[EN] IMPROVED BETA-LACTAM ANTIBIOTICS<br/>[FR] ANTIBIOTIQUES DE LA FAMILLE DES BETA-LACTAMINES AMELIORES
申请人:NEWBIOTICS INC
公开号:WO2001083492A1
公开(公告)日:2001-11-08
The present invention provides compositions comprising improved beta-lactam antibiotics and methods for applying these compositions to inhibit the growth of microbial infections. The improved antibiotics are capable of inhibiting the growth of both antibiotic sensitive and antibiotic resistant microorganisms. In addition, the invention provides methods for treating a subject infected with a microorganism by administering the compositions of the invention.
N-substituted-2-(R)-(sulfinic acid)-3-(S)-(acylamido)-4-oxo-azetidines and process
申请人:ELI LILLY AND COMPANY
公开号:EP0109816A1
公开(公告)日:1984-05-30
N-substituted-2-(R)-(sulfinic acid)-3-(S)-(acylamino)-4-oxo-azetidines, which are useful as intermediates in 1-oxa β-lactam antibiotics, are synthesized by electrolytic reduction of 7-(S)-acylamino-3-hydroxymethyl-3-cephem-4-carboxylic acid compounds.
A compound represented by the following formula (9):
wherein R5 represents an amino or protected amino group and Y represents a hydrogen atom, a lower alkyl group, a halogen atom or a nitro group, or a salt thereof.
7-acyl-3-(substituted carbamoyloxy) cephem compounds, use thereof and process for their preparation
申请人:Eisai Co., Ltd.
公开号:EP1074554A2
公开(公告)日:2001-02-07
A compound represented by the following formula (1a):
a process for the preparation thereof, an antibacterial composition comprising the same and the use thereof for the preparation of a medicament and for the synthesis of related cephem compounds.