Abstract:
The present invention provides a binaphthol compound represented by formula [1]: and a salt thereof. The binaphthol compound of the present invention is useful for manufacturing antiseptic compounds or chiral catalysts. According to the method of the present invention, binaphthol compounds can be prepared in high yield with low cost.
Abstract:
Novel naphthol derivatives, and various azo compounds and metal complexes prepared by using the derivatives are provided. The instant invention provides naphthol derivatives represented by general formula (1); wherein at least one of Y1 and Y2 is a group represented by formula (2); wherein X1 is —O—, —S— or —NH—; and Z is an optionally substituted aromatic group or heterocyclic group having conjugated double bonds, and salts thereof; mono-, bis-, and trisazo compounds prepared from the derivatives; and metal complexes containing the derivatives as the ligand.
Abstract:
A diamide type azo compound represented by the general formula (I): which is derived from 2-hydroxy-3,6-dicarboxylic acid and at least one of the amide moieties in the compound is an aliphatic amide moiety, various use of the same and process for preparing the same are provided.
Abstract:
The present invention provides a method for producing a naphthalenecarboxylic acid amide compound represented by formula [1] comprising, reacting a naphthalenecarboxylic acid halide compound represented by formula [2] with ammonium acetate in a solvent having an ether bond. According to the method of the present invention, a naphthalene carboxylic acid amide compound can be obtained at high yield and at low cost.
Abstract:
The present invention provides a hydroxynaphthalenedicarboxylic acid hydrazide or a derivative thereof represented by formula (1): wherein X1 is a group selected from the group consisting of carboxyl group, a group represented by formula (2) and a group represented by formula (3): —CO—NH-Z (2) —CO—NHNH2 (3) Y1 is a group selected from the group consisting of carboxyl group, carbamoyl group, a group represented by formula (2), a group represented by formula (3) and a group represented by formula (4): —CO—O-A (4) provided that at least one of X1 and Y1 is a group represented by formula (3).
Abstract:
The present invention provides a hydroxynaphthalenedicarboxylic acid hydrazide dimer or a derivative thereof represented by formula (1): wherein X1 and X2 are independently selected from the group consisting of carboxyl group, a group represented by formula (2) and a group represented by formula (3): —CO—NH-Z (2) —CO—NHNH2 (3) Y1 and Y2 are independently selected from the group consisting of carboxyl group, carbamoyl group, a group represented by formula (2), a group represented by formula (3) and a group represented by formula (4): —CO—O-A (4) provided that at least one of X1, X2, Y1 and Y2 is a group represented by formula (3).
Abstract:
The present invention provides a method for producing a naphthalenecarboxylic acid amide compound represented by formula [1] comprising, reacting a naphthalenecarboxylic acid halide compound represented by formula [2] with ammonium acetate in a solvent having an ether bond. According to the method of the present invention, a naphthalene carboxylic acid amide compound can be obtained at high yield and at low cost.