5-(S)-[5-(tert-butyl-dimethyl-silanyloxy)-4-cyclopentyl-2-(1-methoxy-ethyl)-7,7-dimethyl-5,6,7,8-tetrahydro-quinolin-3-yl]-(4-trifluoromethyl-phenyl)-methanol 在
diethylaminosulfur trichloride 、
sodium carbonate 作用下,
以
二氯甲烷 、
水 、
乙酸乙酯 为溶剂,
反应 3.0h,
以16%的产率得到5-(S)-5-(tert-butyl-dimethyl-silanyloxy)-4-cyclopentyl-3-[fluoro-(4-trifluoromethyl-phenyl)-methyl]-2-(1-methoxy-ethyl)-7,7-dimethyl-5,6,7,8-tetrahydro-quinoline