3-[3-(3-methyl-isoxazol-5-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester 、
{2-amino-4-chloro-5-[(2-methoxy-ethyl)-methyl-amino]-phenyl}-carbamic acid tert.-butyl ester 以Obtained as an amorphous yellow substance (207 mg)的产率得到(4-chloro-5-[(2-methoxy-ethyl)-methyl-amino]-2-{3-[3-(3-methyl-isoxazol-5-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert-butyl ester