(-)-hydroxycitronellal 、
(1S,2R,6S)-3-methyl-6-(1-methylethenyl)cyclohex-3-ene-1,2-diol 在
montmorillonite clay K
10 作用下,
以
neat (no solvent) 为溶剂,
反应 72.0h,
以63%的产率得到(2R,4aR,8R,8aR)-2-((S)-6-hydroxy-2,6-dimethylheptyl)-4,7-dimethyl-3,4,4a,5,8,8a-hexahydro-2Hchromene-4,8-diol