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Class Information
Number: 534/777
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Hetero ring containing > Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos > Additional hetero ring attached indirectly to the azo group by nonionic bonding > The additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos is bonded directly to an alkylene chain, which chain is between the azo group and the additional hetero ring
Description: Compounds wherein the additional hetero ring or a polycyclo ring system which contains the hetero ring as one the cyclos is bonded directly to an alkylene chain, which chain is between the azo group and the additional hetero ring.

Patents under this class:
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Patent Number Title Of Patent Date Issued
7956169 Synthesis of novel azo-dyes and their use in oligonucleotide synthesis Jun. 7, 2011
7125966 Azo compounds Oct. 24, 2006
6989439 Color developing agent, azo dye, silver halide photographic light-sensitive material, and image-forming method Jan. 24, 2006
5723586 Disperse dyes Mar. 3, 1998
5633355 Monoazo disperse dyes from selected (aromatic amino)propionates or selected (aromatic amino)butyrates May. 27, 1997
5612221 Avidin-binding fluorescing and quenching reagent for use in homogeneous assays Mar. 18, 1997
5536820 Avidin-binding azo reagents Jul. 16, 1996
5502172 Process for the preparation of pyrazole azo dyestuffs Mar. 26, 1996
5446136 Pyrazole azo dyestuffs Aug. 29, 1995
5436323 Cationic 1,3,4-thiadiazole dyestuffs Jul. 25, 1995
4810783 Process for the preparation of azo dyestuffs having an aniline-type coupler by aminolysis of the appropriate ether group-containing compounds Mar. 7, 1989
4769447 Gamma-Glutamyl-4-azoanilides Sep. 6, 1988
4668775 .alpha.-methine substituted thiophene monoazo dye May. 26, 1987
4656256 Benzoazoresorcinol dyes containing a quaternized aminoalkylene oxycarbonyl group Apr. 7, 1987
4650861 Azo dyes from 5-amino-4-nitropyrazole compounds and aniline couplers Mar. 17, 1987
4619992 3-(.beta.-aminoethyl)-4-cyano-isothiazolylazo dyes Oct. 28, 1986
4599402 Metal complex dyes containing azo azomethine groups Jul. 8, 1986
4593087 Disperse and acid azo dyes having one or two cinnamoyl substituents on a thiazole, isothiazole or thiadiazole diazonium moiety and having an aniline, tetrahydroquinoline or benzomorpholine cou Jun. 3, 1986
4593088 2-amino-cinnamoylthiophene azo dyes having aniline, tetrahydroquinoline, or benzomorpholine couplers Jun. 3, 1986
4528368 Azo dyes from 2-amino-5-cyanomethylthio-1,3,4-thiadiazole and aniline and tetrahydroquinoline couplers Jul. 9, 1985
4473501 Dihydro azino isoquinolines Sep. 25, 1984
4459229 Heterocyclic azo dyes with couplers having sulfoaralkyl groups Jul. 10, 1984
4456551 Azo dyes from 2-amino-5-alkylthio-1,3,4-thiadiazoles and N-acyloxyalkyl-m-acylamidoanilines Jun. 26, 1984
4444684 Azo dyes containing a diazotized 5-amino isothiazol moiety having thereon a sulfonic acid or salt group Apr. 24, 1984
4439362 Azo compounds having one or two 1,4-dioxanylmethoxycarbonyl-alkyl or -alkoxyalkyl groups Mar. 27, 1984
4407749 AZO Dyes from 2-sulfonated, sulfated or thiosulfated organothiothiadiazole and aniline, tetrahydroquinoline, or benzomorpholine couplers Oct. 4, 1983
4400318 Substituted 5-acyl-3-carbamoyl-2-thienyl azo dyes with aniline, tetrahydroquinoline, and benzomorpholine couplers, process of manufacture, and polyamide testile materials dyed therewith Aug. 23, 1983
4341700 Monoazo compounds having a substituted 1,2,3-triazolyl-5 diazo component radical and an unsubstituted or substituted 1,4-phenylene coupling component radical Jul. 27, 1982
4282144 Azo dyes derived from 5-membered heterocyclic amines and aromatic amine couplers containing sulfo groups, or salts thereof Aug. 4, 1981
4271071 Heterocyclic monoazo compounds from alkyl-3-(phenylamino)butyrates Jun. 2, 1981
4265812 Azo dyes derived from 3-amino-2,1-benzisothiazoles and aromatic amine couplers containing sulfo groups, or salts thereof May. 5, 1981
4264495 2-Thienyl azo dyestuff compounds Apr. 28, 1981
4259236 Azo compounds, containing a 1,2,4-thiadiazole moiety Mar. 31, 1981
4255326 Nitrogen and/or sulfur containing heterocyclic azo dyes with aniline, tetrahydroquinoline and benzomorpholine couplers having sulfate group Mar. 10, 1981
4248775 Preparation of solutions of azo methine basic dyestuffs Feb. 3, 1981
4233214 Cationic azo dyestuffs with a hydroxyalkylated ammonium group Nov. 11, 1980
4225490 Heterocyclyl-azo-phenyl dyes having a cationic group linked through a branched alkylene chain to the nitrogen atom of the coupling component radical Sep. 30, 1980
4219475 Azo dyes from 2-amino-5-styryl-1,3,4-thiadiazoles Aug. 26, 1980
4211696 Disperse monoazo dyestuffs derived from 3,5-dinitro-2-amino thiophene as disazo component and an arylamine coupling component Jul. 8, 1980
4168264 1,3,3-Trimethyl-2-methylene indoline cationic n-methyl azo dyes Sep. 18, 1979
4145341 Water-soluble azo dyes containing diaminopyrimidine coupler components Mar. 20, 1979
4113718 Basic azo dyes Sep. 12, 1978
4097475 Disperse mono- and bisazo dyes derived from 2-amino-4,5-dicyanoimidazole Jun. 27, 1978
4079050 Disperse monoazo dyestuffs containing a thiophene residue Mar. 14, 1978
4065447 Azo compounds having a 3-arylthio- or aliphaticthio-4-cyano- or alkoxycarbonyl-pyrazolyl-5 diazo component radical Dec. 27, 1977
4064136 Process for the manufacture of benzoxazole, benzthiazole and benzimidazole derivatives Dec. 20, 1977
4057539 Azo compounds containing a naphthalic imide coupler Nov. 8, 1977
4052379 Dyes from trifluoromethyl-2-aminobenzothiazole diazo components Oct. 4, 1977
4041025 P-Aminoazo disperse dyes Aug. 9, 1977
4039522 Phthalimidyl-azo-m-acylamido-n-substituted aniline compounds and polyester fibers dyed therewith Aug. 2, 1977

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