| 摘要 |
A tetrakis(ether-substituted formylphenyl) expressed by General Formula (1): wherein R1 represents an alkyl group with 1 to 8 carbon atoms or alkoxyl group with 1 to 8 carbon atoms, or aromatic hydrocarbon group or saturated hydrocarbon group with 1 to 8 carbon atoms having an aromatic hydrocarbon group, n represents 0 or an integer of 1 to 3, R2 represents a divalent monocyclic or fused-ring aromatic hydrocarbon group with 6 to 15 carbon atoms or divalent aliphatic hydrocarbon group with 1 to 8 carbon atoms that may have a monocyclic or fused-ring aromatic hydrocarbon group with 6 to 15 carbon atoms, R3 represents a hydrogen atom or alkyl group with 1 to 6 carbon atoms, A represents a tetravalent carbon atom group or tetravalent saturated hydrocarbon group with 2 or more carbon atoms, where, if A is a tetravalent saturated hydrocarbon group with 2 or more carbon atoms, the two carbon atoms in the A group are bonded with two phenyl groups, respectively. |
