(1R,5S,6R)-N-(menthol-8-yl)-1-methyl-6-phenyl-3-azabicyclo[3.2.0]heptane 在
3 A molecular sieve 、
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
生成 (2S,5R)-5-Methyl-2-[1-methyl-1-((1R,5S,6R)-1-methyl-6-phenyl-3-aza-bicyclo[3.2.0]hept-3-yl)-ethyl]-cyclohexanone