A Convenient Synthesis of Novel [1,2,4]Triazolo[4,3-<i>a</i>][1,5]benzodiazepine Derivatives
作者:M. C. Aversa、A. Ferlazzo、P. Giannetto、F. H. Kohnke
DOI:10.1055/s-1986-31628
日期:——
A synthetic approach to the previously unknown 3a,4,5, 6-tetrahydro-3H[1,2,4]triazolo[4,3-a][1,5]benzodiazepine system via [3 + 2]-cycloaddition of nitrile imines to 2, 3-dihydro-1H-1,5-benzodiazepines is described. In an analogous way, the 3 a,4,4a,5-tetrahydro-3H-bis[1,2,4]triazolo [4,3-a:3′,4′-d][1,5]benzodiazepine system is prepared from 3H-1,5-benzodiazepines.
本论文描述了一种通过腈亚胺与 2, 3-二氢-1H-1,5-苯并二氮杂卓的 [3 + 2] - 环加成,合成以前未知的 3a,4,5,6-四氢-3H-双[1,2,4]三唑并[4,3-a][1,5]苯并二氮杂卓系统的方法。以类似的方法,从 3H-1,5-苯并二氮杂卓制备了 3a,4,4a,5-四氢-3H-双[1,2,4]三唑并[4,3-a:3′,4′-d][1,5]苯并二氮杂卓体系。