bis(4-nitrophenyl) heptane-1,7-dioate 、
1-[(2S,3S,4R,5S)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3-hydroxy-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione 在
4-二甲氨基吡啶 作用下,
以
吡啶 为溶剂,
反应 16.0h,
以78%的产率得到Heptanedioic acid (2S,3S,4S,5S)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 4-nitro-phenyl ester