(S)-3-amino-3-(3-nitro-phenyl)-butyric acid methyl ester 、
N-Boc-N'-benzylthiourea 以the product [(S)-1-benzyl-4-methyl-4-(3-nitro-phenyl)-6-oxo-1,4,5,6-tetrahydro-pyrimidin-2-yl]-carbamic acid tert-butyl ester (165 mg) was obtained as a white solid的产率得到[(S)-1-benzyl-4-methyl-4-(3-nitrophenyl)-6-oxo-1,4,5,6-tetrahydro-pyrimidin-2-yl]carbamic acid tert-butyl ester