6-chloro-4'-(3-chlorophenyl)-2'-(1-ethyl-propenyl)-1'-fluorocarbonylmethyl-spiro[3H-indole-3,3'-piperidine]-2,6'(1H)-dione 、
2-氨基-2-甲基-1-丙醇 、
N-甲基吗啉 在
4-二甲氨基吡啶 作用下,
以
四氢呋喃 为溶剂,
以to give racemic (2′R,3R,4′S)-6-chloro-4′-(3-chlorophenyl)-2′-(1-ethyl-propenyl)-1′-[(2-hydroxy-1,1-dimethylethyl)aminocarbonylmethyl]spiro[3H-indole-3,3′-piperidine]-2,6′(1H)-dione as an off-white solid (Yield 92 mg, 67%)的产率得到6-Chloro-4'-(3-chlorophenyl)-2'-(1-ethyl-propenyl)-1'-[(2-hydroxy-1,1-dimethylethyl)aminocarbonyl-methyl]spiro[3h-indole-3,3'-piperidine]-2,6'(1h)-dione