P1-[7-benzyloxy-6-(2-hydroxyethyl)-5-methoxy-4-methylphthalan-1-one-2-yl]-P2-[7-benzyloxy-6-(2-hydroxyethyl)-5-methoxy-4-methylphthalan-1-one-2-yl]methylenebis(phosphonate) 在
10percent Pd/C
氢气 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以95%的产率得到{Hydroxy-[2-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-isobenzofuran-5-yl)-ethoxy]-phosphorylmethyl}-phosphonic acid mono-[2-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-isobenzofuran-5-yl)-ethyl] ester