1,1-dimethylethyl 10-bromo-2-methyl-6,7,8,9-tetrahydro-5H-[1,3]oxazolo[4,5-h][3]benzazepine-7-carboxylate 在
potassium carbonate 、
Sodium sulfate-III 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以to afford the title compound (52 mg)的产率得到10-bromo-2-methyl-6,7,8,9-tetrahydro-5H-[1,3]oxazolo[4,5-h][3]benzazepine