[EN] PRODRUG INHIBITORS<br/>[FR] INHIBITEURS DE PROMÉDICAMENT
申请人:UNIV LEIDEN
公开号:WO2020204715A1
公开(公告)日:2020-10-08
Provided herein are compounds useful as metallo-β-lactamase (MBL) inhibitors. The compounds have a formula A–B, where A is a β-lactam antibiotic moiety comprising a bridging methylene (-CH2-) covalently attached to -B; and B is a latent MBL inhibitor. Also provided are formulations comprising such compounds; as well as such compounds or formulations for use as a medicament. The compounds and formulations may be used in the treatment of antibiotic resistance, bacterial infection. The compounds and formulations may be used in the inhibition of a bacterial MBL.
Novel cephem compound, method for producing the same and anti-bacterial agent
申请人:MEIJI SEIKA KABUSHIKI KAISHA
公开号:EP0349340A2
公开(公告)日:1990-01-03
Disclosed is a novel cephem compound which is either one of a cis- or trans-isomer or a mixture of the cis- and trans-isomers, represented by the following general formula (I) and a pharmacologically acceptable salt thereof:
wherein all of the substituents are as defined hereinbefore.
Also disclosed are a process for producing the above compound and its use as an anti-bacterial agent comprising the same.
PROCESS FOR THE SELECTIVE PREPARATION OF Z-ISOMERS OF 3-(2-SUBSTITUTED VINYL)CEPHALOSPORINS
申请人:Meiji Seika Kaisha, Ltd.
公开号:EP1016665A1
公开(公告)日:2000-07-05
Z-Isomers of compounds of general formula (IV): [wherein R1 is 2-(2-N-protected aminothiazol-4-yl)-2-alkoxyiminoacetyl or the like, R1 is hydrogen or the like; R3 is hydrogen, a carboxyl-protecting group or the like; and R1 is alkyl or the like] can be prepared at high selectivities and in high yields by reacting a compound of general formula (I): [wherein R1, R2 and R3 are each as defined above; and R4 is aryl or the like] with a 4-substituted or -unsubstituted thiazole-5-carbaldehyde in a mixed solvent comprising a chlorinated hydrocarbon and a lower alkanol at a temperature of as low as +5 °C or below.