Patent ID: 7662833

Claim:
Compounds of formula (I) wherein the radicals R 1 , R 2 , R 3 and R 4 , independently of one another, are a hydrogen atom, a halogen atom, a hydroxy, amino, nitro or thiole group, an alkyl, alkenyl, alkinyl, heteroalkyl, aryl, heteroaryl, cycloalkyl, alkylcycloalkyl, heteroalkylcycloalkyl, heterocycloalkyl, aralkyl or a heteroaralkyl radical, whereby all of these radicals may optionally be substituted, or two of the radicals R 1 , R 2 , R 3 and R 4 together may be part of a cycloalkyl, heterocycloalkyl, aryl or heteroaryl ring, whereby each of these rings may optionally be substituted; R 5 is a hydrogen atom, a halogen atom, a hydroxy, amino, nitro or thiole group, an alkyl, alkenyl, alkinyl, heteroalkyl, aryl, heteroaryl, cycloalkyl, alkylcycloalkyl, heteroalkylcycloalkyl, heterocycloalkyl, aralkyl or heteroaralkyl radical; the radicals R 6 and R 7 , independently of one another, are a hydrogen atom, or an alkyl, alkenyl, alkinyl, heteroalkyl, aryl, heteroaryl, cycloalkyl, alkylcycloalkyl, heteroalkylcycloalkyl, heterocycloalkyl, aralkyl or heteroaralkyl radical, whereby all these radicals may optionally be substituted; and X is a group of formula —CO—NHOH, ——NOH—CHO, —CH 2 —NOH—CHO, or is selected from the following formulae: whereby U is a bond, CH 2 , NH, O or S, V is O, S, NH or CH 2 , W is O, S, NH or CH 2 , and Y is OH or NH 2 , or a pharmaceutically acceptable salt, or a pharmaceutically acceptable formulation thereof.