1-(2,4-Dimethoxybenzyl)-6-(4-(dimethylamino)phenyl)-4-hydroxy-2-oxo-5-((trimethylsilyl)ethynyl)-1,2-dihydropyridine-3-carboxylic acid 、
potassium trimethylsilonate 、
盐酸 在
methanol-dichloromethane 作用下,
以
1,4-二氧六环 为溶剂,
反应 4.0h,
以to give the title compound as a yellow solid (13 mg, 56%)的产率得到1-(2,4-dimethoxybenzyl)-6-(4-(dimethylamino)phenyl)-4-hydroxy-2-oxo-5-(prop-1-ynyl)-1,2-dihydropyridine-3-carboxylic acid