在
1,3-bis-[(R)-1-(3,5-di-tert-butyl-4-methoxyphenyl)ethyl]imidazolium hexafluorophosphate 、
potassium phenolate 、
copper(l) chloride 作用下,
以
甲苯 、
苯 为溶剂,
反应 72.0h,
生成
(R)-3-methyl-1-(1-methyl-1H-4,5,6,7-tetrahydrobenzimidazol-2-yl)-5-phenyl-1-pentanone 、 (S)-3-methyl-1-(1-methyl-1H-4,5,6,7-tetrahydrobenzimidazol-2-yl)-5-phenyl-1-pentanone