A convenient one pot preparation of 4-thiazolidinones from enaminolactones

被引：0

作者：

Bouzroura, Samia ^{[1
]}

Bentarzi, Yamina ^{[1
]}

Kaoua, Rachedine ^{[1
]}

Nedjar-Kolli, Bellara ^{[1
]}

Poulain-Martini, Sophie ^{[2
]}

Dunach, Elisabet ^{[2
]}

机构：

[1] Houari Boumediene Univ Sci & Technol, Lab Appl Organ Chem, Algiers, Algeria

[2] Sophia Antipolis Univ, Lab Bioact Mol & Arums Sci, UMR 6001, CNRS, Nice, France

来源：

ORGANIC COMMUNICATIONS | 2010年 / 3卷 / 01期

关键词：

Pyrones; tetronic acid; thiosemicarbazides; enaminones; thiazolidinones;

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Enaminones 3 and 4, precursors of 4-thiazolidinones, were prepared by condensing tetronic acid (1a) and 4-hydroxy 6-methyl pyrone (1b) respectively with thiosemicarbazide derivatives 2 in refluxing ethanol. The 4-thiazolidinones 6, 7 derivatives were obtained by reacting compounds 3 or 4 with ethyl 2-bromo propionate 5 in the presence of anhydrous sodium acetate in ethalonic medium. Similarly, 9 products were synthesized by action of benzyl 2-bromo acetate 8 on 3.

引用

页码：8 / 14

页数：7

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