Výsledky vyhledávání - "Krunal G. Desai"

Akademický článek

Microwave-induced and conventional heterocyclic synthesis: An antimicrobial entites of newer quinazolinyl-Δ2-pyrazolines

Autor: Krunal G. Desai, Jiten I. Naik, Jignesh P. Raval, Kishor R. Desai

Publikováno v: Arabian Journal of Chemistry, Vol 7, Iss 5, Pp 597-603 (2014)

Heterocyclic compounds containing pyrazolines were reported to possess significant biological activity. Synthesis of 2-(ω-chloroacetonyl)-3-p-fluorophenyl-6-bromoquinazoline-4(3H)-ones (2), 2-(ω-hydrazinoacetonyl)-3-p-fluorophenyl-6-bromoquinazolin

Externí odkaz: https://doaj.org/article/51136757b64d44169653c8c1623587db

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Akademický článek

Esterification and hydrolysis under microwave irradiation

Autor: Krunal G. Desai, Kishor R. Desai

Publikováno v: Molbank, Vol 2006, Iss 3, p M477 (2006)

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Externí odkaz: https://doaj.org/article/8b7d79431bc642a5804654d5949e99da

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Akademický článek

Microwave assisted esterification using Fe2(SO4)3.4H2O/concentrated H2SO4 as efficient catalyst

Autor: D. Padmanabhan, Krunal G. Desai, Kishor R. Desai

Publikováno v: Molbank, Vol 2006, Iss 3, p M478 (2006)

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Externí odkaz: https://doaj.org/article/6190b706ae694d63a6c293dcabe887d0

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Microwave synthesis, characterization and antimicrobial study of new pyrazolyl-oxopropyl-quinazolin-4(3H)-one derivatives

Autor: Jignesh P. Raval, Krunal G. Desai, Kishor R. Desai

Publikováno v: Journal of Saudi Chemical Society. 16:387-393

Heterocyclic compounds containing pyrazolyl-oxopropyl-quinazolin-4(3 H )-one are reported to possess significant biological activity. Syntheses of 6-bromo-2-(3-chloro-2-oxopropyl)-3-(4-fluorophenyl)quinazolin-4(3 H )-one 2 6-bromo-3-(4-fluorophenyl)-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5779c7c1e604202a802fb7a1a59a18a7
https://doi.org/10.1016/j.jscs.2011.02.003

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Green route for the heterocyclization of 2-mercaptobenzimidazole into β-lactum segment derivatives containing –CONH– bridge with benzimidazole: Screening in vitro antimicrobial activity with various microorganisms

Autor: Krunal G. Desai, Kishor R. Desai

Publikováno v: Bioorganic & Medicinal Chemistry. 14:8271-8279

The efficient and rapid synthesis of novel azetidin-2-ones 4a-j has been established. Thus, both microwave and conventional condensation 2-{(1H-benzimidazol)-ylthio}-N'-2-(substituted phenyl) hydrazide with chloroacetylchloride were carried out in DM

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54a81470b68e256aa900ec1c01ecb842
https://doi.org/10.1016/j.bmc.2006.09.017

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Neat reaction technology for the synthesis of 4-oxo-thiazolidines derived from 2-SH-benzothiazole and antimicrobial screening of some synthesized 4-thiazolidinones

Autor: Kishor R. Desai, Krunal G. Desai, Jignesh P. Raval

Publikováno v: Journal of the Iranian Chemical Society. 3:233-241

The synthesis of 4-thiazolidinones 4a-j in a good yields from the heterocyclization reaction of 2-(benzothiazol-2-ylthio)-N’-benzylideneacetohydrazide 3a-j with SHCH2COOH in DMF in the presence of a catalytic amount of anhydrous ZnCl2 under microwa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1ca67fc3f3196906d1f3f016bf4cd26
https://doi.org/10.1007/bf03247213

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A facile microwave enhanced synthesis of sulfur-containing 5-membered heterocycles derived from 2-mercaptobenzothiazole over ZnCl2/DMF and antimicrobial activity evaluation

Autor: Kishor R. Desai, Krunal G. Desai

Publikováno v: Journal of Sulfur Chemistry. 27:315-328

An efficient and extremely fast procedure for the synthesis of 4-thiazolidinones 4a–j by the reaction of arylidene-[(2-benzothiazolylthio)-acetamidyl] 3a–j with thioglycolic acid in DMF in the presence of a catalytic amount of anhydrous ZnCl 2 un

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::15fa08a1877961b37a1964e6e90c9286
https://doi.org/10.1080/17415990600786409

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Microbial screening of novel synthesized formazans having amide linkagesΦ

Autor: Kishor R. Desai, Krunal G. Desai

Publikováno v: Journal of Heterocyclic Chemistry. 43:1083-1089

Formazans 5(a-j) have been prepared by the condensation between schiff base 3 and diazonium salt of substituted 2-amino benzothiazole 4(a-j). The intermediate schiff base 3 was synthesized by the condensation of p-nitrobenzolyhydrazide 1 with thiophe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::376ed9dfe08f4d9cac6746dbcdbd1e64
https://doi.org/10.1002/jhet.5570430440

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Microwave Enhanced Heterocyclization: A Convenient Procedure for Antimicrobial 1,5-Benzothiazepine Compounds

Autor: Krunal G. Desai, Kishor R. Desai

Publikováno v: ChemInform. 38

A series of 2,5-dihydro-4-[1'-(o-chlorophcnyl)-3'-methyl-5'-pyrazolidene azomethine]-2-(substituted phenyl)-1,5 benzothiazepines 7a-j have been synthesized using environmentally benign procedure and evaluated for their antimicrobial activity. Neat re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7fb8da58c027c0f179c0883569e42a83
https://doi.org/10.1002/chin.200747171

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Esterification and hydrolysis under microwave irradiation

Autor: Kishor R. Desai, Krunal G. Desai

Publikováno v: Molbank, Vol 2006, Iss 3, p M477 (2006)

p-methoxy benzoicacid 1 (1.67 g, 0.01 mole) and catalytic amount of conc. H2SO4 (2-3 drops) in absolute methanol (30 mL) was taken in RBF placed in a microwave oven and irradiated (400w, 61-62oC) for 2.5 min [1].[...]

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9e6bb21e7cf0be963e34c5eb5b47c62
http://www.mdpi.com/1422-8599/2006/3/M477/

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