A New Route to 3<i>H</i>-1,5-Benzodiazepines and Heterocylic Ketene Aminals from Benzoyl Substituted Ketene Dithioacetals and Diamines
作者:Zhi-Tang Huang、Mei-Xiang Wang
DOI:10.1055/s-1992-26356
日期:——
Heterocyclic ketene aminals 5 or 3H-1,5-benzodiazepines 4 were obtained from the reaction of benzoyl substituted ketene dithioacetals 1 with various diamines 2. The mechansim of formation of these two different products are discussed.