(1R,3'R)-3'-methylspiro[indene-1,4'-piperidine] hydrochloride 、
(2S)-N-[[3,5-bis(trifluoromethyl)phenyl]methyl]-2-cyclopropylpent-4-enamide 在
臭氧 、 sodium triacetoxyborohydride 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以58%的产率得到(2S)-N-[[3,5-bis(trifluoromethyl)phenyl]methyl]-2-cyclopropyl-4-[(1R,3'R)-3'-methylspiro[indene-1,4'-piperidine]-1'-yl]butanamide