Anti-Radical Agents

A pharmaceutical composition comprising at least one of the following compounds

• (3) hindered nitroxyl compounds, hindered hydroxylamine compounds, hindered hydroxylamine salt compounds of the formulae
• where in the above formulae
• G1 is hydrogen;
• C1-C22alkyl;
• C1-C22alkylthio;
• C2-C22alkylthioalkyl;
• C5-C7cycloalkyl;
• phenyl;
• C7-C9phenylalkyl;
• or SO3M;
• G2 is C1-C22alkyl;
• C5-C7cycloalkyl;
• phenyl;
• or C7-C9phenylalkyl;
• Q is —CmH2m—,
• —CmH2m—NH;
• a radical of formula
• T is —CnH2n—;
• —(CH2)n—O—CH2—;
• phenylene;
• or a radical of formula
• V is —O—;
• or —NH—;
• a is 0;
• 1;
• or 2;
• d and g are each independently of one another 0;
• or 1;
• e is an integer from 1 to 4;
• f is an integer from 1 to 3;
• and
• m, n and p are each independently of one another an integer from 1 to 3;
• q is 0 or an integer from 1 to 3;
• if e=1, each of b and c is 1;
• G3 is hydrogen;
• C1-C22alkyl;
• C5-C7cycloalkyl;
• C1-C22alkylthio;
• C2-C22alkylthioalkyl;
• C2-C18alkenyl;
• C1-C18phenylalkyl;
• M;
• SO3M;
• a radical of formula
• or G3 is propyl substituted by OH and/or by C2-C22alkanoyloxy;
• M is alkali;
• ammonium;
• H;
• if e=2, then each of b and c independently is selected from 0 and 1;
• G3 is a direct bond;
• —CH2—;
• or —S—;
• or G3 is propyl substituted by OH or C2-C22alkanoyloxy;
• if
• e=3, then each of b and c independently is selected from 0 and 1;
• G3 is the radical of formula
• if
• e=4, then each of b and c independently is selected from 0 and 1;
• G3 is
• G4 and G5 are each independently of the other hydrogen;
• or C1-C22alkyl;
• A1 and A2 are independently alkyl of 1 to 4 carbon atoms or are together pentamethylene, Z1 and Z2 are each methyl, or Z1 and Z2 together form a linking moiety which may additionally be substituted by an ester, ether, hydroxy, oxo, cyanohydrin, amide, amino, carboxy or urethane group,
• h is the number of positive charges and j is the number of negative charges,
• X is an inorganic or organic anion, and
• where the total charge of cations h is equal to the total charge of anions j, or a compound of the formulae (16), (18), (20), (21), (22), (23)
• together with a pharmaceutically acceptable carrier or adjuvant.