TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Compounds: The compound (I) is selected from 18 compounds as given in the specification e.g. compound of formula (Ia). Preparation (disclosed): The preparation of the compounds (I) involves: reacting (hetero)aryl ring compounds of formulae (iii) and (iv) in presence of palladium catalyst (e.g. Pd(PPh 3) 4), where to reaction mixture base (e.g. sodium carbonate) is added, and reaction is carried out under reflux for up to 30 hours, in organic solvents (e.g. mixture of 1,2-dimethoxyethane and ethanol) to give (hetero)aryl ring compound of formula (v); mixing ligand compound (v) with metal chloride of formula M'(Cl) n+1 in organic solvent (e.g. 2-ethoxyethanol) and heating mixture to reflux for up to 48 hours to give chloro-complex compound of formula (vi); and adding third ligand compound of formula (vii) to chloro-complex solution together with base (e.g. sodium carbonate), in organic solvent (e.g. ethoxyethanol) under reflux for up to 5 hours to give the compound (I).Hal=Cl, Br, I or functional groups which can undergo C-C-coupling reactions like pseudohalides (e.g. triflate).Preferred Components: greater than or equal to 1 Organic functional material is a matrix material selected from ketones, phosphinoxides, sulfoxides, sulfones, triarylamines, carbazoles, indolocarbazoles, indenocarbazoles, azacarbazoles, bipolar matrix materials, silanes, azaborolenes, boronesters, triazines, zinc complexes, diaza- or tetraazasiloles, and/or diazaphospholes. Full Definitions:    ring A+ring B=condensed heteroaryl ring system where both rings A and B are optionally substituted with greater than or equal to 1 R 1;    ring A=(hetero)aryl ring or (hetero)aryl polycyclic ring system (preferably ring or ring system of formula (ii));    X'=CR 1 or N (preferably CR 1);    ring B=monocyclic heteroaryl ring;    ring C=structure of formula (i) which is condensed to ring D at any positions;    a and b=0-2;    c=0-4;    M'=metal selected from iridium, rhodium, platinum and palladium (preferably iridium, platinum or palladium, especially iridium or platinum, particularly iridium);    R 1=N(R 2) 2, Si(R 2) 3, B(R 2) 2, C(=O)R 2, P(=O)(R 2) 2, S(=O)R 2, S(=O) 2R 2, OSO 2R 2, straight-chain 1-40C alkyl or 1-40C (thio)alkoxy, straight-chain 2-40C alkenyl or 2-40C alkynyl, branched or cyclic 3-40C alkyl, 3-40C alkenyl, 3-40C alkynyl, 3-40C (thio)alkoxy (all optionally substituted by greater than or equal to 1 substituent R 2; have greater than or equal to 1 non-adjacent CH 2 group optionally replaced by R 2C=CR 2, C degrees C=C, Si(R 2) 2, Ge(R 2) 2, Sn(R 2) 2, C=O, C=S, C=Se, C=NR 2, P(=O)(R 2), SO, SO 2, NR 2, O, S or CONR 2; and have greater than or equal to 1 H atom optionally replaced by D, F, Cl, Br, I, CN or NO 2); 5-60C (hetero)aryl system, 5-60C (hetero)aryloxy, 10-40C diarylamino, 10-40C diheteroarylamino, 10-40C arylheteroarylamino (all optionally substituted by greater than or equal to 1 substituent R 2), H, D, F, Cl, Br, I, CN, and/or NO 2;or    R 1+R 1=mono- or polycyclic, aliphatic, aryl and/or benzo-fused ring system;    R 2=N(R 3) 2, Si(R 3) 3, B(R 3) 2, C(=O)R 3, P(=O)(R 3) 2, S(=O)R 3, S(=O) 