synthesis of thiazoles
Автор: Erland Stevens
Загружено: 2019-01-19
Просмотров: 4623
Описание: Thiazoles are aromatic, five-membered ring compounds with a nitrogen, sulfur, and three carbons. Thiazoles are made from thioamides and alpha-halo carbonyl compounds. In the first step, the sulfur of the thioamide performs an SN2 on the halo carbonyl. Following tautomerization of the thioamide, the imine nitrogen attacks the carbonyl to form an enamine. This reaction is called the Hantzsch synthesis.
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