反应详情

Following the procedure of Example 1, reaction of one equivalent of 1-chloro-4-methylpyridazino[4,5-b]indolizine and 10 equivalents of 4-(3-aminopropyl)morpholine gave the title compound as the free base which was converted to the dihydrochloride salt, mp. 295°-296° C. (after recrystallization from ethanol).