Chemistry of Aziridine Carboxylic Acids, 7. Synthesis of Ethyl (2R,3S)-N-Boc- and -N-Benzyl-3-vinylaziridine-2-carboxylates: New Potential Building Blocks for Enantiomerically Pure Unsaturated Amino Acids
作者:Klaus Jähnisch
DOI:10.1002/jlac.199719970419
日期:1997.4
Enantiomericallypure cis- and trans-1H-aziridine-carboxylic acid derivatives 2a, b and 3a, b have been prepared by asymmetric Michael-type addition of ammonia to chiral acrylates 1a, b with high syn selectivity. The title compounds were obtained from the diols 8a, b by Corey-Winter olefination.