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Synthesis, anti-inflammatory and antimicrobial evaluation of novel 1-acetyl-3,5-diaryl-4,5-dihydro (1H) pyrazole derivatives bearing urea, thiourea and sulfonamide moieties.

Abstract：

:A series of novel 1-acetyl-3-(3,4-dimethoxypheny)-5-(4-(3-(arylureido/arylthioureido/arylsulfonamido) phenyl)-4,5-dihydropyrazole derivatives of biological interest have been prepared by sequential cyclization of 1-(4-nitrophenyl)-3-(3,4-dimethoxyphenyl)-pro-2-ene-1 with hydrazine hydrate, reduction followed by reaction of resulting amine with different arylisocyanates or arylisothiocyanates or arylsulfonyl chlorides. All the synthesized compounds (1-32) have been screened for their pro-inflammatory cytokines (TNF-α and IL-6) and antimicrobial activity (antibacterial and antifungal). Biological evaluation study showed, the compounds 4, 5, 9, 11, 14 and 16 found to have promising anti-inflammatory activity (up to 61-85% TNF-α and 76-93% IL-6 inhibitory activity) at concentration of 10 μM with reference to standard dexamethasone (76% TNF-α and 86% IL-6 inhibitory activity at 1 μM). Compounds 24, 26, 27, 28 and 29 exhibited promising antimicrobial activity at MIC values ranging from 70 to 10 μg/mL against all the selected pathogenic bacteria and fungi.

journal_name

Bioorg Med Chem Lett

journal_title

Bioorganic & medicinal chemistry letters

authors

Keche AP,Hatnapure GD,Tale RH,Rodge AH,Kamble VM

doi

10.1016/j.bmcl.2012.08.118

subject

Has Abstract

pub_date

2012-11-01 00:00:00

pages

6611-5

issue

21

eissn

0960-894X

issn

1464-3405

pii

S0960-894X(12)01129-8

journal_volume

22

pub_type

杂志文章

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