ethyl 5-[2-[2-(2,2-dimethylpropanoylamino)-4-oxo-8-[(1R)-1-phenylethyl]-3,5-dihydropyrido[2,3-d]pyrimidin-6-yl]ethyl]-4-methylthiophene-2-carboxylate 在
5%-palladium/activated carbon
氢气 作用下,
以
乙醇 为溶剂,
60.0 ℃
、689.49 kPa
条件下,
反应 2.5h,
以78%的产率得到ethyl 5-[2-[(6S)-2-(2,2-dimethylpropanoylamino)-4-oxo-8-[(1R)-1-phenylethyl]-3,5,6,7-tetrahydropyrido[2,3-d]pyrimidin-6-yl]ethyl]-4-methylthiophene-2-carboxylate