(E)-ethyl 3-(8-cyclopentyl-4-methyl-2-(methylamino)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-6-yl)acrylate 在
palladium 10% on activated carbon
氢气 作用下,
以
乙醇 为溶剂,
20.0 ℃
、344.75 kPa
条件下,
反应 18.0h,
以64%的产率得到ethyl 3-(8-cyclopentyl-2-(ethylamino)-4-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-6-yl)propanoate