Patent ID: 9662606
Date: 2017-05-30
CPC Classifications: B01D,B01J,C01B,C07C,C07F,Y02C,Y02P

Claim:
1. A metal complex comprising: two different dicarboxylic acid compounds (I-1) and (I-2) each of which is a dicarboxylic acid compound (I) of formula (I), wherein at least one kind of metal ion selected from metal ions belonging to Group 2 and Groups 7 to 12 of the periodic table; and an organic ligand capable of bidentate binding to the metal ion, wherein a molar ratio of the dicarboxylic acid compound (I-1) to the dicarboxylic acid compound (I-2) is from 20:80 to 99:1, wherein the organic ligand capable of bidentate binding is at least one selected from the group consisting of 4,4′-bipyridyl, 2,2′-dimethyl-4,4′-bipyridine, 1,2-bis(4-pyridyl)ethyne, 1,4-bis(4-pyridyl)butadiyne, 1,4-bis(4-pyridyl)benzene, 3,6-di(4-pyridyl)-1,2,4,5-tetrazine, 2,2′-bi-1,6-naphthyridine, phenazine, diazapyrene, trans-1,2-bis(4-pyridyl)ethane, 4,4′-azopyridine, 1,2-bis(4-pyridyl)ethane, 4,4′-dipyridyl sulfide, 1,3-bis(4-pyridyl)propane, 1,2-bis(4-pyridyl)glycol, N-(4-pyridyl)isonicotinamide, 2,6-di(4-pyridyl)benzo[1,2-c:4,5-c′]dipyrrol-1,3,5,7(2H,6H)-tetrone, 4,4′-bis(4-pyridyl)biphenylene, and N,N′-di(4-pyridyl)-1,4,5,8-naphthalenetetracarboxydiimide.