methyl 3-(4-(trifluoromethyl)phenyl)propiolate 、
5-isocyanatopent-1-ene 在
chlorobis(ethylene)rhodium(I) dimer 、 (+)-GUIPHOS 作用下,
以
甲苯 为溶剂,
生成
(R)-methyl 7-oxo-5-(4-(trifluoromethyl)phenyl)-1,2,3,7,8,8a-hexahydroindolizine-6-carboxylate 、 (S)-methyl 7-oxo-5-(4-(trifluoromethyl)phenyl)-1,2,3,7,8,8a-hexahydroindolizine-6-carboxylate