Compounds of formula 1 wherein A is phenyl or a five- or six-membered, aromatic heteroring, wherein one, two or three elements are replaced by an element selected independent from each other from the group consisting ofN, O, S and (O - N +); or a ring system of two fused five- or six-membered, aromatic heterorings, wherein one, two or three elements are replaced by an element selected independent from each other from the group consisting ofN, O, S, 2 S and (O - N +); R 1a is H, C 1-4 -alkyl-, C 1-4 -haloalkyl-, C 3-6 -cyloalkyl-, NC-, C 1-4 -atkyl- S-, C 1-4 -alkyl- 2 S-, C 3-6 -cycloalkyl- S-, C 3-6 -cycloalkyl- 2 S-, C 1-4 -haloalkyl- S-, C 1-4 -haloalkyl- 2 S-, H 2 N 2 S-, R 1a.1 -C 1-4 -alkyl-, R 1a.1; R 1a.1 is a five- or six-membered, aromatic or non-aromatic heteroring, wherein one, two or three elements are replaced by an element selected independent from each other from the group consisting ofN and O; optionally substituted with O= or C 1-4 -Alkyl-; R 1b is H, O=, halogen, C 1-4 -alkyl-O- or C 1-4 -alkyl-; or R 1a and R 1b are together C 2-4 -alkylene forming a carbocyclic heteroring, wherein one element of the ring is replaced by 2 S; R 2 is C 1-6 -alkyl-, C 1-6 -haloalkyl-, C 1-4 -alkyl-O-C 1-4 -alkyl- or a ring selected from the group consisting of C 3-6 -cycloalkyl-, C 3-6 -halocycloalkyl-, C 3-6 -cycloalkyl-C 1-4 -alkyl-, C 3-6 -halocycloalkyl-C 1-4 -alkyl-; wherein one element of the above mentioned rings is optionally replaced by O; R 3 is C 1-4 -alkyl-; R 4 is phenyl or a five- or six-membered, aromatic heteroring, wherein one or two elements are replaced by an element selected independent from each other from the group consisting of N, O and S; each element of one of the rings optionally substituted with a residue selected from the group consisting of C 1-4 -alkyl-, C 3-6 -cycloalkyl-, C 1-4 -haloalkyl- and halogen; R 5 is H, C 1-4 -alkyl-, C 1-4 -haloalkyl- and C 3-6 -cycloalkyl-; R 6 is H, C 1-4 -alkyl-; R 7 is H, C 1-4 -alkyl-; or R 6 and R 7 are together C 2-5 -alkylene forming a carbocyclic ring; or a salt thereof. A is phenyl or a five- or six-membered, aromatic heteroring, wherein one, two or three elements are replaced by an element selected independent from each other from the group consisting ofN, O, S and (O - N +); or a ring system of two fused five- or six-membered, aromatic heterorings, wherein one, two or three elements are replaced by an element selected independent from each other from the group consisting ofN, O, S, 2 S and (O - N +); R 1a is H, C 1-4 -alkyl-, C 1-4 -haloalkyl-, C 3-6 -cyloalkyl-, NC-, C 1-4 -atkyl- S-, C 1-4 -alkyl- 2 S-, C 3-6 -cycloalkyl- S-, C 3-6 -cycloalkyl- 2 S-, C 1-4 -haloalkyl- S-, C 1-4 -haloalkyl- 2 S-, H 2 N 2 S-, R 1a.1 -C 1-4 -alkyl-, R 1a.1; R 1a.1 is a five- or six-membered, aromatic or non-aromatic heteroring, wherein one, two or three elements are replaced by an element selected independent from each other from the group consisting ofN and O; optionally substituted with O= or C 1-4 -Alkyl-; R 1b is H, O=, halogen, C 1-4 -alkyl-O- or C 1-4 -alkyl-; or R 1a and R 1b are together C 2-4 -alkylene forming a carbocyclic heteroring, wherein one element of the ring is replaced by 2 S; R 2 is C 1-6 -alkyl-, C 1-6 -haloalkyl-, C 1-4 -alkyl-O-C 1-4 -alkyl- or a ring selected from the group consisting of C 3-6 -cycloalkyl-, C 3-6 -halocycloalkyl-, C 3-6 -cycloalkyl-C 1-4 -alkyl-, C 3-6 -halocycloalkyl-C 1-4 -alkyl-; wherein one element of the above mentioned rings is optionally replaced by O; R 3 is C 1-4 -alkyl-; R 4 is phenyl or a five- or six-membered, aromatic heteroring, wherein one or two elements are replaced by an element selected independent from each other from the group consisting of N, O and S; each element of one of the rings optionally substituted with a residue selected from the group consisting of C 1-4 -alkyl-, C 3-6 -cycloalkyl-, C 1-4 -haloalkyl- and halogen; R 5 is H, C 1-4 -alkyl-, C 1-4 -haloalkyl- and C 3-6 -cycloalkyl-; R 6 is H, C 1-4 -alkyl-; R 7 is H, C 1-4 -alkyl-; or R 6 and R 7 are together C 2-5 -alkylene forming a carbocyclic ring; or a salt thereof. R 1a.1 is a five- or six-membered, aromatic or non-aromatic heteroring, wherein one, two or three elements are replaced by an element selected independent from each other from the group consisting ofN and O; optionally substituted with O= or C 1-4 -Alkyl-; R 1b is H, O=, halogen, C 1-4 -alkyl-O- or C 1-4 -alkyl-; or R 1a and R 1b are together C 2-4 -alkylene forming a carbocyclic heteroring, wherein one element of the ring is replaced by 2 S; R 2 is C 1-6 -alkyl-, C 1-6 -haloalkyl-, C 1-4 -alkyl-O-C 1-4 -alkyl- or a ring selected from the group consisting of C 3-6 -cycloalkyl-, C 3-6 -halocycloalkyl-, C 3-6 -cycloalkyl-C 1-4 -alkyl-, C 3-6 -halocycloalkyl-C 1-4 -alkyl-; wherein one element of the above mentioned rings is optionally replaced by O; R 3 is C 1-4 -alkyl-; R 4 is phenyl or a five- or six-membered, aromatic heteroring, wherein one or two elements are replaced by an element selected independent from each other from the group consisting of N, O and S; each element of one of the rings optionally substituted with a residue selected from the group consisting of C 1-4 -alkyl-, C 3-6 -cycloalkyl-, C 1-4 -haloalkyl- and halogen; R 5 is H, C 1-4 -alkyl-, C 1-4 -haloalkyl- and C 3-6 -cycloalkyl-; R 6 is H, C 1-4 -alkyl-; R 7 is H, C 1-4 -alkyl-; or R 6 and R 7 are together C 2-5 -alkylene forming a carbocyclic ring;