rac-(6'R,3R,8'S)-6-chloro-8'-(3-chlorophenyl)-6'-(5-fluoro-2-methylphenyl)-2'-methyl-6',7',8',9'-tetrahydro-2-oxo-spiro[3H-indole-3,7'-(2H-pyrido[2,1-c][1,2,4]triazin-3'-one)]-1-methoxyethyl-trimethylsilane 在
三氟乙酸 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 、
甲醇 为溶剂,
反应 4.0h,
以72%的产率得到(6'R,3R,8'S)-6-chloro-8'-(3-chlorophenyl)-6'-(5-fluoro-2-methylphenyl)-2'-methyl-6',7',8',9'-tetrahydro-spiro[3H-indole-3,7'-(2H-pyrido[2,1-c][1,2,4]triazine)]-2,3'(1H)-dione