Patent ID: 7521581

Claim:
A process for producing a cross-coupled compound represented by the following formula (4): R 5 —R 6 (4) wherein R 5 and R 6 may be the same or different and represent a substituted or unsubstituted linear, branched or cyclic alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or a substituted or unsubstituted linear, branched or cyclic alkenyl group; which comprises allowing a boron-containing compound represented by the following formula (2) to react with a compound represented by the following formula (3): wherein R 5 and R 6 are as defined above; Y may be the same or different and each Y represents a hydroxyl group or an alkoxy group, provided that, when each Y is a hydroxyl group, three boron-containing compounds may be dehydration-condensed to form a trimer anhydride, and that, when two Y are an alkoxy group, the two Y may be bonded together to form a ring; and Z represents a halogen atom, a methanesulfonate group or a trifluoromethane-sulfonate group; in the presence of a base and a catalyst composition for a cross-coupling reaction comprising a complex of a nickel salt with an amine compound, represented by the following formula (1), and triphenylphosphine wherein R 1 through R 4 may be the same or different and represent a substituted or unsubstituted linear, branched or cyclic alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or a substituted or unsubstituted linear, branched or cyclic alkenyl group; n is an integer of 1 to 6; and X may be the same or different and each X represents a halogen atom, a hydroxyl group, a nitrate group or an acetate group.