反应详情

In the manner given in Example 2, 8-bromo-1-(2-hydroxyethyl)-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine in dioxane is treated with phthalimide, triphenylphosphine and subsequently with diethyl azodicarboxylate to give 8-bromo-1-(2-phthalimidoethyl)-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine.