REACTIONS OF CEPHALOSPORIN SULFONES 1 - REARRANGEMENT OF THE BETA-LACTAM RING TO A TRIAZOLE DERIVATIVE

Authors
GUNDA TE TAMAS L SALYI S
Citation
Te. Gunda et al., REACTIONS OF CEPHALOSPORIN SULFONES 1 - REARRANGEMENT OF THE BETA-LACTAM RING TO A TRIAZOLE DERIVATIVE, Tetrahedron letters, 39(19), 1998, pp. 3061-3064
Citations number
12
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
39
Issue
19
Year of publication
1998
Pages
3061 - 3064
Database
ISI
SICI code
0040-4039(1998)39:19<3061:ROCS1->2.0.ZU;2-Y
Abstract
The 7 beta-amino-cephalosporin sulphones, generated in situ from the a ppropriate 7 beta-tBoc-amino derivative and diazotized in a one-pot re action in aq. HClO4 - MeOH - NaNO2, rearrange exclusively to the triaz oles 5 in a multistep reaction. (C) 1998 Elsevier Science Ltd. All rig hts reserved.