Patent ID: 7589203

Claim:
Process for the preparation of the compounds of the formulae (1) to (32) and (1a) to (8a): where the symbols and indices have the following meaning: M denotes Rh, Ir; Y denotes O, S, Se, NR 1 ; Z is equal to F, Cl, Br, I, O-R 1 , S-R 1 , N(R 1 ) 2 ; R is, identically or differently on each occurrence, H, F, Cl, Br, CN, a straight-chain or branched or cyclic alkyl or alkoxy group having from 1 to 20 C atoms, where one or more non-adjacent CH 2 groups may be replaced by —O—, —SiR 1 2 —, —S—, —NR 1 — or —CONR 1 — and where one or more H atoms may be replaced by F, or an aryl or heteroaryl group having 4 to 14 C atoms, which may be substituted by one or more non-aromatic radicals R, where a plurality of substituents R, both on the same ring and also on the two different rings, may together in turn define a further aliphatic or aromatic, mono- or polycyclic ring system; T is, identically or differently on each occurrence, F, Cl, Br, CN, a straight-chain or branched or cyclic alkyl or alkoxy group having from 1 to 20 C atoms, where one or more non-adjacent CH 2 groups may be replaced by —O—, —SiR 1 2 —, —S—, —NR 1 — or —CONR 1 — and where one or more H atoms may be replaced by F, or an aryl or heteroaryl group having 4 to 14 C atoms, which may be substituted by one or more non-aromatic radicals R, where a plurality of substituents R, both on the same ring and also on the two different rings, may together in turn define a further aliphatic or aromatic, mono- or polycyclic ring system; R 1 is, identically or differently on each occurrence, H or an aliphatic or aromatic hydrocarbon radical having 1 to 20 C atoms; L 1 is a neutral, monodentate ligand; L 2 is a monoanionic, monodentate ligand; L 3 is a neutral or mono- or dianionic bidentate ligand; a is 0, 1, 2, 3, or 4; b is 0, 1, 2, or 3; c is 0, 1, or 2; m is 1 or 2; n is 1, 2 or 3; p is 1 or 2; q is 0, 1 or 2; by reaction of compounds (33) to (64) with a nitrating agent: