TECHNOLOGY FOCUS - ELECTRONICS - Preferred Device: In the device, the organic layer comprises at least one compound selected from arylamine compound and styrylarylamine compound; and at least one metal. The device is an organic electroluminescent display comprising a compound having the electroluminescent peak with wavelength of not greater than 500 nm, and a compound having the electroluminescent peak with wavelength of not less than 560 nm. In the device, the organic layer comprises an electroluminescent layer and a charge generating layer. In the device, a mixed region of reductive dopant and organic substance, or a mixed region of oxidative dopant and organic substance is placed on the inner surface of one or both electrode(s) among the pair of electrodes.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The metals are selected from organic metals of Group 1, Group 2, 4th period and 5th period transition metals, lanthanide metals and d-transition elements from the Periodic Table of Elements.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Disclosed): Preparation of the organic compound (I) involves reacting 2,7-dichloro-4a,9a-dihydro-anthraquinone with bromide compounds of formulae R1-Br and R2-Br in presence of n-BuLi to give corresponding compound of formula (i) followed by reacting with NaH2PO2 to give anthracene compound of formula (ii) and then with amine compound of formulae NH(Ar1)(Ar2) and NH(Ar3)(Ar4). Preferred Definitions:    Ar1-Ar4=1-pyrrolyl, 2-pyrrolyl, 3-pyrrolyl, 1-pyrazolyl, 3-pyrazolyl, 4-pyrazolyl, 5-pyrazolyl, 1-imidazolyl, 2-imidazolyl, 4-imidazolyl, 5-imidazolyl, 2-thiazolyl, 4-thiazolyl, 5-thiazolyl, 3-isothiazolyl, 4-isothiazolyl, 5-isothiazolyl, 1,2,3-thiadiazol-4-yl, 1,2,3-thiadiazol-5-yl, 1,3,4-thiadiazol-2-yl, 1,3,5-thiadiazol-2-yl, 1,3,5-thiadiazol-4-yl, 2-oxazolyl, 4-oxazolyl, 5-oxazolyl, 3-isoxazolyl, 4-isoxazolyl, 5-isoxazolyl, 1,2,3-oxadiazol-4-yl, 1,2,3-oxadiazol-5-yl, 1,3,4-oxadiazol-2-yl, 1,3,5-oxadiazol-2-yl, 1,3,5-oxadiazol-4-yl, 2-furanyl, 3-furanyl, 3-furazanyl, 2-thienyl, 3-thienyl, 1H-tetrazol-5-yl, 1H-tetrazol-1-yl, 2H-tetrazol-5-yl, 2H-tetrazol-2-yl, 1H-1,2,3-triazol-1-yl, 1H-1,2,3-triazole-4-yl, 1H-1,2,3-triazol-5-yl, 1H-1,2,4-t-riazol-1-yl, 1H-1,2,4-triazol-3-yl, 1H-1,2,4-triazol-5-yl, 2H-1,2,3-triazol-2-yl, 2H-1,2,3-triazol-4-yl, 2H-1,2,3-triazol-5-yl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-pyrimidinyl, 4-pyrimidinyl, 5-pyrimidinyl, 3-pyridazinyl, 4-pyridazinyl, 2-pyrazinyl, 1,2,3-triazin-4-yl, 1,2,3-triazin-5-yl, 1,2,4-triazin-3-yl, 1,2,4-triazin-5-yl, 1,2,4-triazin-6-yl, 1,3,5-triazin-2-yl, 1,2,3,4-tetrazin-5-yl or 1,2,3,5-tetrazin-4-yl.    SPECIFIC COMPOUNDS - 4752 Compounds are disclosed as the compound (I) or (II), e.g. 9,10-di-naphthalen-2-yl-N,N'-di-pyridin-3-yl-N,N'-di-pyridin-2-yl-anthracene-2,7-diamine (IA); 9,10-di-naphthalen-2-yl-N,N'-di-pyridin-2-yl-N,N'-di-pyridin-3-yl-anthracene-2,7-diamine; 9,10,N,N,N',N'-hexa-pyridin-2-yl-anthracene-2,7-diamine; N,N,N',N'-tetra-pyridin-2-yl-9,10-di-quinolin-2-yl-anthracene-2,7-diamine; and 9,10-bis-(3,5-dimethyl-phenyl)-N,N,N',N'-tetra-pyridin-2-yl-anthracene-2,7-diamine.    EXAMPLE - A reaction vessel was charged with 2,7-dichloro-9,10-di-naphthalen-2-yl-anthracene (12.5 g), pyridin-2-yl-pyridin-3-yl-amine (15.4 g), palladium acetate (0.34 g), tributylphosphine (0.6 g), sodium tert-butoxide (9.3 g) and toluene (250 ml), and the mixture was stirred under reflux under nitrogen atmosphere. After work up, 9,10-di-naphthalen-2-yl-N,N'-di-pyridin-3-yl-N,N'-di-pyridin-2-yl-anthracene-2,7-diamine (9.2 g) was obtained.