Sumitomo Chemical Company, Limited

Daiei Chemical Co., Ltd.

Yasuyoshi Ueda

Takashi Omura

Jun Yamamoto

Junichi Sekihachi

Hideo Hattori

Toshiyuki Araki

Yosuke Yamamoto

Takeshi Washimi

Nobutaka Kunimi

Takemi Tokieda

Kiyoyasu Hashimoto

Shin-ichi Yabushita

Yoshimi Ebiike

Bunzi Tsukise

Yuzo Maegawa

Masao Nishikuri

Kiyoharu Nakatsuka

Makoto Hattori

Shinei Ikeou

Masanobu Terao

A compound, 3-phenyl-7-&lsqb;4-(tetrahydrofurfuryloxy)phenyl&rsqb;-1,5-dioxa-s-indacene-2,6-dione, which has a structure of crystals exhibiting the strongest peak at an angle of diffraction, 2&thgr;, of 4.7&deg;, among peaks appearing within the range of not smaller than 3&deg; of 2&thgr;, in an X-ray diffraction using a Cu-K&agr;-ray. The compound gives dyed or printed products having deep and brilliant tint of colors with excellent fastnesses, when applied to hydrophobic fiber materials, particularly, polyester fiber materials.

3-phenyl-7-&lsqb;4-(tetrahydrofurfuryloxy)phenyl&rsqb;-1,5-dioxa-s-indacene-2,6-dione

A monoazo compound represented by the general formula (I): ##STR1## wherein A represents alkylene which may be substituted or a group: --(CH.sub.2)m--Q.sup.1 --(CH.sub.2)n-- wherein Q.sup.1 is --O--, --S-- or --NR.sup.3 --, m and n are, independently with each other, 2, 3 or 4 and R.sup.3 is hydrogen, alkyl which may be substituted or phenyl which may be substituted; B represents .beta.-carboxyvinyl, alkyl which may be substituted or phenyl which may be substituted; D represents phenylene which may be substituted; X represents aliphatic, aromatic, alicyclic, cyclic or unsubstituted amino; R.sup.1 and R.sup.2 represent, independently with each other, hydrogen or alkyl which may be substituted; and SO.sub.2 Y is a reactive vinyl sulfone group; or a salt thereof, and a process for dyeing or printing fiber materials using said compound. Said process enables red dyeing or printing of hydroxyl group and/or amido group containing organic materials with excellent fixing in deep dyeing.

Monoazo compounds and dyeing or printing process for fiber materials

A monoazo compound represented by the general formula (I): ##STR1## wherein D is an optionally substituted phenyl or an optionally substituted naphthyl;

Monoazo compounds and dyeing or printing methods using the same

A reactive dye composition comprising an anthraquinone compound(I) of the following formula: ##STR1## wherein Z represents --CH=CH2 or --CH2CH2Z.sup.1 in which Z.sup.1 represents a group splitable by the action of an alkali other than a carboxypyridinio group and an anthraquinone compound(II) of the following formula: ##STR2## and a method for dyeing or printing cellulose-containing fiber materials using the same.

Anthraquinone reactive dye compositions and methods for dyeing or

A phthalocyanine monoazo compound which is represented by the following formula (I): ##STR1## wherein Pc represents a phthalocyanine group; M represents nickel, cobalt or copper; R.sub.1 represents a hydrogen atom or a lower alkyl group; R.sub.2 and R.sub.3 represent a hydrogen atom, a lower alkyl group, a lower alkoxy group or a sulfo group; R.sub.4 represents a hydrogen or a lower alkyl group; A represents a group containing a triazine group or a pyrazole group and/or --SO.sub.2 X wherein X represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 Y and Y represents a group splittable by the action of an alkali; p is a number of 0-2; q is a number of 1-3; r is a number of 1-2; p+q+r is 4 or less or which is a salt of the compound of formula (I).

Fiber reactive phthalocyanine monoazo compounds having improved dyeing

A phthalocyanine monoazo compound which is represented by the following formula (I): ##STR1## wherein the variable radicals have the meaning given in the description, and the phthalocyanine monoazo compound has green color.

Phthalocyanine monoazo compounds and a process for producing the same

A monoazo compound suitable for dyeing or printing materials having a hydroxy group and/or amide group represented by the following general formula (I): ##STR1## wherein D represents a phenyl or naphthyl group; A represents a group represented by the following formula: ##STR2## or A represents a group represented by the following formula: ##STR3## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, n and Y have the meaning given in the specification; and salts thereof.

Monoazo compounds and method for dyeing or printing fiber materials

A heterocyclic compound of the formula, ##STR1## wherein A and B are each hydrogen, halogen, alkyl or alkoxy, R.sup.1 is alkylene having upto 6 carbon atoms, X is direct linkage or divalent group such as --O--, --S--and the like, T and U are each hydrogen or alkyl, l is 0 or 1 to 3, Q is 5-, 6- or 7- membered saturated or unsaturated heterocyclic residue, and Y is hydrogen, halogen, alkyl, alkoxy or ##STR2## and B are taken together with each other to form methylene-dioxy, which is useful for dyeing or printing hydrophobic fiber materials with superior dyeability to give a dyed or printed product of a red color excellent in fastness properties, particularly those such as washing fastness.

