5-{(1S,2S)-2-[7-(2,2-dimethyl-propyl)-3,3-dimethyl-2,3-dihydro-benzofuran-5-yl]-2-methyl-cyclopropyl}-3-methyl-penta-2E,4E-dienoic acid ethyl ester 、
甲醇 、
sodium hydroxide 、
乙酸乙酯 以
正己烷 、
乙腈 、
水 为溶剂,
以the title compound was obtained (0.098 g, 75%) as a white solid的产率得到5-{(1S,2S) 2-[7-(2,2-dimethyl-propyl)-3,3-dimethyl-2,3-dihydro-benzofuran-5-yl]-2-methyl-cyclopropyl}-3-methyl-penta-2E,4E-dienoic acid