Novel oximes
US4260747A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1978 |
| Grant date | Apr 7, 1981 |
| Priority date | — |
| Expiry date | Nov 29, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel syn isomers of 3-substituted-7-amino-thiazolyl-acetamido-cephalosporanic acid compounds of the formula ##STR1## wherein R is selected from the group consisting of alkyl of 1 to 5 carbon atoms, cycloalkyl of 3 to 5 carbon atoms and --CH.sub.2 --S--R.sub.1, R.sub.1 is selected from the group consisting of 2-methyl-1,3,4-thiadiazolyl, 1-methyl tetrazolyl, acyl of an organic carboxylic acid of 2 to 4 carbon atoms and ##STR2## R.sub.2 is selected from the group consisting of alkyl and alkoxy of 1 to 4 carbon atoms and A is selected from the group consisting of hydrogen, alkali metal, alkaline earth metal, magnesium and a non-toxic, pharmaceutically acceptable organic amine having antibiotic activity and novel intermediates and process for their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.