3-{6-chloro-5-[2'-hydroxy-3'-(methyloxy)-4-biphenylyl]-2,4-dioxo-1,2,4,5-tetrahydro-3H-pyrrolo[3,2-d]pyrimidin-3-yl}propanoic acid 、
盐酸 、
乙醇 在
silica gel 、
乙醇 、
水 、
ethyl 3-{6-chloro-5-[2'-hydroxy-3'-(methyloxy)-4-biphenylyl]-2,4-dioxo-1,2,4,5-tetrahydro-3H-pyrrolo[3,2-d]pyrimidin-3-yl}propanoate 作用下,
反应 4.0h,
以to give the title compound, ethyl 3-{6-chloro-5-[2′-hydroxy-3′-(methyloxy)-4-biphenylyl]-2,4-dioxo-1,2,4,5-tetrahydro-3H-pyrrolo[3,2-d]pyrimidin-3-yl}propanoate (240 mg, 0.50 mmol, 61.1% yield) as a off white powder的产率得到ethyl 3-{6-chloro-5-[2'-hydroxy-3'-(methyloxy)-4-biphenylyl]-2,4-dioxo-1,2,4,5-tetrahydro-3H-pyrrolo[3,2-d]pyrimidin-3-yl}propanoate