1,3 imidazolidine derivatives and their use in the production of carbapenem
US8383661B2 · kind B2 · utility
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Key dates
| Filing date | Oct 1, 2009 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Jul 18, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D403/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Preparation of new heterocyclic compounds characterized by 1,3-imidazolidine structure useful for stereoselective synthesis of optically pure key intermediates in 1β-methylcarbapenem production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.