1,2-dihydro-1-(2-methoxybenzyl)-4-(4-methoxyphenyl)-2-oxo-7-nitrobenzofuro[3,2-b]pyridine-3-carboxylic acid 在
镍 作用下,
以
甲醇 为溶剂,
以7-amino-1,2-dihydro-1-(2-methoxybenzyl)-4-(4-methoxyphenyl)-2-oxobenzofuro[3,2-b]pyridine-3-carboxylic acid, m.p. 268°, is obtained的产率得到7-amino-1,2-dihydro-1-(2-methoxybenzyl)-4-(4-methoxyphenyl)-2-oxobenzofuro[3,2-b]pyridine-3-carboxylic acid