New functionalized pyrazolines from 1-aroyl-2-phenylacetylenes and thiocarbonohydrazides

被引：0

作者：

Dvorko M.Yu. ^{[1
]}

Albanov A.I. ^{[1
]}

Chipanina N.N. ^{[1
]}

Sherstyannikova L.V. ^{[1
]}

Samoilov V.G. ^{[1
]}

Komarova T.N. ^{[1
]}

Glotova T.E. ^{[1
]}

机构：

[1] A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk

来源：

Chemistry of Heterocyclic Compounds | 2006年 / 42卷 / 11期

关键词：

1-aroyl-2-phenylacetylenes; 1-carbothiohydrazinoyl-5-hydroxy-3-phenyl-5-R-2-; pyrazolines; Heterocyclization; Nucleophilic addition; Ring-chain tautomerization; Thiocarbonohydrazides;

D O I：

10.1007/s10593-006-0258-0

中图分类号：

学科分类号：

摘要：

The reaction of 1-aroyl-2-phenylacetylenes with thiocarbonohydrazide and benzaldehyde thiocarbohydrazone in acetic acid-water or ethanol-water systems with the reagents in an equimolar ratio leads to the selective formation of 1-carbothiohydrazinoyl-5-hydroxy-3-phenyl-5-R-2-pyrazolines. Ring-chain tautomerism involving the enamine and hydrazone forms was detected for solutions of the pyrazolines (with R = 2-thienyl) in DMSO. © 2006 Springer Science+Business Media, Inc.

引用

页码：1421 / 1426

页数：5

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