4.7 Article

Pyrazoline bearing benzimidazoles: Search for anticancer agent

期刊

EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 45, 期 1, 页码 114-119

出版社

ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2009.09.032

关键词

Pyrazoline; Benzimidazole; Anticancer activity; Antiproliferative activity; NCI

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2-acetyl benzimidazole was allowed to react with substituted aromatic aldehydes to get desired intermediate chalcones (2a-g), the cyclocondensation of these intermediates with hydrazine hydrate and phenyl hydrazine in two separate reactions yielded pyrazoline derivatives (3a-g & 4a-g respectively). Among the synthesize compounds, six compounds were granted NSC code and screened at National Cancer Institute (NCI), USA for anticancer activity at a single high dose (10(-5) M) in full NCI 60 cell panel. Among the selected compounds, (4f) 2-[5-(3,4-dimethoxyphenyl)-1-phenyl-4,5-dihydro-1H-3-pyrazolyl]-1H-benzimidazole (NSC 748326) was found to be the most active candidate of the series and selected for further evaluation at five dose level screening. (C) 2009 Elsevier Masson SAS. All rights reserved.

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