8-ethyl-6-ethynyl-4,4-dimethyl-3,4-dihydro-2H-naplthalen-1-one 、 2-{4-[(8-cyclopropyl-3,4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1'-cyclopropane]-6-yl)ethynyl]-phenyl}-2-methyl-propionic acid methyl ester 、
三乙胺 、
乙酸乙酯 在
碘化亚铜 、
双三苯基磷二氯化钯 作用下,
以
正己烷 为溶剂,
以the title compound was obtained as an oil (0.095 g, 59%)的产率得到2-[4-(4-ethyl-8,8-dimethyl-5-oxo-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl)-phenyl]-2-methyl-propionic acid methyl ester