(3aR,4R,6R,6aS)-4-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-6-[(3-methoxy-phenyl)-diphenyl-methoxymethyl]-2-methyl-3a,4,6,6a-tetrahydro-furo[3,4-b]furan-3-carboxylic acid methyl ester 在
溶剂黄146 作用下,
以94%的产率得到(3aR,4R,6R,6aS)-4-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-6-hydroxymethyl-2-methyl-3a,4,6,6a-tetrahydro-furo[3,4-b]furan-3-carboxylic acid methyl ester