Process for the production of penems
US4584133A · kind A · utility
12Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1983 |
| Grant date | Apr 22, 1986 |
| Priority date | — |
| Expiry date | Nov 7, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Improved processes for the production of 6-hydroxyethyl-2-substituted thio penem-3-carboxylates which eliminate the step of using a silver reagent are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.