 1H and 13C

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10

Hafez, Hend N., and Abdel-Rahman B. A. El-Gazzar. "Synthesis of Novel Pyridine Bearing Biologically Active Imidiazolyl, Pyrazolyl, Oxa/thiadiazolyl and Urea Derivatives as Promising Anticancer Agents." Current Organic Synthesis 17, no. 1 (2020): 55–64. http://dx.doi.org/10.2174/1570179417666191223163225.

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Background: A novel series of pyridine containing 1,3,4-oxa/thiadiazol derivatives 4a,b, pyrazole derivatives 5-7, thiazole derivatives 9a,b and 17a-c, urea derivatives 12a-c, imidiazole derivative 16, imidazo[1,2-a]pyridine derivatives 18a, b, tetrazole 19, pyrane 20 and pyridine derivatives 21 has been synthesized. Objective: This research aims to synthesize 6-(Trifluoromethyl)-2-[3-(trifluoromethyl)phenyl] amino nicotinohydrazide 2 and 6-(trifluoromethyl)-2-[3-(trifluoromethyl)phenyl]amino pyridin-3-carboaldhyde 15 as key intermediate for the synthesis of novel pyridine derivatives bearing

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