(E)-methyl 3-((2S,3S)-3-methoxy-2-methyl-3,4-dihydronaphthalen-1(2H)-ylidene)propanoate 、
环戊二烯 在
Rh
2(R-DOSP)4 作用下,
以
正己烷 为溶剂,
生成 (1S,5R,6R)-methyl 6((E)-((2S,3S)-3-methoxy-2-methyl-3,4-dihydronaphthalen-1(2H)-ylidene)methyl)bicyclo[3.1.0]hex-2-ene-6-carboxylate 、
(1R,5S,6S)-methyl 6((E)-((2S,3S)-3-methoxy-2-methyl-3,4-dihydronaphthalen-1(2H)-ylidene)methyl)bicyclo[3.1.0]hex-2-ene-6-carboxylate