Synthesis of the nonproteinogenic amino acid (2S,3S,4S)-3-hydroxy-4-methylproline, a constituent of echinocandins
作者:Nicole Langlois
DOI:10.1016/s0957-4166(98)00112-8
日期:1998.4
An enantioselective synthesis of the unusual 3,4-disubstituted proline 2, a constituent of antifungal echinocandins, has been achieved through 1,3-dipolar cycloaddition of N-methylnitrone to the alpha,beta-unsaturated lactam 4 derived from (S)-pyroglutaminol. (C) 1998 Elsevier Science Ltd. All rights reserved.