TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Claimed): The preparation of (I) comprises reacting corresponding free ligands with metal alkoxides of formula (M(OR1)n), or with metal ketoketonates of formula (XXXXXVII) or with a metal halides of formula (MY2n).Y2 = F, Cl, Br or I.Preferred Components: (I) is of formula (XXV), (XXVI), (XXVII) or (XXVIII). The compound (I) is used in electronic device in combination with a matrix material comprising ketones, phosphine oxides, sulfoxides, sulfones, triarylamines, carbazole derivatives, indolocarbazole derivates, indenocarbazole derivates, azacarbazole derivatives, bipolar matrix materials, silanes, azaboroles, boronic esters, triazine derivatives, zinc complexes, diaza- or tetraazasilole derivates and/or diazaphosphole derivatives.Z = bridging unit containing 1-80 atoms of third, fourth, fifth and/or sixth main group or 3-6 membered homo- or heterocyclic moiety, which covalently links ligands L with each other or covalently links L with L1. Preferred Definitions:    M = Ir (preferred) or Pt;    X = CR1;    X1 = CR1 or N;    Q = R1C=CR1 (preferred) or R1C=N;    V1 = O, S (preferred) or NR1;    Y1 = single bond (preferred) or bivalent group comprising C(=O) or NR1;    M(L)n = substituted 2-biphenyl-3-yl-pyridine moiety of formula (IV) or (V) or substituted pyridine moiety of formula (VI) or (VII);    R = substituted phenyl moiety of formula (VIII), substituted biphenyl moiety of formula (IX), (X) or (XI), substituted (1,1';3',1'')terphenyl moiety of formula (XII) or (XV), substituted 2,4-diphenyl-(1,3,5)triazine moiety of formula (XIII), substituted (1,1';4',1'')terphenyl moiety of formula (XIV), substituted 1,3,5-triphenylbenzene moiety of formula (XVI), substituted pyridine moiety of formula (XVII), (XVIII) or (XIX), substituted pyrimidine moiety of formula (XX), (XXI) or (XXII) or substituted thiophene moiety of formula (XXIII) or (XXIV);    E = position of attachment;    L1 = CO, nitric oxide, alkyl cyanide, aryl cyanide, alkyl isocyanide, aryl isocyanide, amine, phosphine (preferably halogen phosphine, trialkylphosphine, triarylphosphine or alkylarylphosphine), phosphite, arsine, stibine, nitrogen containing heterocycle, carbene, hydride, deuteride, halides including F-, Cl-, Br- or I-, alkyl acetylide, aryl acetylide, cyanide, cyanate, isocyanate, thiocyanate, isothiocyanate, aliphatic or aromatic alkoxide, aliphatic or aromatic thioalkoxide, amide, carboxylate, aryl group, O2-, S2-, carbide, nitrene, N3-, diamine, imine, diimine, heterocycle containing two nitrogen atoms, diphosphine, 1,3-diketonate derived from 1,3-diketone, 3-ketonate derived from 3-keto ester, carboxylate derived from amino carboxylic acids, salicyliminate derived from salicylimine, dialkoxide derived from dialcohol, or bidentate ligand, which consist of combination of two groups comprising heterocyclic moiety of formula (XXIX)-(XXXII) or (LIII), substituted nitrogen containing heterocyclic moiety of formula (XXXIII)-(XXXVI), (XXXXV), (XXXXVI) or (XXXXIX)-(LII), substituted 2,3-dihydro-1H-imidazole moiety of formula (XXXVII), substituted imidazolidine moiety of formula (XXXVIII) or (XXXIX), substituted sulfur containing heterocyclic moiety of formula (XXXX), (XXXXI) or (XXXXIV), substituted 2,3-dihydrothiophene moiety of formula (XXXXII) or (XXXXIII), substituted 2,3-dihydro-1H-pyrrole moiety of formula (XXXXVII) or (XXXXVIII), substituted ethene moiety of formula (R1-C(a)=C(b)-R1), substituted methyleneamine moiety of formula (N(a)=C(b)H-R1) or (R1-C(a)H=N(b)-R1), where one group binds through neutral N or carbene and other group binds through negatively charged C or negatively charged N, or eta 5-cyclopentadienyl, eta 5-pentamethylcyclopentadienyl, eta 6-benzene, eta 7-cycloheptatrienyl (all are optionally substituted by at least one group R1), 1,3,5-cis-cyclohexane derivative, 1,1,1-tri(methylene)methane derivative or 1,1,1 trisubstituted methane;    a = position of attachment of ligands with each other; and    b = position of coordination of groups to metal.    SPECIFIC COMPOUNDS - 142 Compounds (I) are disclosed e.g. iridium(III)-tris(2-(5''-pyridin-2-yl-(1,1';3',1'';3'',1''')quaterphenyl-3-yl)-pyridinato-N,C(2)) (Ia), iridium(III)-tris(2-(3'-(4,6-diphenyl-pyridin-2-yl)-biphenyl-3-yl)-pyridinato-N,C(2)), iridium(III)-tris(2-(5''-pyrimidin-2-yl-(1,1';3',1'';3'',1''')quaterphenyl-3-yl)- pyridinato-N,C(2)), iridium(III)-tris(2-(3'-(4,6-diphenyl-pyrimidin-2-yl)-biphenyl-3-yl)-pyridinato-N,C(2)) and iridium(III)-tris(2-(3'-(4,6-diphenyl-(1,3,5)triazin-2-yl)-biphenyl-3-yl)-pyridinato-N,C(2)).    EXAMPLE - 3-Boronic acid-(3,1';5,1'')terphenyl (40 g), 1-iodo-3-bromophenyl (18.8 g) and potassium carbonate (109.3 g) were suspended in toluene (1350 ml) and water (1150 ml). Then palladium(0)tetrakis(triphenylphosphine) (844 mg) was added to this suspension, and the reaction mixture was heated for 16 hours under reflux. Then the reaction mixture was cooled and worked up to obtain 1-bromo-3-((3,1';5,1'')terphen-1-yl)phenyl. Then 1-bromo-3-((3,1';5,1'')terphen-1-yl)phenyl (40 g), bis(pinacolato)diboron (29 g) and potassium acetate (29.5 g) were suspended in dimethyl sulfoxide (800 ml). Then 1,1-bis(diphenylphosphino)ferrocene-dichloropalladium(II) (4.24 g) was added to this suspension and the reaction mixture was heated for 16 hours under reflux. Then the reaction mixture was cooled and worked up to obtain 1-pinacolyl boronic acid ester-3-((3,1';5,1'')terphen-1-yl)phenyl. Then fac-tris(2-(2-pyridinyl-kN)(5-bromophenyl)-kC)iridium(III) (1.7 g), 1-pinacolyl boronic acid ester-3-((3,1';5,1'')terphen-1-yl)phenyl (742 g) and potassium phosphate (2.51 g) were suspended in toluene (100 ml) dioxane (100 ml) and water (111 ml). Then palladium(II) acetate (4 mg) and tri-o-tolylphosphine (35 mg) was added to this suspension and the reaction mixture was heated for 24 hours under reflux. Then the reaction mixture was cooled and worked up to obtain fac-tris(2-(2-pyridinyl-kN)(5-(3-((3,1';5,1'')terphen-1-yl)phenyl)phenyl)-kC)iridium(III).