ethyl (E) 6-(1,3-dihydro-4-tert-butyldimethylsilyloxy-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl)-3-hydroxy-4-methyl-4-hexenoate 、
碘甲烷 在
氧化银(II) 二氯甲烷 、
乙酸乙酯 、 product 作用下,
以
乙腈 为溶剂,
反应 24.0h,
以to afford 601 mg (60%) of ethyl (E)-6-(1,3-dihydro-4-tert-butyldimethylsilyloxy-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl) -3-methoxy-4-methyl-4-hexenoate the product as a colorless oil的产率得到ethyl (E) 6-(1,3-dihydro-4-tert-butyldimethylsilyloxy-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl)-3-methoxy-4-methyl-4-hexenoate