Synthesis and biological activity of 2-(3-carboxy phenyl)-5-(4-substituted phenyl)-1-acetyl-2-pyrazolines

被引:0
作者
Havaldar, Freddy H. [1 ]
Khatri, Navinchandra K. [1 ]
机构
[1] St Xavier Coll, Dept Chem, NSR Lab, Bombay 400001, Maharashtra, India
关键词
synthesis; pyrazolines; antibacterial; antifungal activity;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
3-Aminoacetophenone was diazotized and reacted with sodium cyanide to yield 3-cyano acetophenone (1). 3-Cyano acetophenone was treated with conc. sulphuric acid to obtain 3-carboxy acetophenone (2) which on condensation with various aromatic aldehydes in hydrotopes afforded substituted chalcones (3a-e). The chalcones (3a-e) on cyclization with hydrazine hydrate in glacial acetic acid furnished 2-(3-carboxy phenyl)-5-(4-substituted phenyl)-1-acetyl-2-pyrazolines (4a-e). The constitution of the products was supported by IR, NMR, Mass spectral data and elemental analysis. All the compounds synthesized have been screened for their biological activity.
引用
收藏
页码:5093 / 5097
页数:5
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