Patent ID: 7999058

Claim:
A method for producing an aromatic polymer comprising polycondensing an aromatic compound represented by the following general formula (I) in the presence of a nickel complex containing a phosphine compound represented by the following general formula (II) as a ligand, wherein Ar denotes a divalent organic group having an aromatic ring which may include an oxygen atom and/or a nitrogen atom, R denotes a monovalent hydrocarbon group which may be substituted, a hydrocarbon oxy group which may be substituted, an amino group which is substituted by two not-substituted or substituted monovalent hydrocarbon groups, a hydrocarbon mercapto group which may be substituted, a hydrocarbon carbonyl group which may be substituted, a hydrocarbon oxycarbonyl group which may be substituted, an amino carbonyl group which is substituted by two not-substituted or substituted monovalent hydrocarbon groups, or a hydrocarbon sulfonyl group which may be substituted, k is an integer of 1 or more, when there are plural R, all R may be identical with each other or may be different from each other, and two R together may form a ring, X denotes a halogen atom, a nitro group, or a group represented by —SO 3 Q (wherein Q denotes a monovalent hydrocarbon group which may be substituted, Y denotes an oxygen atom, a sulfur atom, an imino group, a substituted imino group, an ethenylene group, a substituted ethenylene group, or an ethynylene group, n denotes 0 or 1, M denotes a hydrogen atom, —B(OQ 1 ) 2 , —Si(Q 2 ) 3 , —Sn(Q 3 )3, or —Z 1 (Z 2 ) m , wherein (Q 1 denotes a hydrogen atom or a monovalent hydrocarbon group, two Q 1 may be identical with each other or may be different from each other, and two Q1 together may from a ring, Q 2 denotes a monovalent hydrocarbon group, and three Q 2 may be identical with each other or may be different from each other, Q 3 denotes a monovalent hydrocarbon group, and three Q 3 may be identical with each other or may be different from each other, Z 1 denotes a metal atom or a metal ion, Z 2 denotes a counter ion, and m is an integer of 0 or higher, wherein R 1 denotes a monovalent hydrocarbon group which may be substituted, four R 1 may be identical with each other or may be different from each other, and two R 1 together may form a ring, and R 2 denotes a divalent hydrocarbon group which may be substituted.