甲醇 、 N-(5-{(E)-2-[(2S,4R)-4-(tert-butyldimethylsilyloxy)-6-oxotetrahydro-2H-pyran-2-yl]vinyl}-4-(4-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide 在
乙酰氯 作用下,
反应 48.0h,
以98%的产率得到(3R,E)-methyl 7-(4-(4-fluorophenyl)-6-isopropyl-2-(n-methylmethylsulfonamido)-pyrimidin-5-yl)-3-hydroxy-5-methoxyhept-6-enoate