{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}acetic acid 、
盐酸 、
异丙醇 在
silica gel 、
乙醇 、
水 、
1-methylethyl {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}acetate 作用下,
反应 4.0h,
以to give the title compound, 1-methylethyl {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}acetate (60 mg, 0.12 mmol, 27% yield) as an orange powder的产率得到1-methylethyl {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}acetate