、
5-{(1S,2S)-2-[7-(2,6-dimethyl-phenyl)-3,3-dimethyl-2,3-dihydro-benzofuran-5-yl]-2-methyl-cyclopropyl}-3-methyl-penta-2E,4E-dienoic acid ethyl ester 、
乙醇 、
sodium hydroxide 以
正己烷 为溶剂,
以the title compound was obtained (0.049 g, 50%) as a white solid的产率得到5-{(1S, 2S)-2-[7-(2,6-dimethyl-phenyl)-3,3-dimethyl-2,3-dihydro-benzofuran-5-yl]-2-methyl-cyclopropyl}-3-methyl-penta-2E,4E-dienoic acid