反应详情

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