4-(3-(S)-amino-2-oxo-pyrrolidin-1-ylmethyl)pyridine-2-carbonitrile trifluoroacetate 、
5-氯-3-甲基苯并(B)噻吩-2-磺酰氯 在
5-Chloro-3-methylbenzo[b]thiophene-2-sulfonic acid [1-(2-cyanopyridin-4-ylmethyl)-2-oxopyrrolidin-3-(S)-yl]amide 、 crude product 、
ethyl acetate dichloromethane 作用下,
生成 5-Chloro-3-methylbenzo[b]thiophene-2-sulfonic acid [1-(2-cyanopyridin-4-ylmethyl)-2-oxopyrrolidin-3-(S)-yl]amide