benzyl 2,4-bis(benzyloxy)-6-(4-(dimethylamino)phenyl)-5-(methoxymethyl)nicotinate 在
钯 作用下,
以
methanol-dichloromethane 为溶剂,
以to give the title compound as a yellow solid (17 mg, 53%)的产率得到6-(4-(dimethylamino)phenyl)-4-hydroxy-5-(methoxymethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid