Aminocarbonyl-substituted 8-N-benzimidazoles, methods for their preparation and their use in pharmaceutical compositions

The compound of formula I

• wherein
• R20 is H;
• R21 is selected from the group consisting of (C6-C10)-aryl and (C1-C6)-alkylene-(C6-C10)-aryl, where the aryl radicals may be mono- or polysubstituted by F, Cl, Br, I, CN, NO2, SH, OH, CF3, (C1-C6)-alkyl, O—(C1-C6)-alkyl, or S—(C1-C6)-alkyl;
• R3 is (C2-C10)-alkenyl;
• R4, R5 are each H;
• R11 is selected from the group consisting of F, Cl, Br, I, (C1-C6)-alkyl, (C3-C8)-cycloalkyl, NH2, NH(C1-C6)-alkyl, NH(C3-C7)-cycloalkyl, N((C1-C6)-alkyl)2 and O—(C1-C6)-alkyl, where the alkyl groups may be mono- or polysubstituted by F, Cl, Br or I;
• and
• n is 0;
• or a pharmaceutically acceptable salt thereof.