1,1-dimethylethyl N-((6'-chloro-4'-hydroxy-2'-oxo-spiro[cyclopentane-1,1'-naphthalen]-3'-yl)carbonyl)glycinate 在
hexane-diethyl ether 作用下,
以
三氟乙酸 为溶剂,
反应 0.5h,
以to give 135 mg of the salt as an off-white solid的产率得到N-((6'-chloro-4'-hydroxy-2'-oxo-2'H-spiro[cyclopentane-1,1'-naphthalen]-3'-yl)carbonyl)glycine