反应详情

To a suspension of 3.33 g of 6-hydroxymethyl-3-(p-methoxybenzyl)oxy-4-pyridone in 20 ml of methanol is added 11.35 g of 2,2-dimethoxyethylamine at room temperature, and the mixture is stirred for 3 days. The reaction mixture is condensed under reduced pressure, and subjected to flash column chromatography on 100 g of Wako-Gel C-300 (manufactured by Wako Pure Chemical Industries, Ltd.) with an eluent of chloroform-methanol (20:1) to perform separation and purification. The title compound is obtained as colorless foam in a yield of 2.062 g.

1. customcondensed under reduced pressure
2. customseparation and purification