methyl 3-(6-chloro-2-(3-fluoropyridin-2-yl)-3,4-dihydro-2H-chromen-7-yl)-5-cyclopropyl-2-oxo-1,2,3,4-tetrahydropyrido[4,3-d]pyrimidine-7-carboxylate 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
反应 1.5h,
以58 mg的产率得到3-(6-chloro-2-(3-fluoropyridin-2-yl)-3,4-dihydro-2H-chromen-7-yl)-5-cyclopropyl-7-(hydroxymethyl)-3,4-dihydropyrido[4,3-d]pyrimidin-2(1H)-one