(-)-(4S)-4-amino-4-(4-methylphenyl)-5,5,5-trifluoropentan-2-one 、
α-Chlor-p-nitrobenzylisocyanat 以
5,5-dimethyl-1,3-cyclohexadiene 为溶剂,
以58%的产率得到(4S)-(+)-4-(4-methylphenyl)-6-[(E)-2-(4-nitrophenyl)ethenyl]-4-trifluoromethyl-3,4-dihydropyrimidine-2(1H)-one