tert-butyl (2-amino-4-[pyridin-2-yl]phenyl)carbamate 、
6-(3-chloro-thiophen-2-yl)-2,2-dimethyl-[1,3]dioxin-4-one 以Obtained as an amorphous brown solid (145 mg)的产率得到{2-[3-(3-chloro-thiophen-2-yl)-3-oxo-propionylamino]-4-pyridin-2-yl-phenyl}-carbamic acid tert-butyl ester