8-cyclopentyl-6-ethoxymethyl-2-methanesulfinyl-8H-pyrido[2,3-d]pyrimidin-7-one 、
5-(1-哌啶基)-2-氨基吡啶 在
甲苯 作用下,
以
甲苯 为溶剂,
反应 16.0h,
以to give 8-cyclopentyl-6-ethoxymethyl-2-(3,4,5,6-tetrahydro-2H-[1,3′]bipyridinyl-6′-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one (0.122 g, 15.2%)的产率得到8-cyclopentyl-6-ethoxymethyl-2-(3,4,5,6-tetrahydro-2H-[1,3']bipyridinyl-6'-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one