甲烷磺酸 、
azetidin-1-yl-acetic acid 1-[5-[(Z)-2-cyano-2-(3,4-dimethoxy-phenyl)-vinyl]-thiophen-2-yl]-piperidin-4-yl ester 在
乙醚 作用下,
以
甲醇 为溶剂,
以to thereby yield the title compound (yield: 345 mg, 95%)的产率得到azetidin-1-yl-acetic acid 1-[5-[(Z)-2-cyano-2-(3,4-dimethoxy-phenyl)vinyl]thiophen-2-yl]piperidin-4-yl ester methanesulfonate