tert-butyl 7-[2-(5-methyl-2-phenyl-4-oxazolyl)ethoxy]chromane-3-carboxylate 在
甲酸 、
乙醚 、 resultant suspension 作用下,
以
甲酸 为溶剂,
反应 13.17h,
以to give the compound 7-[2-(5-Methyl-2-phenyl-4-oxazolyl)ethoxy]chromane-3-carboxylic acid as white powder (3.8 g, 84%)的产率得到7-[2-(5-methyl-2-phenyl-4-oxazolyl)ethoxy]chromane-3-carboxylic acid