Methyl 4-[2-(2-pivaloylamino-4-hydroxypyrido[2,3-d]-pyrimidin-6-yl)ethenyl]pyrrole-2-carboxylate 、
氢气 在
钯 作用下,
以there is obtained methyl 4-[2-(2-pivaloylamino-4-hydroxy-5,6,7,8-tetrahydropyrido[2,3-d]pyrimidin-6-yl)ethyl]pyrrole-2-carboxylate (380 mg, 95%)的产率得到Methyl 4-[2-(2-Pivaloylamino-4-hydroxy-5,6,7,8-tetrahydropyrido[2,3-d]-pyrimidin-6-yl)ethyl]pyrrole-2-carboxylate