tert-butyl 3-(2-cyanopyridin-4-yl)-3-oxopropanoate 、
(2-amino-4-isopropyl-phenyl)-carbamic acid tert.-butyl ester 以Obtained as a light brown solid (183 mg)的产率得到{2-[3-(2-cyano-pyridin-4-yl)-3-oxo-propionylamino]-4-isopropyl-phenyl}-carbamic acid tert-butyl ester