Synthesis of compounds useful in the manufacture of ketorolac
US6559319B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Sep 3, 2002 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Sep 3, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A multi-step method of synthesizing ketorolac, an analgesic compound, is shown. Several of the reactions and intermediate compounds are novel. The reaction sequence begins with the known compound N-2-bromoethylpyrrole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.