Heterocyclic compounds for making red disperse dyes

A heterocyclic compound of the formula, ##STR1## wherein A and B are each hydrogen, alkyl or alkoxy, Y is hydrogen, alkyl, alkoxy or --O--R.sup.2 --X--R.sup.1, or Y and B are taken together with each other to form methylenedioxy, R.sup.1 is alkyl, phenyl or alkenyl, R.sup.2 is unsubstituted or substituted alkylene, and X is --O--, --S--, --SO--, --SO.sub.2 -- or ##STR2## in which R.sup.3 is hydrogen or alkyl, with the proviso that R.sup.1 is C.sub.3 or C.sub.4 alkyl or alkenyl, or C.sub.1 -C.sub.4 alkyl when R.sup.2 is unsubstituted ethylene or propylene, respectively, X is --O-- or --S--, and Y and B don't form methylenedioxy, which is useful for dyeing or printing hydrophobic fiber materials with superior dyeability to give a dyed or printed product of a red color excellent in fastness properties, particularly those such as washing fastness.

Benzodifuranone compounds useful for dyeing or printing hydrophobic

A monoazo compound of the formula, ##STR1## wherein D is a heterocyclic or carbocyclic compound residue such as benzothiazolyl and phenyl, X is hydrogen, alkyl, alkoxy, halogeno, acylamino or the like, Y is hydrogen, halogeno, alkyl, alkoxy and the like, R.sub.1 is alkyl, R.sub.2 is C.sub.2 -C.sub.4 alkylene, B is a bridging group such as ##STR2## --O--, --S--, C.sub.1 -C.sub.6 alkylene and the like, and W.sub.1, W.sub.2, W.sub.3, Z.sub.1, Z.sub.2 and Z.sub.3 are independently hydrogen, alkyl, halogeno or the like, which is useful for dyeing hydrophobic fiber materials to give dyed or printed product of a deep color excellent in fastness properties, particularly those such as washing fastness, even after various finishing treatments of the product.

Monoazo-disperse dye compounds their production and their use

A disperse dye composition comprising (a) a pyridone monoazo compound of the formula (I), ##STR1## wherein X.sup.1 and X.sup.2 are each hydrogen, halogen, alkyl, alkoxy or others, and R.sup.1 is alkyl, alkenyl, cycloalkyl, phenyl or anilino, and (b) a pyridone monoazo compound of the formula (II). ##STR2## wherein X.sup.3 and X.sup.4 are each hydrogen, halogen, alkyl, alkoxy or others, and R.sup.2 is alkyl, alkenyl, cycloalkyl, phenyl or anilino, optionally together with (c) a quinophthalone compound of the formula (III), ##STR3## wherein Y is hydrogen or bromine, and the ring A is unsubstituted or substituted benzene or naphthalene ring, which is useful as a yellow dye component for dyeing or printing hydrophobic fiber materials with superior dye bath stability and level dyeing property.

Disperse dye composition useful for dyeing of printing hydrophobic fiber

2,4-Dichloro-3-alkyl-6-nitrophenol, which is a precursor of 2,4-dichloro-3-alkyl-6-aminophenol useful for the production of a cyan coupler to be used with a sensitive material in the field of a photography in color, is industrially advantageously produced by (a) nitration of 2,4,5-trichloro-3-alkylbenzene, followed by hydrolysis of the resulting 2,4,5-trichloro-3-alkyl-6-nitrobenzene, or (b) hydrolysis of 2,4,5-trichloro-3-alkylbenzene-6-sulfonic acid or a salt thereof, followed by nitration of the resulting 2,4-dichloro-3-alkylphenol-6-sulfonic acid or a salt thereof, the starting material usable for these processes being 4-alkylbenzenesulfonic acid or a salt thereof, which is easily available.

Process for producing 2,4-dichloro-3-alkyl-6-nitrophenol

A monoazo compound of the following formula, ##STR1## wherein X is a hydrogen or halogen atom, or a C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylsulfonyl, C.sub.1-4 alkylcarbonyl, C.sub.1-4 alkoxycarbonyl, nitro, cyano or trifluoromethyl group, Y is a hydrogen or chlorine atom or a methyl or acylamino group, and Z is a hydrogen or chlorine atom or a methyl, methoxy or ethoxy group, which is useful for dyeing or printing hydrophobic fibers with superior level dyeing and build-up properties to give dyed products of a brilliant color superior in fastness properties.

2,6-dicyano-4'-morpholinoazobenzene compounds useful for dyeing

1-Amino-2-phenoxy-4-hydroxyanthraquinones, which are useful as a red disperse dye for polyester fibers, and also useful as an intermediate for the production of other red disperse dyes, are produced in a high yield and purity by reacting a 1-amino-2-halogeno-4-hydroxyanthraquinone with a phenol compound in a sulfane solvent in the presence of an acid binding agent.

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Osaka, Japan

Yasuyoshi Ueda