Synthesis of a Novel Ring-Expanded Xanthine Analogue and Several Methyl or Benzyl Derivatives Containing the 5:7-Fused Imidazo [4,5-<i>e</i>][1,2,4]triazepine Ring System
作者:Ramachandra S. Hosmane、Vishweshwar S. Bhadti、Benjamin B. Lim
DOI:10.1055/s-1990-27103
日期:——
Syntheses of 3,4,6,7-tetrahydroimidazo[4,5-e][1,2,4]triazepine-5,8-dione (1a) and its 3- and/or 7-methyl/benzyl substituted derivatives 1b-1e are reported. The structure of 1c is confirmed by single-crystal X-ray diffraction analyses.
报告了3,4,6,7-四氢咪唑[4,5-e][1,2,4]三氮烯-5,8-二酮(1a)及其3-和/或7-甲基/苄基取代衍生物1b-1e的合成。通过单晶X射线衍射分析确认了1c的结构。