Patent ID: 7612218

Claim:
A process of producing a heteroaryl boron compound represented by formula (V) or (VI): wherein, X, Y, Z, R 1 and R 2 are the same as defined below, comprising: reacting an aromatic heterocyclic compound represented with the following formula (I): wherein X represents an oxygen atom or a sulfur atom, each of Y and Z represents —CH═, R 1 and R 2 may be the same or different and each represents a hydrogen atom, a linear or branched C 1-8 alkyl group, a linear or branched C 1-8 alkoxy group, a nitro group, a cyano group, a halogenated C 1-8 alkyl group, a halogen atom, a carbamoyl group, a C 1-8 acyl group, a C 1-8 alkoxycarbonyl group, an amino group which may have a substituent, with a boron compound represented with the following formula (III) or (IV): in the presence of a univalent iridium complex catalyst of formula (X): IrABn (X) wherein A represents a chlorine atom, a linear or branched C 1-8 alkoxy group, a hydroxyl group or a phenyloxy group which optionally has a substituent, B represents 1,5-cyclooctadiene or 1-cyclooctene, and n represents 1 or 2, or a univalent iridium complex catalyst in which the complexing ligand has formula: wherein R 3 represents a hydrogen atom, a linear or branched C 1-8 alkyl group, a linear or branched C 1-8 alkoxy group, a nitro group, a cyano group, a halogenated C 1-8 alkyl group, a halogen atom, a carbamoyl group, a C 1-8 acyl group, a C 1-8 alkoxycarbonyl group, or an amino group which may or may not have a substituent.