Process for the industrial synthesis of the methyl diester of 5-amino-3-carboxymethyl-4-cyano-2-thiophenecarboxylic acid, and application to the synthesis of bivalent salts of ranelic acid and their hydrates
US7462714B2 · kind B2 · utility
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Key dates
| Filing date | Feb 21, 2006 |
| Grant date | Dec 9, 2008 |
| Priority date | — |
| Expiry date | Aug 2, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the industrial synthesis of the compound of formula (I):Application to the synthesis of bivalent salts of ranelic acid and more especially strontium ranelate and its hydrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.