Abstract: A diepoxy compound represented by the formula (1) wherein R1, R2, R3 and R4 independently each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms.

Abstract: A bipyridine compound represented by the formula (1): wherein R1, R2 and R3 each independently represent a C1-C10 alkyl group which may be substituted etc., and R4, R5, R6, R7 and R8 each independently represent a hydrogen atom etc., a transition metal complex obtained by contacting a bipyridine compound represented by the formula (1) with a compound of a transition metal belonging to Group 9, 10 or 11, and a method for production of a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of the transition metal complex.

Abstract: A method for producing an unsaturated organic compound represented by the formula (3): (Y1)m-1—R1—R2—(Y2)n-1??(3) wherein Y1 represents R2 or X1, and Y2 represents R1 or B(X2)2, which comprises reacting a compound represented by the formula (1): R1(X1)m??(1) wherein R1 represents an aromatic group or the like, X1 represents a leaving group and m represents 1 or 2, with a compound represented by the formula (2): R2{B(X2)2}n??(2) wherein R2 represents an aromatic group or the like, X2 represents a hydroxyl group or the like, and n represents 1 or 2, in the presence of (a) a nickel compound selected from a nickel carboxylate, nickel nitrate and a nickel halide, (b) a phosphine compound such as 1,4-bis(dicyclohexylphosphino) butane, (c) an amine selected from a primary amine and a diamine such as N,N,N?,N?-tetramethyl-1,2-ethanediamine, and (d) an inorganic base.

Abstract: A diepoxy compound represented by the formula (1) wherein R1, R2, R3 and R4 independently each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms.

Abstract: A transition metal complex obtained by contacting a bipyridine compound represented by the formula (1): wherein R1, R2 and R3 represent a C1-C10 alkyl group which may be substituted, etc., and R4 and R5 represent a hydrogen atom etc., with a compound of a transition metal belonging to Group 9, 10 or 11, and a process for producing a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of said transition metal complex.

Abstract: A method for producing an unsaturated organic compound represented by the formula (3): (Y1)m-1—R1—R2—(Y2)n-1??(3) wherein Y1 represents R2 or X1, and Y2 represents R1 or B(X2)2, which comprises reacting a compound represented by the formula (1): R1(X1)m??(1) wherein R1 represents an aromatic group or the like, X1 represents a leaving group and m represents 1 or 2, with a compound represented by the formula (2): R2{B(X2)2}n??(2) wherein R2 represents an aromatic group or the like, X2 represents a hydroxyl group or the like, and n represents 1 or 2, in the presence of (a) a nickel compound selected from a nickel carboxylate, nickel nitrate and a nickel halide, (b) a phosphine compound such as 1,4-bis(dicyclohexylphosphino) butane, (c) an amine selected from a primary amine and a diamine such as N,N,N?,N?-tetramethyl-1,2-ethanediamine, and (d) an inorganic base.

Abstract: A transition metal complex obtained by contacting a bipyridine compound represented by the formula (1): wherein R1, R2 and R3 represent a C1-C10 alkyl group which may be substituted, etc., and R4 and R5 represent a hydrogen atom etc., with a compound of a transition metal belonging to Group 9, 10 or 11, and a process for producing a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of said transition metal complex.

Abstract: A bipyridine compound represented by the formula (1): wherein R1, R2 and R3 each independently represent a C1-C10 alkyl group which may be substituted etc., and R4, R5, R6, R7 and R8 each independently represent a hydrogen atom etc., a transition metal complex obtained by contacting a bipyridine compound represented by the formula (1) with a compound of a transition metal belonging to Group 9, 10 or 11, and a method for production of a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of the transition metal complex.