TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Claimed): The preparation of (I), comprises bonding an organic compound of formula (Z) (VI) or its synthetic precursors with the branching group (K2) by Suzuki-Coupling.Z = (-(L-R)) or its synthetic precursors, preferably organo-boron compounds of formula (VII) or (VIII) or (hetero)aryl halide compounds of formula (Y1-L-R) (IX) or (K1-(Y1)p) (X);K2 = branching group, preferably (IX) or (X), or (VII) or (VIII);o = 3-6;p = 1-5;Y1 = Cl, Br, I or -O-SO2-R6; andR6 = CH3, trifluoromethyl, phenyl or tolyl. Preferred Definitions:    R3 = H;    K1 = nitrilotris(benzene-4,1-diyl) (preferred), benzene-1,3,5-triyl-tris(thiophene-5,2-diyl) or 9,9'-spirobi(fluorene)- 2,2',7,7'-tetryl;    x = 1 or 2;    y = 0 or 2;    A = (IIIh) or (IIIa);    m = 1; and    R = -C6H13 or -CH2-C(CH2-CH3)-(CH2)3-.    SPECIFIC COMPOUNDS - 5 Compounds (I) are disclosed i.e. 2-(1-(2-(2-(4-(bis(4-(5-(5-(1,1-dicyanooct-1-en-2-yl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)phenyl)amino)phenyl)-2H-1 lambda 3-thiophen-5-yl)-2H-1 lambda 3-thiophen-5-yl)heptylidene)propanedinitrile of formula (Ia), tris-4-(2-(2-(2-(5-(2-ethylhexyl)-thien-2-yl)-thien-5-yl) -2,1,3-benzothiadiazole-7-yl)-thien-5-yl)-phenylamine, 7-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-4-(2-(4-(3-(4-(5-(7-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-1H-2 lambda 3,1,3-benzothiadiazol-4-yl)-2H-1 lambda 3-thiophen-2-yl)phenyl)-5-(4-(5-(4-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-1H-2 lambda 3,1,3-benzothiadiazol-7-yl)-2H-1 lambda 3-thiophen-2-yl)phenyl)phenyl)phenyl)-2H-1 lambda 3-thiophen-5-yl)-1H-2 lambda 3,1,3-benzothiadiazole, 4-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-7-(2-(2-(3-(5-(5-(7-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-1H-2 lambda 3,1,3-benzothiadiazol-4-yl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-5-(5-(3-(7-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-1H-2 lambda 3,1,3-benzothiadiazol-4-yl)-3H-1 lambda 3-thiophen-5-yl)-2H-1 lambda 3-thiophen-2-yl)phenyl)-2H-1 lambda 3-thiophen-5-yl)-2H-1 lambda 3-thiophen-5-yl)-1H-2 lambda 3,1,3-benzothiadiazole and 7-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-4-(5-(6'-(3-(7-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-1H-2 lambda 3,1,3-benzothiadiazol-4-yl)-3H-1 lambda 3-thiophen-2-yl)-2,2'-bis(3-(7-(5-(5-(2-ethylhexyl)-2H-1 lambda 3-thiophen-2-yl)-2H-1 lambda 3-thiophen-2-yl)-1H-2 lambda 3,1,3-benzothiadiazol-4-yl)-3H-1 lambda 3-thiophen-5-yl)-9,9'-spirobi(fluorene)-7-yl)-3H-1 lambda 3-thiophen-3-yl)-1H-2 lambda 3,1,3-benzothiadiazole.    EXAMPLE - 1,1',1''-(nitrilo-tris(4,1-phenylene-2,2'-bithien-5',5-diyl))triheptan-1-one (1.78 g), malononitrile (1.31 g) and anhydrous pyridine were mixed for 10 hours under microwave heating at 105 degrees C. After the completion of the reaction the pyridine was removed under vacuum and the product was purified to obtain (Ia).