Reaction of heterocyclic ketene aminals with aryl isothiocyanates and synthesis of sulfur containing heterocycles therefrom

✍ Scribed by Zhi-Tang Huang; Jing-Kui Yang

• Publisher: John Wiley and Sons
• Year: 1992
• Tongue: English
• Weight: 532 KB
• Volume: 3
• Category: Article
• ISSN: 1042-7163
• DOI: 10.1002/hc.520030507

✦ Synopsis

Heterocyclic ketene aminals reacted with aryl isothiocyanates to give products of addition to the /?carbon. By oxidative cyclization o f these addition products by the action of bromine, isothiazole-fused heterocycles or benzothiazole-substituted heterocyclic ketene aminals were formed according to the influence of the different substituents.