t-butyl 3-(3-aminophenyl)azetidine-1-carboxylate 、
5-氯-3-甲基苯并(B)噻吩-2-磺酰氯 以to give tert-butyl 3-(3-(5-chloro-3-methylbenzo[b]thiophene-2-sulfonamido)phenyl)azetidine-1-carboxylate (140 mg, 71%)的产率得到tert-butyl 3-(3-(5-chloro-3-methylbenzo[b]thiophene-2-sulfonamido)phenyl)azetidine-1-carboxylate