Compound of general formula (1), where A1 means -N = or -CR7 =； A2 means -N = or -CR8 =； A3 means -N = or -CR9 =； A4 means -N = or -CR10 =； with the proviso that at most two of the groups A1, A2, A3 and A4, preferably 0, 1 or 2 of the groups 10 A1, A2, A3 and A4, represent -N =； Y1, Y1 ', Y2, Y2', Y3, Y3 ', Y4 and Y4' are selected in each case, independently of each other, from the group consisting of -H, -F, -Cl, -Br, -I, -CN, -NO2, -CHO, -R0, -C (= O) R0, -C (= O) -H, -C (= O) -OH, -C (= O) OR0, C (= O ) NH2, -C (= O) NHR0, -C (= O) N (R0) 2, -OH, -OR0, -OC (= O) H, -OC (= O) R0, -OC (= O ) OR0, -OC (= O) NHR0, -OC (= O) N (R0) 2, -SH, -SR0, -SO3H, -S (= O) 1-2-R0, -S (= O) 1-2NH2, -NH2, -NHR0, -N (R0) 2, -N + (R0) 3, -N + (R0) 2O-, NHC (= O) R0, -NHC (= O) OR0, -NHC ( = O) NH2, -NHC (= O) -NHR0, -NHC (= O) -N (R0) 2； or Y1 and Y1 ', or Y2 and Y2', or Y3 and Y3 ', or Y4 and Y4' together mean = O； W means -NR4-, -O- or -S-； R0 represents, independently in each case, -aliphatic (C1-8), -cycloaliphatic (C3-12), -aryl, -heteroaryl, aliphatic (C1-8) cycloaliphatic (C3-12), -aliphatic (C1-8) aryl, -aliphatic (C1-8) heteroaryl, -cycloaliphatic (C3-8) -aliphatic (C1-8), cycloaliphatic (C3-8) aryl or -cycloaliphatic (C3-8) heteroaryl； R1 and R2 represent, independently of each other, -H or -R0； or R1 and R2 together mean -CH2CH2OCH2CH2-, -CH2CH2NR11CH2CH2- or - (CH2) 3-6-； R3 means -R0； R4 means -H, -R0, -COR12 or -S (= O) 2R12； R5, R5 ', R6, R6', R7, R8, R9, R10, R18 and R19 mean in each case, independently of each other, -H, -F, -Cl, -Br, -I, -NO2, -CF3 , -OR13, -SR13, -S (= O) 2R13, -S (= O) 2OR13, -S (= O) 2NR14R15, -CN, -C (= O) OR13, -C (= O) NR13, -C (= O) NR0OR0, -NR14R15, -NHC (= O) R0, -NHC (= O) NHR0, -NHC (= O) N (R0) 2, -NHC (= O) OR0, -NHS ( = O) 1-2R0, = O or -R0； or R5 and R6 together mean - (CH2) 2-6, some individual hydrogen atoms can also be substituted by -F, -Cl, -Br, -I, -NO2, -CF3, -OR13, -CN or -aliphatic ( C1-6)； R11 independently represents in eac
