The regiospecific N-sulfonylation and N-
โ
Zhan-Jiang Li; Zhong-Xu Ren; Zhi-Tang Huang
๐
Article
๐
1999
๐
John Wiley and Sons
๐
English
โ 143 KB
๐ 2 views
The regiospecific N-sulfonylation and N-phosphorylation of benzoyl-substituted heterocyclic ketene aminals have been investigated. In the presence of sodium hydride, benzoyl-substituted heterocyclic ketene aminals 1 or 2 reacted with p-toluenesulfonyl chloride 3 to give (E)-1-(p-toluenesulfonyl)-2-(