Patent ID: 7897603

Claim:
A compound of the formula I wherein R 1 denotes a group wherein R 1.1 denotes H or H 3 C—O—, R 2 denotes a group of general formula II wherein R 2.1 denotes HO, H 3 CO, H—C(O)—O or H 3 C—C(O)—O— and R 2.2 denotes C 1-2 -alkyl or H 3 CO—, R 3 denotes R 4 —C 2-8 -alkylene-NH— and R 4 denotes H, H 2 N, C 1-3 -alkyl-NH, (C 1-3 -alkyl) 2 -N or C 1-6 -alkyl-O—C(O)—NH— or R 3 denotes a group of general formulae III wherein R 3.2 denotes H or C 1-3 -alkyl, R 3.3 denotes a free electron pair or an oxygen atom, R 3.4 denotes H or C 1-3 -alkyl and R 4 denotes H, C 1-6 -alkyl, H 2 N—C 2-6 -alkylene, C 1-3 -alkyl-NH—C 2-6 -alkylene, (C 1-3 -alkyl) 2 -N—C 1-6 -alkylene, C 3-6 -cycloalkyl-C 1-3 -alkylene, NH 2 , C 1-3 -alkyl-NH or (C 1-3 -alkyl) 2 -N, or R 4 denotes a group selected from or R 4 denotes a group of general formulae IV wherein X denotes C and R 4.1 denotes H, OH or C 1-3 -alkyl or X denotes N and R 4.1 denotes a free electron pair or an oxygen atom, Y denotes O, S, S(O), S(O) 2 , if X═N, or Y denotes S, S(O), S(O) 2 , if X═C, R 4.2 denotes H or C 1-3 -alkyl, R 4.3 denotes H or C 1-3 -alkyl, R 4.4 denotes a free electron pair or, if R 5.2 is not H or C 1-3 -alkyl-C(O)—, an oxygen atom, R 5.1 denotes H, CN, OH, C 1-3 -alkyl, C 1-3 -alkyl-C(O)—O, C 1-3 -alkyl-O, R 5.1,1 —O—C(O), R 5.1,1 —O—C(O)—C 2-4 -alkylene or R 5.1,1 —O—C(O)—C 1-3 -alkylene-O, R 5.1.1 denotes H, C 1-6 -alkyl, H 2 N—C(O)—C 1-3 -alkylene, C 1-3 -alkyl-NH—C(O)—C 1-3 -alkylene, (C 1-3 -alkyl) 2 -N—C(O)—C 1-3 -alkylene or C 1-3 -alkyl-O—C(O)—O—C 1-3 -alkylene, R 5.2 denotes H, C 1-3 -alkyl, C 3-6 -cycloalkyl, C 3-6 -cycloalkyl-C 1-3 -alkylene, C 1-3 -alkyl-C(O), R 5.2.1 —O—C(O)—C 1-3 -alkylene or R 5.2.2 —C 2-4 -alkylene-O—C(O)—C 1-3 -alkylene, R 5.2.1 denotes H, C 1-6 -alkyl, C 1-6 -alkyl-C(O)—O—C 1-3 -alkylene, C 1-3 -alkyl-O—C(O)—O—C 1-3 -alkylene, C 3-7 -cycloalkyl-O—C(O)—O—C 1-3 -alkylene, H 2 N—C(O)—C 1-3 -alkylene, C 1-3 -alkyl-NH—C(O)—C 1-3 -alkylene, (C 1-3 -alkyl) 2 -N—C(O)—C 1-3 -alkylene or R 5.2.1,1- C(O)—C 1-3 -alkylene and R 5.2.1.1 denotes a group selected from or R 5.2.1 denotes a group selected from R 5.2.2 denotes H 2 N, C 1-3 -alkyl-NH, (C 1-3 -alkyl) 2 -N, C 1-3 -alkyl-O or C 1-3 -alkyl-O—C 2-4 -alkylene-O, or R 5.2.2 denotes a group selected from with the proviso that R 3 and R 4 are not bound to one another simultaneously via an N atom, or a tautomer or salt thereof.