Patent ID: 7138398

Claim:
A compound of formula I, wherein one of R 1 and R 2 is selected from the group consisting of (C 1 –C 8 )-alkyl, wherein the (C 1 –C 8 )-alkyl is unsubstituted or substituted by at least one identical or different substituents chosen from hydroxyl, (C 1 –C 4 )-alkoxy, (C 1 –C 4 )-alkyl-S(O) m —, unsubstituted or substituted phenyl, unsubstituted or substituted naphthyl and unsubstituted or substituted pyridyl; and (C 3 –C 9 )-cycloalkyl, wherein the (C 3 –C 9 )-cycloalkyl is unsubstituted or substituted by at least one identical or different substituents chosen from (C 1 –C 4 )-alkyl, hydroxyl, amino and unsubstituted or substituted benzyl, and wherein the other one of R 1 and R 2 is hydrogen, and wherein the radicals phenyl, naphthyl, pyridyl and benzyl contained in the radicals R 1 or R 2 are unsubstituted or substituted in the aromatic ring by at least one identical or different substituents chosen from halogen, (C 1 –C 4 )-alkyl, phenyl, CF 3 , NO 2 , OH, —O—(C 1 –C 4 )-alkyl, —O—(C 2 –C 4 )-alkyl-O—(C 1 –C 4 )-alkyl, (C 1 –C 2 )-alkylenedioxy, NH 2 , —NH—(C 1 –C 4 )-alkyl, —N((C 1 –C 4 -alkyl) 2 , —NH—CHO, —NH—CO—(C 1 –C 4 )-alkyl, —CN, —CO—NH 2 , —CO—NH—(C 1 –C 4 -alkyl, —CO—N((C 1 –C 4 )-alkyl) 2 , —CO—OH, —CO—O—(C 1 –C 4 )-alkyl, —CHO and —CO—(C 1 –C 4 )-alkyl, wherein R 3 is aryl but cannot be unsubstituted phenyl; wherein aryl is chosen from phenyl, naphthyl and heteroaryl, and wherein said phenyl, naphthyl, and heteroaryl is unsubstituted or substituted by at least one identical or different substituents chosen from halogen, (C 1 –C 4 )-alkyl, phenyl, CF 3 , NO 2 , OH, —O—(C 1 –C 4 )-alkyl, —O—(C 2 –C 4 )-alkyl-O—(C 1 –C 4 )-alkyl, (C 1 –C 2 )-alkylenedioxy, NH 2 , —NH—(C 1 –C 4 -alkyl, —N((C 1 –C 4 )-alkyl) 2 , —NH—CHO, —NH—CO—(C 1 –C 4 )-alkyl, —CN, —CO—NH 2 , —CO—NH—(C 1 –C 4 )-alkyl, —CO—N((C 1 –C 4 -alkyl) 2 , —CO—OH, —CO—O—(C 1 –C 4 )-alkyl, —CHO and —CO—(C 1 –C 4 )-alkyl; wherein heteroaryl is chosen from a radical of a monocyclic 5-membered aromatic heterocycle, a radical of a monocyclic 6-membered aromatic heterocycle, a radical of a bicyclic 8-membered aromatic heterocycle, a radical of a bicyclic 9-membered aromatic heterocycle, and a radical of a bicyclic 10-membered aromatic heterocycle, each of which contain at least one identical or different ring heteroatoms chosen from N, O and S; and m is 0, 1 or 2; or a salt thereof, in any stereoisomeric form, or a mixture of any such compounds in any ratio.