Inhibition of .beta.lactamase with 6 .beta.-(substituted
申请人:Farmitalia Carlo Erba S.r.l.
公开号:US05200403A1
公开(公告)日:1993-04-06
Compounds of the formula I ##STR1## wherein R' is a free or esterified carboxy group or a carboxylate anion and R.sup.2 is an organic group have beta-lactamase inhibition activity. A process for the preparation of the same and pharmaceutical compositions containing these compounds are provided.
Highly chemoselective and stereocontrolled access to 6-alpha-allyl penicillanates
作者:Stephen Hanessian、Marco Alpegiani
DOI:10.1016/s0040-4039(00)85081-9
日期:1986.1
HANESSIAN, STEPHEN;ALPEGIANI, MARCO, TETRAHEDRON, 45,(1989) N, C. 941-950
作者:HANESSIAN, STEPHEN、ALPEGIANI, MARCO
DOI:——
日期:——
US5200403A
申请人:——
公开号:US5200403A
公开(公告)日:1993-04-06
Highly stereoselective free radical C-6-allylation of penams - synthesis of a noval β-lactamase inhibitor
作者:Stephen Hanessian、Marco Alpegiani
DOI:10.1016/0040-4020(89)80006-7
日期:1989.1
Highly efficient radical-induced C-allylation is possible with 6-bromo and 6,6-dibromopenams with excellent chemo- and steicoselectivity. 6-β-Allyl penicillin 1,1-dioxide sodium salt is a novel β-lactamase inhibitor.