2R 3, OSO 2R 3, straight-chain 1-40C alkyl or 1-40C (thio)alkoxy, straight-chain 2-40C alkenyl or 2-40C alkynyl, branched or cyclic 3-40C alkyl, 3-40C alkenyl, 3-40C alkynyl, 3-40C (thio)alkoxy (all optionally substituted by greater than or equal to 1 substituent R 3; have greater than or equal to 1 non-adjacent CH 2 group optionally replaced by R 3C=CR 3, C degrees C=C, Si(R 3) 2, Ge(R 3) 2, Sn(R 3) 2, C=O, C=S, C=Se, C=NR 3, P(=O)(R 3), SO, SO 2, NR 3, O, S or CONR 3; and have greater than or equal to 1 H atom optionally replaced by D, F, Cl, Br, I, CN or NO 2); 5-60C (hetero)aryl system, 5-60C (hetero)aryloxy, 10-40C diarylamino, 10-40C diheteroarylamino, 10-40C arylheteroarylamino (all optionally substituted by greater than or equal to 1 substituent R 3), H, D, F, Cl, Br, I, CN, and/or NO 2;or    R 2+R 2=mono- or polycyclic, aliphatic, or aryl ring system;    R 3=aliphatic, and/or (hetero)aryl 1-20C hydrocarbyl (having greater than or equal to 1 H atom optionally replaced by F), H, D, or F;or    R 3+R 3=mono- or polycyclic, aliphatic or aromatic ring system;    Q'=R 1C=CR 1, R 1C=N, O, S, SO 2, Si(R 1) 2, Se or NR 1 (preferably R 1C=CR 1, S or NR 1; especially R 1C=CR 1 or S; particularly R 1C=CR 1);    X 1 and X 2=CR 1 or N;    V'=NR 1, O, S, SO 2, Si(R 1) 2, BR 1 or Se (preferably NR 1, O, or S, especially S or O, particularly O).    Provided that:    (1) when M' is iridium or rhodium, then n is 2;    (2) when M' is platinum or palladium, then n is 1; and    (3) greater than or equal to 1 of X 1 and X 2 is N.    When n is 2, the two ligands comprising the rings A, B, C and D can be identical or different from each other (preferably are identical).    ACTIVITY - Dermatological; Vulnerary; Ophthalmological; Respiratory-gen.; Cardiant; Vasotropic; Antipsoriatic; Keratolytic; Antiulcer; Antiseborrheic; Antibacterial; Hepatotropic; Cytostatic; Antiinflammatory; Antiarthritic; Antirheumatic; Analgesic; Neuroprotective; Osteopathic; Antiallergic; Angiogenesis inhibitor; Virucide; Antidepressant; Muscular-Gen.; Protozoacide. No biological data given.    MECHANISM OF ACTION - None given.    SPECIFIC COMPOUNDS - 487 Compounds are disclosed as the compound (I) e.g. bis(4-(quinolin-2-yl)-dibenzofuran-3-yl)(5-pyridin-2-yl-3-trifluoromethyl-1H-pyrazol-1-yl)Iridium (III) of formula (I'); bis(4-(quinolin-2-yl)-dibenzofuran-3-yl)(5-pyridin-2-yl-3-trifluoromethyl-1H-(1,2,4-triazol-1-yl)Iridium (III); bis(4-(quinolin-2-yl)-dibenzofuran-3-yl)(5-pyridin-2-yl-3-methyl-1H-pyrazol-1-yl)Iridium (III); bis(4-(quinolin-2-yl)-dibenzofuran-3-yl)(5-pyridin-2-yl-3-tert-butyl-1H-pyrazol-1-yl)Iridium(III); and bis(4-(quinolin-2-yl)-dibenzofuran-3-yl)(5-pyridin-2-yl-3-perfluorobutyl-1H-pyrazol-1-yl)Iridium (III).    EXAMPLE - A mixture of 0.177 mmol bis(4-(quinolin-2-yl)-dibenzofuran-3-yl)iridium(II) mu-(Cl) 2, 0.365 mmol 5-pyridin-2-yl-3-trifluoromethyl-1H-pyrazol and 0.85 mmol calcium carbonate was solved in 10 ml ethoxyethanol and reaction mixture was heated at 130 degrees C for 5 hours in inert atmosphere. After cooling, reaction was worked up to give bis(4-(quinolin-2-yl)-dibenzofuran-3-yl)(5-pyridin-2-yl-3-trifluoromethyl-1H-pyrazol-1-yl)Iridium (III).