A. Baouid et al., 1,3-DIPOLAR CYCLOADDITION OF N-ARYL-C-ETH OXYCARBONYLNITRILIMINE WITH1-METHYL-5,7-DIPHENYL-1,4-DIAZEPINE AND 2-METHYL-4-PHENYL-1,5-BENZODIAZEPINE, Bulletin des Societes chimiques belges, 103(12), 1994, pp. 743-751
The reaction of N-aryl-C-ethoxycarbonyl nitrilimines with the title co
mpounds leads to [1,2,4] triazolo [1,4] diazepine, [1,2,4] triazolo [1
,5] benzodiazepine and bis [1,2,4] triazolo [1,5] benzodiazepine. The
1,3-dipolar cycloaddition is completely peri and regioselective.