Method for synthesis of n-[(s)-1-carboxybutyl]-(s)-alanine esters and use in synthesis of perindopril
US6818788B2 · kind B2 · utility
2Cited by
3References
5Claims
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Key dates
| Filing date | Sep 16, 2002 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Sep 16, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C227/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Stereoselective process for the industrial synthesis of compounds of formula (I): wherein R represents linear or branched (C1-C6)alkyl.Application in the synthesis of perindopril and pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.