3-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy)aniline 、 phenyl 3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-ylcarbamate 、
1-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)-3-(3-isopropylisoxazol-5-yl)urea 在
14346-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy 、 phenyl 作用下,
以to afford 14346-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy)phenyl)-3-(3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-yl)urea as a colorless solid (19 mg, 20%)的产率得到3-(3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-yl)urea