(RS)-2-amino-2-(3-bromo-phenyl)-2-(6-difluoromethoxy-pyridin-3-yl)-ethanol 、
氯乙酰氯 、
potassium tert-butylate 以
叔丁醇 为溶剂,
以yielded the (RS)-5-(3-bromo-phenyl)-5-(6-difluoromethoxy-pyridin-3-yl)-morpholin-3-one as a light yellow solid (1.6 g, 91% of theory)的产率得到(RS)-5-(3-bromo-phenyl)-5-(6-difluoromethoxy-pyridin-3-yl)-morpholin-3-one