3-((1r,4r)-4-(piperidin-4-yloxy)cyclohexyloxy)pyrazine-2-carbonitrile hydrochloride 、
1-(trifluoromethyl)cyclopentyl 1H-imidazole-1-carboxylate 在
三乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以87.9%的产率得到1-(trifluoromethyl)cyclopentyl4-((1r,4r)-4-(3-cyanopyrazin-2-yloxy)cyclohexyloxy)piperidine-1-carboxylate