4-[6-(6-bromo-2-methyl-pyridin-3-ylamino)-5-methoxy-pyrimidin-4-yloxy]-piperidine-1-carboxylic acid isopropyl ester 、
二碳酸二叔丁酯 在
4-二甲氨基吡啶 ethyl acetate n-hexane 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以to give 4-{6-[(6-bromo-2-methyl-pyridin-3-yl)-tert-butoxycarbonyl-amino]-5-methoxy-pyrimidin-4-yloxy}-piperidine-1-carboxylic acid isopropyl ester as a white solid (118 mg, 92%)的产率得到4-{6-[(6-bromo-2-methyl-pyridin-3-yl)-tert-butoxycarbonyl-amino]-5-methoxy-pyrimidin-4-yloxy}-piperidine-1-carboxylic acid isopropyl ester