Ethyl 3-bromo-4-(2-methoxy-2-oxoethoxy)-5-nitrobenzoate 在
锌 作用下,
以to give the title compound (15.0 g, 36%)的产率得到Ethyl 8-bromo-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylate
参考文献:
名称:
Fused Heterocyclic Compounds and Their Use as Mineralocorticoid Receptor Ligands