Title:
COMPOUND, ITS TAUTOMERS OR THEIR SALTS, COLORED COMPOSITION, AND DYED PRODUCT
Document Type and Number:
Japanese Patent JP2022142528
Kind Code:
A
Abstract:
To provide a novel compound which exhibits a color tone of an intermediate color such as orange and is useful as a dye excellent in fastness, and its tautomers or their salts, and to provide a colored composition and a dyed product containing the compound, its tautomers or their salts.SOLUTION: A compound represented by formula 1 and its tautomers or their salts, and a colored composition and a dyed product containing the compound represented by formula 1, its tautomers or their salts are disclosed. In formula 1, Ar1 represents a heterocyclic group containing no sulfur atom in the ring, R1 represents a hydroxy group, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an acyl group, a carbamoyl group, a cyano group, an amino group, an alkylamino group, a sulfonylamino group, an alkylthio group, an alkylsulfonyl group, or an arylsulfonyl group, A represents an oxygen atom, or a nitrogen atom bonded with a substituent, and an acid dissociation constant pKa of a hydrogen atom directly bonded with the oxygen atom or the nitrogen atom is 2-9.SELECTED DRAWING: None
Inventors:
UEDA MIKI
Application Number:
JP2021042731A
Publication Date:
September 30, 2022
Filing Date:
March 16, 2021
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
C09B29/36; C09B57/00; C09B67/20
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office
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