Optically active alkylammonium 1-(3-aminophenyl)-ethanesulphonate derivatives, their preparation and their use
US5523469A · kind A · utility
2Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 10, 1995 |
| Grant date | Jun 4, 1996 |
| Priority date | — |
| Expiry date | Mar 10, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to levogyral isomers of alkylammonium (amino-3 phenyl)-1 ethanesulphonate derivatives of formula (I) in which R+ denotes a tetraalkylammonium or trialkylphenylalkylammonium residue. The invention also concerns the preparation and use of said derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.