Pyrroles and pyrrolidines
US4316847A · kind A · utility
13Cited by
14References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1980 |
| Grant date | Feb 23, 1982 |
| Priority date | — |
| Expiry date | Oct 22, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The preparation of racemic and optically pure tryptophans is described. The D-enantiomers of the 6-substituted compounds possess a potent sweetening capability. Novel intermediates are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.