(S)-1-phenyl-3,3-bis(trifluoromethyl)propan-1,3-diol 、
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride 在
sodium hydride 作用下,
以
甲苯 为溶剂,
生成 (1S,2S,3R,4R)-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid mono-((S)-4,4,4-trifluoro-3-hydroxy-1-phenyl-3-trifluoromethyl-butyl) ester 、
(1S,2S,3R,4R)-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid mono-((S)-4,4,4-trifluoro-3-hydroxy-1-phenyl-3-trifluoromethyl-butyl) ester