SYNTHESIS OF 5-SUBSTITUTED-3,3-DIMETHYL-2-PYRROLIDINONES - QUAT CHIRAL AUXILIARIES

Citation
Sg. Davies et al., SYNTHESIS OF 5-SUBSTITUTED-3,3-DIMETHYL-2-PYRROLIDINONES - QUAT CHIRAL AUXILIARIES, Tetrahedron letters, 35(15), 1994, pp. 2369-2372
Citations number
11
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
35
Issue
15
Year of publication
1994
Pages
2369 - 2372
Database
ISI
SICI code
0040-4039(1994)35:15<2369:SO5-QC>2.0.ZU;2-9
Abstract
The synthesis of a series of chiral auxiliaries, 5-substituted-3,3-dim ethyl-2-pyrrolidinones, ''quats'', from L-glutamic acid is described. Efficient regeneration of the chiral auxiliaries from their N-pivaloyl derivatives is readily achieved with LiOH in THF-water at 20 degrees C.