溴甲苯 、
ethyl (1R,2R,5R)-(+)-(2-hydroxy-2,6,6-trimethylbicyclo<3.1.1>hept-3-ylideneamino)acetate 在
lithium diisopropyl amide 作用下,
生成 ethyl (1R,2R,5R,2'S)-2-(2-hydroxy-2,6,6-trimethylbicyclo<3.1.1>hept-3-ylideneamino)-3-phenylpropionate 、 ethyl (1R,2R,5R,2'S)-2-(2-hydroxy-2,6,6-trimethylbicyclo<3.1.1>hept-3-ylideneamino)-3-phenylpropionate