四(三苯基膦)钯 、 methyl (E)-6-(1,3-dihydro-4-trifluoromethylsulfonyloxy-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl)-4-methyl-4-hexenoate 以
1,4-二氧六环 、
正己烷 为溶剂,
生成
methyl (E)-6-(1,3-dihydro-4-cyano-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl)-4-methyl-4-hexenoate