2-Phenyl isopropyl and t-butyl trichloroacetimidates: Useful reagents for ester preparation of N-protected amino acids under neutral conditions
作者:Josiane Thierry、Chongwei Yue、Pierre Potier
DOI:10.1016/s0040-4039(97)10851-6
日期:1998.3
2-Phenylisopropyl and t-butyl trichloroacetamidates 1 and 2 are useful reagents for the esterification of N-protected aminoacids under mild neutralconditions. In the case of hydroxyl-containing amino acids, dialkylation occurs but no selectivity could be obtained.