3-cyanomethoxy-5-methoxy-N-piperidin-4-yl-benzamide 、
4-(3-hydroxy-5-methoxy-benzoylamino)-piperidine-1-carboxylic acid tert-butyl ester 、
溴乙腈 、
potassium carbonate 以
乙腈 为溶剂,
以to give 4-(3-cyanomethoxy-5-methoxy-benzoylamino)-piperidine-1-carboxylic acid tert-butyl ester的产率得到4-(3-cyanomethoxy-5-methoxy-benzoylamino)-piperidine-1-carboxylic acid tert-butyl ester