5-(S)-[4-cyclopentyl-5-hydroxy-2-(1-methoxy-ethyl)-7,7-dimethyl-5,6,7,8-tetrahydro-quinolin-3-yl]-(4-trifluoromethyl-phenyl)-methanone 、
叔丁基二甲硅基三氟甲磺酸酯 在
2,6-二甲基吡啶 作用下,
以
甲苯 为溶剂,
以86%的产率得到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)-methanone