5-(S)-[5-(tert-butyl-dimethyl-silanyloxy)-4-cyclopentyl-2-methoxymethyl-7,7-dimethyl-5,6,7,8-tetrahydro-quinolin-3-yl]-(4-trifluoromethyl-phenyl)-methanol 在
diethylaminosulfur trichloride 、
四丁基碘化铵 作用下,
以
四氢呋喃 为溶剂,
以76%的产率得到8-(S)-8-(tert-butyl-dimethyl-silanyloxy)-9-cyclopentyl-6,6-dimethyl-1-(4-trifluoromethyl-phenyl)-1,3,5,6,7,8-hexahydro-furo[3,4-b]quinoline