Metal complexes of hydroxyaryl containing aminocarboxylic acid chelating agents
US5807535A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1995 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Dec 15, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K51/048
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A physiologically acceptable, radiolabelled compound of general formula (I) consisting of a compound of the ##STR1## where k is an integer from 2 to 5 l is an integer from 1 to 5 X and Y are independently selected from phenyl, naphthyl, pyridine or quinoline radical, each having at position 2 one of --OH, --SH, --NH.sub.2 or --COOH and each of X and Y can be optionally substituted by one or more amino, halogen, hydroxy, mercapto, nitro, cyano, thiocyano, alkyl, alkoxy, halogenoalkyl, acyl, acylamino, acyloxy, carboxyl, alkoxycarbonyl, carbamoyl, pyridoylamino, N-carboxyalkyl-carbamoyl, sulpho, sulphamoyl, mono- or dialkylated or phenylated sulphamoyl which can also carry one or more substituents R', alkylsulphonyl, alkoxysulphonyl, or by an optionally hydroxy-containing phenylsulphonyl or phenoxysulphonyl; where R' is as defined for X and Y; or pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.