(4-amino-2-methyl-phenoxy)-acetic acid methyl ester 、
二碳酸二叔丁酯 在
ethyl acetate heptane 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
以to yield 28.1 g of (4-tert-butoxycarbonylamino-2-methyl-phenoxy)-acetic acid methyl ester as a light pink crystalline residue, MS的产率得到(4-tert-butoxycarbonylamino-2-methyl-phenoxy)-acetic acid methyl ester