苯乙烯 、
2,3,4-trimethyl-3-pentyl diazoacetate 在
Rh
2(5S-MEPY)4 作用下,
以
二氯甲烷 为溶剂,
生成 2,3,4-trimethyl-3-pentyl (1R,2R)-2-phenylcyclopropanecarboxylate 、 2,3,4-trimethyl-3-pentyl (1R,2S)-2-phenylcyclopropanecarboxylate 、
2,3,4-trimethyl-3-pentyl (1S,2R)-2-phenylcyclopropanecarboxylate 、
2,3,4-trimethyl-3-pentyl (1S,2S)-2-phenylcyclopropanecarboxylate