Heterocyclthio compounds, process for their manufacture, pharmaceutical preparations that contain these compounds, and the the use of the latter
US4616007A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 15, 1985 |
| Grant date | Oct 7, 1986 |
| Priority date | — |
| Expiry date | Jul 15, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/568
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2-heterocyclythio-lower alkyl-2-penem compounds of the formula ##STR1## in which R.sub.1 represents hydrogen or methyl, R.sub.2 represents an optionally protected hydroxy group, R.sub.3 represents carboxy or protected carboxy R.sub.3 ', R.sub.4 represents an unsaturated monocyclic heterocyclyl radical that is bonded via a ring carbon atom to the sulphur atom, and m is 2, 3 or 4, and salts of such compounds of the formula I that have a salt-forming group, optical isomers of compounds of the formula I and mixtures of these optical isomers, possess antibiotic properties. The compounds are manufactured according to processes known per se.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.