反应详情

m.p. 164°-165° C., 12.0 g., was prepared as in Example 16 using 4-trifluoromethoxybenzoyl chloride (from 16.5 g. of 4-trifuoromethoxybenzoic acid as in Example 16) in 150 ml. of ethylene dichloride, 7.2 g. of 1,8-octanediamine, 200 ml. of 10% aqueous potassium hydroxide solution, 500 ml. of ethylene dichloride and recrystallization from methanol using decolorizing charcoal.

1. customof ethylene dichloride and recrystallization from methanol using