1-(5-Tert-butylisoxazol-3-yl)-3-{3-[6-methoxy-7-(piperidin-4-yloxy)quinazolin-4-yloxy]phenyl}urea 、
2,2,2-三氟乙基三氟甲烷磺酸酯 、
N,N-二异丙基乙胺 在
1-(5-tert-butylisoxazol-3-yl)-3-(3-{6-methoxy-7-[1-(2,2,2-trifluoroethyl)piperidin-4-yloxy]quinazolin-4-yloxy}phenyl)urea 、 silica gel 、
ethyl acetate n-hexane 、
acetonitrile-water 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以preparative HPLC (C18 column and 60-90% MeCN/H2O with 0.05% AcOH) to afford 1-(5-tert-butylisoxazol-3-yl)-3-(3-{6-methoxy-7-[1-(2,2,2-trifluoroethyl)piperidin-4-yloxy]quinazolin-4-yloxy}phenyl)urea as a solid (0.027 g, 11%)的产率得到1-(5-tert-butylisoxazol-3-yl)-3-(3-{6-methoxy-7-[1-(2,2,2-trifluoroethyl)piperidin-4-yloxy]quinazolin-4-yloxy}phenyl)urea