Enantioselective synthesis of 4-hydroxy-d-pyroglutamic acid derivatives by an asymmetric 1,3-dipolar cycloaddition
作者:Pedro Merino、Julia Revuelta、Tomas Tejero、Ugo Chiacchio、Antonio Rescifina、Anna Piperno、Giovanni Romeo
DOI:10.1016/s0957-4166(02)00072-1
日期:2002.2
The 1,3-dipolar cycloaddition of a chiral nitrone derived from glyoxylic acid and protected D-ribosyl hydroxylamine with the acrylamide of Oppolzer's sultam provides a perfectly stereoselective approach to protected (2R,4R)-4-hydroxy-D-pyro-lutamic acid. (C) 2002 Elsevier Science Ltd. All rights reserved.