tert-butyl (1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-6-yl)methylcarbamate 在
乙醚 作用下,
以
ethyl acetate hydrochloride 为溶剂,
反应 0.5h,
以to give 6-(aminomethyl)benzo[c][1,2]oxaborol-1(3H)-ol (CXII) as a white solid (0.15 g, 0.75 mmol, 74% yield)的产率得到1,3-二氢-1-羟基-2,1-色氨酸-6-甲胺