N-aralkyl- and N-heteroaralkyl-aminoalkanephosphinic acids
US5332729A · kind A · utility
14Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1993 |
| Grant date | Jul 26, 1994 |
| Priority date | — |
| Expiry date | May 3, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/653
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
N-aralkyl- and N-heteroaralkyl-aminoalkanephosphinic acids of formula I ##STR1## wherein R is an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic or heteroarylaliphatic radical having at least 2 carbon atoms, PA1 R.sub.1 is hydrogen or hydroxy, PA1 R.sub.2 is an araliphatic or heteroarylaliphatic radical substituted by free or functionally modified carboxy that is bonded directly or by way of a spacer, and PA1 R.sub.3 is hydrogen, lower alkyl or a group R.sub.2, and the salts thereof have valuable nootropic and anti-epileptic properties and can be used in the preparation of a nootropic or anti-epileptic medicament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.