Certain alpha-azacycloalkyl substituted arylsulfonamido acetohydroxamic acids
US5817822A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1997 |
| Grant date | Oct 6, 1998 |
| Priority date | — |
| Expiry date | Jan 24, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the alpha-(N-substituted pyrrolidinyl and piperidinyl) alpha-(arysulfonamido)-aceto-hydroxamic acids of formula I ##STR1## wherein R represents acyl derived from a carboxylic acid, from a carbonic acid or from a carbamic acid; or R represents (lower alkyl, aryl-lower alkyl or aryl)-sulfonyl, di-(aryl-lower alkyl or alkyl)-aminosulfonyl, or aryl-lower alkyl; Ar represents carbocyclic aryl, heterocyclic aryl or biaryl; R.sub.1 and R.sub.2 represent independently hydrogen, lower alkyl, lower alkoxy, halogen, hydroxy, acyloxy, lower alkoxy-lower alkoxy, trifluoromethyl or cyano; or R.sub.1 and R.sub.2 together on adjacent carbon atoms represent lower alkylenedioxy; m represents zero or one; n represents an integer from 1 to 5; pharmaceutically acceptable prodrug derivatives thereof; and pharmaceutically acceptable salts thereof; further to a process for the preparation of these compounds, to pharmaceutical compositions comprising these compounds, to the use of these compounds for the therapeutic treatment of the human or animal body or for the manufacture of a pharmaceutical composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.