乙酸酐 、
(+/-)-<2α(1E,3E),3α>-3,6-Dihydro-4-methyl-2-<2-methyl-4-(2,6,6-trimethyl-1 -cyclohexene-1-yl)-1,3-butadienyl>2H-pyran-3-ol 以
吡啶 为溶剂,
反应 20.0h,
以75%的产率得到(+/-)-<2α(1E,3E),3α>-3,6-Dihydro-4-methyl-2-<2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadienyl>-2H-pyran-3-ol acetate