(+/-)-4-<1,3-Dihydro-4-(tert-butyldimethylsilyloxy)-6-methoxy-7-methyl-3-oxo-5-isobenzofuranyl>-3-hydroxy-2-methylbutene 以
原丙酸三甲酯 、
丙酸 为溶剂,
反应 2.5h,
以to afford methyl (E)-6-(4-tert-butyldimethylsilyloxy-1,3-dihydro-6-methoxy-7-methyl -3-oxoisobenzofuran-5-yl)-2,4-dimethyl-4-hexenoate as an oil的产率得到methyl (E) 6-(4-tert-butyldimethylsilyloxy-1,3-dihydro-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl)-2,4-dimethyl-4-hexenoate