ИСТИНА

A metal complex, InCyLMZp (1)​, wherein M is a group 4 metal Z is an anionic ligand, p is no. of 1 to 2, preferably I, InCy is an indole fused cyclopentadienyl-​type ligand of the formula I wherein R1 means for each index m individually a C1-​C4-​alkyl that substitutes a hydrogen atom of the benzene ring, m is a no. of 0 to 4, preferably 0 to 2, in particular 0, R2 means C1-​C10-​alkyl, C5- C10-​cycloalkyl, and an unsubstituted or C1-​C10-​alkyl or C1-​C4-​dialkyl amino substituted C6-​C10-​aryl, in particular C1-​C4-​20 alkyl substituted Ph, more preferably Me, Ph or di-​C1-​C4-​alkyl substituted Ph, in particular di-​tert.-​butyl-​Ph, R3, R4 and R5 being individually selected from the group of hydrogen, C1-​C4-​alkyl, unsubstituted or C1-​C4-​alkyl and​/or halogen, in particular chlorine or fluorine substituted C6-​C10-​aryl, in particular unsubstituted or C1-​C4-​alkyl substituted Ph whereby preferably R3, R4 and R5 being individually selected from the group of hydrogen, C1-​C4-​alkyl, unsubstituted or C1-​C4-​alkyl and​/or halogen, in particular chlorine or fluorine substituted C6-​C10-​aryl, in particular C1-​C4-​alkyl substituted Ph, more preferably at least one of the radicals R3 to R5 shall mean C1-​C4-​alkyl, in particular Me, i-​Pr and Ph and, L is an amidinate ligand of Sub1(C:N)​Sub2 wherein the amidine-​contg. ligand is covalently bonded to the metal M via the imine nitrogen atom. And Sub1 is an unsubstituted or C1-​C4-​alkyl and​/or halogen, in particular chlorine or fluorine substituted C6-​C10-​arom. substituent, in particular Ph and Sub2 is a substituent comprising a heteroatom of group 15, through which Sub2 is bonded to the imine carbon atom or Sub1 and Sub2 together with the imino group they are connected to form a ligand II wherein the amidine-​contg. II is covalently bonded to the metal M via the imine nitrogen atom N2, wherein the benzo ring fused to the amidine ring may be unsubstituted or contain further substituents R7, which are individually of the index "q" selected from the group of hydrogen, C1-​C4-​alkyl and halogen and whereby q is a no. of 0 to 4, preferably 0 to 2, most preferably 0, Sub4 is an aliph. or arom. cyclic or linear substituent comprising a group 14 atom through which Sub4 is bonded to the amino nitrogen atom N 1, preferably Sub4 is a C6-​C10-​arom. ring, preferably Ph which is unsubstituted or substituted by one or more substituents from the group selected from halogen, in particular Cl or F and C1-​C4-​alkyl, preferably Sub4 is a 2,​6-​di-​fluorophenyl.