反应详情

Prepared analogously to Example (1b) from 5,11-dihydro-11-(prop-2-ynyl)-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one, paraformaldehyde and (cyclohexyl)methylamine in a yield of 17% of theory. Colourless crystals m.p. 133°-134° C. (diethyl ether).