8-cyclopentyl-6-ethyl-2-methanosulfonyl-8H-pyrido[2,3-d]pyrimidin-7-one 、
1-(6-氨基吡啶-3-基)哌啶-4-醇 在
氮气 作用下,
以
xylenes 、
二氯甲烷 为溶剂,
反应 16.0h,
以to give 8-cyclopentyl-6-ethyl-2-(4-hydroxy-3,4,5,6-tetrahydro-2H-[1,3′]bipyridinyl-6′-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one (15 mg, 7%)的产率得到8-cyclopentyl-6-ethyl-2-(4-hydroxy-3,4,5,6-tetrahydro-2H-[1,3']bipyridinyl-6'-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one