Volatile noble metal organometallic complexes

A compound selected from the group consisting of

• [IrLa(FBC2)] (II),
• [IrLa(FBC3)] (III)
• and
• [IrLa(FBC4)] (IV)
• wherein L is a neutral ligand selected from the group consisting of carbonyl, alkene, diene or derivatives of alkenes and dienes additionally containing at least one alkyl or fluorinated alkyl substituent;
• a is an integer of one or two, depending on the donor bonding of the selected ligand;
• FBC ligand is a fluorinated bidentate chelate ligand selected from the group consisting of beta-ketoiminate, imino-alcoholate (FBC3) and amino-alcoholate (FBC4) having the structural formula indicated below:
• wherein R is C1-C4 alkyl or trifluoromethyl;
• R1 is C1-C6 alkyl, which may be substituted by a C1-C4 alkoxy group, and wherein FBC4, one of the R1 groups may be H.

A compound selected from the group consisting of

• [RuLa(FBC1)2] (V),
• [RuLa(FBC4)2] (VI)
• and
• [Ru(FBC2)3] (VII)
• wherein L is a neutral ligand selected from the group consisting of a cyclic diene selected from COD and NBD, or derivatives of a cyclic diene additionally containing at least one alkyl or fluorinated alkyl substituent;
• a is one or zero, depending on the (FBC) ligand selected for the reactions;
• FBC ligand is a fluorinated bidentate chelate ligand selected from the group consisting of beta-diketonate (FBC1), beta-ketoiminate (FBC2) and amino-alcoholate (FBC4) having structural formula indicated below:
• wherein R is C1-C4 alkyl, or trifluoromethyl;
• R1 is a C1-C6 alkyl group, which may be substituted by a C1-C4 alkoxy group, and wherein (FBC4), R1 may be H.

A compound of the general formula VIII

• [OsLaX(FBC)] (VIII)
• wherein L represents carbonyl ligand;
• a has a constant value of three (3), X is an anionic monodentate ligand;
• FBC ligand is a fluorinated bidentate chelate ligand selected from:
• (hfac)=hexafluoroacetylacetonate, (tfac)=trifluoroacetylacetonate, and (tdhd)=1,1,1-trifluoro-5,5-dimethyl-2,4-hexanedionate.