.beta.-Lactam anti-bacterial, compositions containing them and a process for their preparation
US4323569A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 23, 1979 |
| Grant date | Apr 6, 1982 |
| Priority date | — |
| Expiry date | Aug 23, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/568
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The compounds of the formula (II): ##STR1## and salts and esters thereof wherein R.sub.1 is a pyrimidyl group, or a pyrimidyl group substituted by one or two lower alkyl groups, or by a lower alkoxy group or by a lower acyloxy group; and R.sub.2 is a hydrogen atom or a group CR.sub.3 R.sub.4 R.sub.5 wherein R.sub.3 is a hydrogen atom or a hydroxy group; R.sub.4 is a hydrogen atom or a lower alkyl group; and R.sub.5 is a hydrogen atom or a lower alkyl group, a benzyl group, a phenyl group or is joined to R.sub.4 to form part of a C.sub.5-7 carbocyclic ring, have been found to be anti-bacterial-agents. Their preparation and use is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.