、
(1S,2S,3S,6S)-3,6-Bis-methoxymethoxy-2,6-dimethyl-2-vinyl-cyclohexanecarbaldehyde 以55%的产率得到(1R,5S)-5-[(S)-((1R,2S,3S,6S)-3,6-Bis-methoxymethoxy-2,6-dimethyl-2-vinyl-cyclohexyl)-hydroxy-methyl]-8,8-dimethyl-2-methylene-6-oxa-bicyclo[3.2.1]octan-7-one