Synthesis of a Novel Ring-Expanded Xanthine Analogue and Several Methyl or Benzyl Derivatives Containing the 5:7-Fused Imidazo [4,5-e][1,2,4]triazepine Ring System
HOSMANE, RAMACHANDRA S.;BHADTI, VISHWESHWAR S.;LIM, BENJAMIN B., SYNTHESIS,(1990) N1, C. 1095-1100
作者:HOSMANE, RAMACHANDRA S.、BHADTI, VISHWESHWAR S.、LIM, BENJAMIN B.
DOI:——
日期:——
HOSMANE, RAMACHANDRA, S.;LIM, B. B., HETEROCYCLES, 1985, 23, N 9, 2247-2250
作者:HOSMANE, RAMACHANDRA, S.、LIM, B. B.
DOI:——
日期:——
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.