TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (claimed): Compound (I) is obtained by reacting compound (II) with a metalation agent and then with a protonic compound, or by reacting compound (II) with 1-8C alcohol and base in the presence of a palladium catalyst or a nickel catalyst, or by reacting anthra chalcogenophene derivative of formula (IV and/or V) with a metalation agent, and then with a copper compound or an iron compound.X3,X4=H, iodo, bromo, chloro, or trimethylsilyl. Preferred Definitions:    T1,T2=sulfur atom.    SPECIFIC COMPOUNDS - 91 Compounds (I) are disclosed e.g. 7,8,7',8'-tetrapentadecyl-(2,2')bi(anthra(2,3-b)thiophenyl) of formula (IA), 7,8,7',8'-tetraoctyl-(2,2')bi(anthra(2,3-b)thiophenyl), 7,8,7',8'-tetradodecyl-(2,2')bi(anthra(2,3-b)thiophenyl), 7,8,7',8'-tetradecyl-(2,2')bi(anthra(2,3-b)thiophenyl), and 7,8,7',8'-tetradodecyl-5,10,5',10'-tetraphenyl-(2,2')bi(anthra(2,3-b)thiophenyl). 108 Compounds (II) are disclosed e.g. 3,3'-diiodo-7,8,7',8'-tetrapentadecyl-(2,2')bi(anthra(2,3-b)thiophenyl) of formula (IIA), 7,8,7',8'-tetraoctyl-3-iodo-(2,2')b i(anthra(2,3-b)thiophenyl), 7,8,7',8'-tetranonyl-3-iodo-(2,2')bi(anthra(2,3-b)thiophenyl), 7,8,7',8'-tetradecyl-3-iodo-(2,2')bi(anthra(2,3-b)thiophenyl), and 7,8,7',8'-tetradodecyl-3-iodo-(2,2')bi(anthra(2,3-b)thiophenyl). 81 Compounds (III) are disclosed e.g. 2-(4-(6,7-dipentadecyl-3-(methylsulfanyl)anthracen-2-yl)buta-1,3-diyn-1-yl)-6,7-dipentadecyl-3-(methylsulfanyl)anthracene of formula (IIIA), 2-(4-(6,7-dioctyl-3-iodoanthracen-2-yl)buta-1,3-diyn-1-yl)-6,7-dioctyl-3-iodoanthracene, 2-(4-(6,7-didodecyl-3-iodoanthracen-2-yl)buta-1,3-diyn-1-yl)-6,7-didodecyl-3-iodoanthracene, 2-(4-(6,7-didecyl-3-iodoanthracen-2-yl)buta-1,3-diyn-1-yl)-6,7-didecyl-3-iodoanthracene, and 2-(4-(6,7-dipentadecyl-3-bromoanthracen-2-yl)buta-1,3-diyn-1-yl)-6,7-dipentadecyl-3-bromoanthracene.    EXAMPLE - 3,3'-Diiodo-7,8,7',8'-tetrapentadecyl-(2,2')bi(anthra(2,3-b)thiophenyl) (37 mg) and ether (5 ml) were taken in a flask. Hexane solution (0.06 ml) of n-butyllithium was dripped at -20 degrees C after cooling. Water was added and quenched after reacting for 10 minutes. The obtained mixture was phase-separated, and the organic phase was dried and concentrated. The obtained residue was recrystallized using chloroform, to obtain 7,8,7',8'-tetrapentadecyl-(2,2')bi(anthra(2,3-b)thiophenyl) (14 mg) of formula (IA) with a yield of 45%.