HRID901218

反应详情

EQUATION

反应方程式

HRID 901218 的结构方程式

PROCEDURE

实验过程

Diethyl malonate can then be reacted with the 1-benzyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione (2) to yield the intermediate 1-benzyl-4-hydroxy-2-oxo-1,2-dihydro-[1,8]-naphthyridine-3-carboxylic acid ethyl ester (3) as shown in Scheme 3: