Method for synthesis of n-[(s)]-1-carboxybutyl-(s)-alanine esters and use in synthesis of perindopril
US6774259B2 · kind B2 · utility
2Cited by
5References
6Claims
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Key dates
| Filing date | Oct 9, 2002 |
| Grant date | Aug 10, 2004 |
| Priority date | — |
| Expiry date | Dec 28, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A stereoselective process for the industrial synthesis of compounds of formula (I): wherein R represents linear or branched (C1-C6)alkyl, andapplication in the synthesis of perindopril and pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.