、
2-甲氧基氯化苄 、 Ethyl 4-(1,4-benzodioxan-6-yl)-1,2-dihydro-2-oxobenzofuro[3,2-b]pyridine-3-carboxylate 以
二氯甲烷 、
N,N-二甲基甲酰胺 、
Dicaesio carbonate 为溶剂,
反应 10.0h,
以The N-alkylation product ethyl 4-(1,4-benzodioxan-6-yl)-1,2-dihydro-1-(2-methoxybenzyl)-2-oxobenzofuro[3,2-b]pyridine-3-carboxylate, m.p. 105° and the O-alkylation product ethyl 4-(1,4-benzodioxan-6-yl)-2-(2-methoxybenzyloxy)benzofuro[3,2-b]pyridine-3-carboxylate, m.p. 166°, are obtained的产率得到ethyl 4-(1,4-benzodioxan-6-yl)-1,2-dihydro-1-(2-methoxybenzyl)-2-oxobenzofuro[3,2-b]pyridine-3-carboxylate