3-(2,2-dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-benzonitrile 、
(3"-amino-[1,1';4',1"]terphenyl-4"-yl)-carbamic acid tert.-butyl ester 以Obtained as an off-white solid (156 mg)的产率得到{3-[3-(3-cyano-phenyl)-3-oxo-propionylamino]-[1,1';4',1"]terphenyl-4-yl}-carbamic acid tert.-butyl ester