N-Boc-O-phenyl-(R,S)-homoserine 、 N-[1(R)-[(2,3-dihydrospiro[1H-indene-1,4'-piperidin]-1'yl)carbonyl]-2-(phenylmethyloxy)ethyl]-2-amino-2-methylpropanamide hydrochloride 以
N-[1-[(2,3-dihydrospiro[1H-indene-1,4'-piperidin]-1'-yl)carbonyl]-3-phenoxypropyl]carbamic acid 1,1-dimethylethyl ester 为溶剂,
生成
1'-[2-amino-1-oxo-4-phenoxybutyl]-2,3-dihydrospiro-[1H-indene-1,4'-piperidine]