Synthesis of α,α-disubstituted α-amino acid amides by phase-transfer catalyzed alkylation
作者:Bernard Kaptein、Wilhelmus H.J. Boesten、Quirinus B. Broxterman、Hans E. Schoemaker、Johan Kamphuis
DOI:10.1016/s0040-4039(00)61112-7
日期:1992.9
α,α-Disubstituted α-amino acid amides were prepared in 17–86% chemical yield by the phase-transfer catalyzed alkylation of N-benzylidene α-H amino acid amides, followed by weak acidic hydrolysis of the Schiff bases.
通过相转移催化N-亚苄基α-H氨基酸酰胺的烷基化反应,然后对席夫碱进行弱酸性水解,可以制备出化学产率为17-86%的α,α-二取代的α-氨基酸酰胺。