Synthesis of 4-methylmorpholinium 6-amino-3,5-dicyano-4-(furan-2-yl)pyridine-2-thio(seleno)lates and 3-[aryl(hetaryl)]-2-cyanoprop-2-enethioamides by michael reaction

被引:0
作者
I. V. Dyachenko
E. Yu. Ramazanova
V. D. Dyachenko
机构
[1] Taras Shevchenko Lugansk National University,
[2] Donbas State Technical University,undefined
来源
Russian Journal of Organic Chemistry | 2014年 / 50卷
关键词
Malononitrile; Thioamide; BuOH; Methylidene; Michael Reaction;
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摘要
Michael reaction of dimethyl (furan-2-ylmethylidene)malonate with 2-cyanoethanethio(seleno)amides and 4-methylmorpholine afforded 4-methylmorpholinium 6-amino-3,5-dicyano-4-(furan-2-yl)pyridine-2-thio(seleno)lates via exchange of the CH acid components. Aryl(hetaryl)methylidenemalononitriles reacted with cyanoethanethioamide under analogous conditions to give 3-aryl(hetaryl)-2-cyanoprop-2-enethioamides which were converted into 3-aryl(hetaryl)-2-(1,3-thiazol-2-yl)prop-2-enenitriles according to Hantzsch.
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页码:1821 / 1825
页数:4
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