Production of indolepyruvic acid and the 5-hydroxy derivative thereof
US4808728A · kind A · utility
10Cited by
1References
8Claims
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Key dates
| Filing date | Mar 2, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Mar 2, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Tryptophan and esters thereof, and other indoleaminoacids, can be easily transformed into respective alpha-ketoacids through a coupling reaction with aromatic aldehydes, in the presence of a dehydrating agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.