| abstract |
Disclosed is a metal-containing compound that can provide a metal chelate dye having excellent stability to heat and light, sharp absorption, and low side absorption. A metal-containing compound represented by the following general formula (1): [Chemical 1] R 1 : hydrogen atom or substituent R 2 : alkyl group, alkenyl group, alkynyl group, aryl group, heterocyclic group, alkoxycarbonyl group, aryloxycarbonyl group, sulfamoyl group, sulfinyl group, alkylsulfonyl group, arylsulfonyl group or Any one of the cyano groups R 1 and R 2 is an electron-withdrawing group R 3 : an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group having 3 or more carbon atoms. Coordination in the general formula (1) The number of carbon atoms in one molecule is 25 or less. [Selection figure] None |