摘要

New heterocyclic systems of pyrimido[1,2-d][1,4] diazepine, [1,4] diazepino[7,1-b] quinazoline, and [1,4] diazepino[1,7-a][1,3] diazepine were obtained in specific reactions of DMAD with zwitterionic compounds.

  • 出版日期2010-5