Coloring compound, yellow toner, ink, thermal transfer recording sheet, and color filter resist composition

A yellow toner containing a coloring compound with a structure represented by the following formula (1):

• wherein R1 to R3 independently denote a hydrogen atom, an unsubstituted amino group, or an amino group with a substituent,
• R4 to R6 independently denote a hydrogen atom, an alkyl group, an unsubstituted aryl group, or an aryl group with a substituent,
• A1 to A3 independently denote a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a carbamoyl group, an alkoxycarbonyl group, a carboxylic acid amide group, an alkoxysulfonyl group, a sulfonic acid amide group, a trifluoromethyl group, a cyano group, a hydroxy group, a nitro group, an amino group, or a halogen atom, and the aryl group, the carboxylic acid amide group, the sulfonic acid amide group, and the amino group in A1 to A3 optionally have a substituent, and
• n denotes an integer in the range of 1 to 5.

An ink containing a coloring compound with a structure represented by the following formula (1):

• wherein R1 to R3 independently denote a hydrogen atom, an unsubstituted amino group, or an amino group with a substituent,
• R4 to R6 independently denote a hydrogen atom, an alkyl group, an unsubstituted aryl group, or an aryl group with a substituent,
• A1 to A3 independently denote a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a carbamoyl group, an alkoxycarbonyl group, a carboxylic acid amide group, an alkoxysulfonyl group, a sulfonic acid amide group, a trifluoromethyl group, a cyano group, a hydroxy group, a nitro group, an amino group, or a halogen atom, and the aryl group, the carboxylic acid amide group, the sulfonic acid amide group, and the amino group in A1 to A3 optionally have a substituent, and
• n denotes an integer in the range of 1 to 5.

A thermal transfer recording sheet comprising:

• a substrate;
• and
• a coloring material layer containing a coloring compound with a structure represented by the following formula (1) on the substrate,
• wherein R1 to R3 independently denote a hydrogen atom, an unsubstituted amino group, or an amino group with a substituent,
• R4 to R6 independently denote a hydrogen atom, an alkyl group, an unsubstituted aryl group, or an aryl group with a substituent,
• A1 to A3 independently denote a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a carbamoyl group, an alkoxycarbonyl group, a carboxylic acid amide group, an alkoxysulfonyl group, a sulfonic acid amide group, a trifluoromethyl group, a cyano group, a hydroxy group, a nitro group, an amino group, or a halogen atom, and the aryl group, the carboxylic acid amide group, the sulfonic acid amide group, and the amino group in A1 to A3 optionally have a substituent, and
• n denotes an integer in the range of 1 to 5.

A color filter resist composition containing a coloring compound with a structure represented by the following formula (1),

• wherein R1 to R3 independently denote a hydrogen atom, an unsubstituted amino group, or an amino group with a substituent,
• R4 to R6 independently denote a hydrogen atom, an alkyl group, an unsubstituted aryl group, or an aryl group with a substituent,
• A1 to A3 independently denote a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a carbamoyl group, an alkoxycarbonyl group, a carboxylic acid amide group, an alkoxysulfonyl group, a sulfonic acid amide group, a trifluoromethyl group, a cyano group, a hydroxy group, a nitro group, an amino group, or a halogen atom, and the aryl group, the carboxylic acid amide group, the sulfonic acid amide group, and the amino group in A1 to A3 optionally have a substituent, and
• n denotes an integer in the range of 1 to 5.