Process for synthesizing L-γ-methylene glutamic acid and analogs
US6977311B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Jul 25, 2003 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Aug 2, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C227/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for synthesizing substantially enantiomerically pure L-amino acids, particularly L-γ-methylene glutamic acid, and esters and salts thereof. The process includes the derivatization of (2S)-pyroglutamic acid, and the decyclization of the resulting derivative to form the desired end product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.