{4-[5-(cyclopropyl-methyl-amino)-4-hydroxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-acetic acid methyl ester 在
4-二甲氨基吡啶 、
N-苯基双(三氟甲烷磺酰)亚胺 作用下,
以
二氯甲烷 为溶剂,
以93%的产率得到{4-[5-(cyclopropyl-methyl-amino)--8,8-dimethyl-4-trifluoromethanesulfonyloxy-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-acetic acid methyl ester