共 49 条
- [49] Synthesis of enantiomerically pure beta-amino acids from 2-tert-butyl-1-carbomethoxy-2,3-dihydro-4(1H)-pyrimidinone: (R)-3-amino-3-(p-methoxyphenyl)propionic acid - (1(2H)-pyrimidinecarboxylic acid, 2-(1,1-dimethylethyl)-3,4-dihydro-4-oxo, methyl ester, (R)- or (S)-) ORGANIC SYNTHESIS, VOL 73, 1996, 73 : 201 - 214