THE DIASTEREOSELECTIVE SYNTHESIS OF OXACEPHAMS FROM 1,3-2H-OXAZINES

Citation
M. Hatam et al., THE DIASTEREOSELECTIVE SYNTHESIS OF OXACEPHAMS FROM 1,3-2H-OXAZINES, Heterocycles, 43(3), 1996, pp. 675-683
Citations number
37
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
03855414
Volume
43
Issue
3
Year of publication
1996
Pages
675 - 683
Database
ISI
SICI code
0385-5414(1996)43:3<675:TDSOOF>2.0.ZU;2-Z
Abstract
Various oxacephams are obtained from symmetrically and unsymmetrically 2,2,5,5-substituted 1,3-2H-oxazines by the Staudinger reaction. The a nnulation reaction proceeds diastereoselectively with both synthons, a s unequivocally determined by nmr spectroscopical analysis.