3-benzyloxy-2-methyl-1-propylmagnesium bromide 、 2-[(1R,5R,6S)-6-(1,3-dioxolan-2-yl)-5,6-dimethylcyclohex-2-en-1-yl]-N-methoxy-N-methylacetamide 以
四氢呋喃 为溶剂,
以90%的产率得到1-[(1R,5R,6S)-6-(1,3-dioxolan-2-yl)-5,6-dimethylcyclohex-2-en-1-yl]-4-methyl-5-phenylmethoxypentan-2-one