(1R,6S)-8-Chloro-1-methyl-bicyclo[4.2.0]octan-7-one 、
2,2-Dimethyl-3-oxo-cyclohexanecarbaldehyde 在
lithium dimethylcuprate 、 zinc(II) chloride 作用下,
以
乙醚 为溶剂,
以70%的产率得到(1R,6S,8R)-8-[(R)-((R)-2,2-Dimethyl-3-oxo-cyclohexyl)-hydroxy-methyl]-1-methyl-bicyclo[4.2.0]octan-7-one