benzyl 4'-{1-(6-iodo-2-methylpyrimidin-4-yl)-8-[(3-methylpyridin-2-yl)methyl]-2,4-dioxo-1,3,8-triazaspiro[4.5]dec-3-yl}-2-methylbiphenyl-4-carboxylate 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 11.0h,
生成
2-methyl-4'-[8-[[3-methylpyridin-2-yl]methyl]-1-(2-methylpyrimidin-4-yl)-2,4-dioxo-1,3,8-triazaspiro[4.5]dec-3-yl]biphenyl-4-carboxylic acid