Method for preparing aspartylcyclohexyla laninamide
US6384272B2 · kind B2 · utility
1Cited by
1References
8Claims
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Key dates
| Filing date | Dec 4, 2000 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | Dec 4, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07K5/06113
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Disclosure is a method for preparing &agr;-aspartyl-&bgr;-cyclohexylalaninamide, comprising carrying out a first step of amide formation of an &agr;-aspartyl phenylamine ester of general formula (II) wherein: R is a C1-C4 alkyl radical, and then performing a catalytic hydrogenation of the resulting &agr;-aspartyl phenylalaninamide ammonium salt, optionally released previously from its salt, and optionally transforming it into an addition acis salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.