Metal N-aminoguanidinate complexes for use in thin film fabrication and catalysis

Metal complex having at least one N-aminoguanidinate ligand, wherein this metal complex is of the following formula 1a or 1b

• wherein
• M is a metal selected from the groups 1 to 15 of the Periodic Table of the Elements (PTE), lanthanides or actinides,
• R1 is hydrogen or a cyclic, linear or branched alkyl radical having up to 5 carbon atoms, NH2, NH(CH3), N(CH3)2, N(C2H5)2 or N-pyrrolidinyl, or R1 and R2 together with the nitrogen atom they are bonded to form a pyrrolidinyl ring;
• R2 is hydrogen or a cyclic, linear or branched alkyl radical having up to 5 carbon atoms, or R2 and R1 together with the nitrogen atom they are bonded to form a pyrrolidinyl ring;
• R3 is hydrogen, CH3, C2H5, NH2, NH(CH3), N(CH3)2, N(C2H5)2 N-pyrrolidinyl or a SiMe3 group,
• R4 and R5 independently of one another are hydrogen or a linear or branched alkyl radical having up to 4 carbon atoms, or R4 and R5 together with the nitrogen atom they are bonded to form a pyrrolidinyl ring;
• X is a monoanionic co-ligand selected from the hydride anion (H−), from the group of the halides, from the group of the cyclic, linear or branched alkylides having up to 8 carbon atoms, from the group of substituted or unsubstituted arylides and heteroarylides having up to 10 C atoms, from the group of alkoxylato ligands, from the group of alkylthiolato or alkylselenolato ligands or from the group of secondary amido ligands,
• Y is a dianionic coligand selected from the oxo group [O]2−, the sulfido group [S]2− or the imido group [NR6]2−, where R6 is a cyclic, branched or linear alkyl having up to 8 carbon atoms or is a substituted or unsubstituted aryl having up to 20 carbon atoms,
• L is a neutral 2-electron donor ligand,
• a is an integer between 1 and 4 and
• n, m, and p each independently of one another are 0, 1, 2, 3 or 4.