Lower alkyl esters of .alpha.-formamido,.alpha.-carbalkoxy tryptophans
US4140697A · kind A · utility
8Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1977 |
| Grant date | Feb 20, 1979 |
| Priority date | — |
| Expiry date | Nov 9, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Lower alkyl esters of 2-formamido-3(4,5,6 or 7-methyl substituted-3-indolyl)-2-carbalkoxy propionic acid which are useful as intermediates for tryptophane sweetners.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.