反应详情

Prepared analogously to Example 8 from 5,11-dihydro-11-[4-(1-piperidinyl)-but-2-ynyl]-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one in a yield of 35% of theory. Colourless crystals, m.p. 131°-132° C. (ethyl acetate).