反应详情

m.p. 179°-180° C., 21.6 g., was prepared as in Example 1 using 3,4-methylenedioxybenzoyl chloride (from 30 g. of 3,4-methylenedioxybenzoic acid as in Example 6) in 100 ml. of ethylene dichloride, 11.5 g. of 1,8-octanediamine, 200 ml. of 10% aqueous potassium hydroxide solution, 500 ml. of ethylene dichloride and recrystallization from ethanol.

1. customof ethylene dichloride and recrystallization from ethanol