(3RS,3aRS)-6-Fluoro-3-phenyl-2,3,3a,4-tetrahydro-chromeno[4,3-c]pyrazole 、
3-(3-benzyloxy-benzylidene)-6-fluoro-chroman-4-one 、
3-benzylidene-6-fluoro-chroman-4-one 在
(3RS,3aRS)-3-(3-Benzyloxy-phenyl)-8-fluoro-2,3,3a,4-tetrahydro-chromeno[4,3-c]pyrazole 作用下,
生成 (3RS,3aRS)-3-(3-Benzyloxy-phenyl)-8-fluoro-2,3,3a,4-tetrahydro-chromeno[4,3-c]pyrazole