(E)-methyl 2-diazo-3-((2R,3S)-5-fluoro-3-methoxy-2-methyl-2,3-dihydro-1H-inden-1-ylidene)propanoate 、
环戊二烯 在
dirhodium tetraacetate 作用下,
以
正己烷 为溶剂,
反应 5.0h,
生成 (1S,5R,6S)-methyl 6((E)-((2R,3S)-5-fluoro-3-methoxy-2-methyl-2,3-dihydro-1H-inden-1-ylidene)methyl)bicyclo[3.1.0]hex-2-ene-6-carboxylate 、
(1R,5S,6R)-methyl 6((E)-((2R,3S)-5-fluoro-3-methoxy-2-methyl-2,3-dihydro-1H-inden-1-ylidene)methyl)bicyclo[3.1.0]hex-2-ene-6-carboxylate