Halogen Bonded Directly To The Anthracene Configured Ring System Patents (Class 552/244)
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Publication number: 20130225517Abstract: The invention provides compounds of formula I: or salts thereof as described herein. The invention also provides pharmaceutical compositions comprising a compound of formula I and therapeutic methods for treating cancer.Type: ApplicationFiled: February 22, 2013Publication date: August 29, 2013Applicant: University of Iowa Research FoundationInventor: University of Iowa Research Foundation
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Patent number: 8058460Abstract: The present invention relates to anthraquinone derivatives which act as a fluorophore, to a process for producing said anthraquinone derivatives and their use as fluorophores for staining membranes in live or fixed cells.Type: GrantFiled: September 20, 2007Date of Patent: November 15, 2011Assignee: Universität HeidelbergInventors: Zuhal Kaya, Roland Krämer
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Patent number: 7901496Abstract: Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula wherein Y is a hydrogen atom or a bromine atom, n is an integer of 0, 1, 2, 3, or 4, R1 is an alkylene group, an arylene group, an arylalkylene group, or an alkylarylene group, provided that no oxygen atom creates a linkage, X is —O— or —NR3— wherein R3 is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and R2 is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group.Type: GrantFiled: July 29, 2004Date of Patent: March 8, 2011Assignee: Xerox CorporationInventors: Jeffrey H. Banning, Wolfgang G. Wedler, C. Wayne Jaeger
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Patent number: 7683192Abstract: Disclosed is a colorant compound of the formula wherein Y is a hydrogen atom or a bromine atom, n is an integer of 0, 1, 2, 3, or 4, R1 is an alkylene group, an arylene group, an arylalkylene group, or an alkylarylene group, provided that no oxygen atom creates a linkage, X is —O— or —NR3— wherein R3 is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and R2 is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group.Type: GrantFiled: July 29, 2004Date of Patent: March 23, 2010Assignee: Xerox CorporationInventors: Jeffrey H. Banning, Wolfgang G. Wedler, C. Wayne Jaeger
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Publication number: 20100064452Abstract: The present invention concerns dyes of the general formula I where X and Y represent hydrogen, bromine or chlorine, but not simultaneously hydrogen; R represents F, Cl, Br, COOR1 or CF3; R? represents H or F; R1 represents C1-C6-alkyl; and one of W1 and W2 represents hydroxyl and the other nitro and Y is always ortho to the hydroxyl group; but not compounds in which R represents Cl attached to the phenyl nucleus in a is position ortho to the NH group nor compounds in which W1 represents nitro, W2 represents hydroxyl, Y represents hydrogen, X represents chlorine and R represents bromine attached to the phenyl nucleus in a position meta to the NH group, mixtures with further dyes, and also their preparation and use.Type: ApplicationFiled: August 24, 2007Publication date: March 18, 2010Applicant: DyStar Textilfarben GmbH & Co. Deutschland KGInventor: Hartwig Jordan
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Publication number: 20090291467Abstract: The present invention relates to anthraquinone derivatives which act as a fluorophore, to a process for producing said anthraquinone derivatives and their use as fluorophores for staining membranes in live or fixed cells.Type: ApplicationFiled: September 20, 2007Publication date: November 26, 2009Applicant: Universitat HeidelbergInventors: Zuhal Kaya, Roland Krämer
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Patent number: 7524979Abstract: A process for preparing a colorant of the formula which comprises preparing a first reaction mixture by admixing leucoquinizarin and, optionally, quinizarin, an aminobenzene substituted with an alcohol group of the formula —R1—OH, boric acid, and an optional solvent, and heating the first reaction mixture to prepare an alcohol-substituted colorant of the formula followed by converting the colorant thus prepared to either an ester-substituted colorant by reaction with an esterification compound which is either an anhydride of the formula or an acid of the formula R2COOH in the presence of an optional esterification catalyst, or a urethane-substituted colorant by reaction with an isocyanate compound of the formula R4—N?C?C?O, and brominating the colorant thus prepared, wherein either conversion to ester or urethane can be performed before bromination or bromination can be performed before conversion to ester or urethane.Type: GrantFiled: February 21, 2006Date of Patent: April 28, 2009Assignee: Xerox CorporationInventors: C. Wayne Jaeger, Jeffery H. Banning
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Publication number: 20080168608Abstract: The subject of the present invention is the use, for dyeing in particular human keratin materials, of a specific direct anthraquinone dye by dry thermal transfer. Its subject is furthermore a method for dyeing keratin materials, in which at least one direct anthraquinone dye contained in a dry composition is applied to or close to the keratin materials, and a source of heat is applied, causing the thermal transfer of the direct dye(s) at the surface and/or inside the keratin materials. It relates furthermore to the dry composition and a method for preparing it.Type: ApplicationFiled: February 28, 2006Publication date: July 17, 2008Inventors: Gregory Plos, Luc Gourlaouen, Jean-Dominique Bazin De Bezons
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Patent number: 6958406Abstract: Disclosed are compounds of the formula wherein Y is a hydrogen atom or a bromine atom, n is an integer of 0, 1, 2, 3, or 4, R1 is an alkylene group or an arylalkylene group, and X is (a) a hydrogen atom, (b) a group of the formula wherein R2 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, (c) an alkyleneoxy, aryleneoxy, arylalkyleneoxy, or alkylaryleneoxy group, or (d) a group of the formula wherein R4 is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group.Type: GrantFiled: September 27, 2002Date of Patent: October 25, 2005Assignee: Xerox CorporationInventors: Jeffery H. Banning, C. Wayne Jaeger
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Publication number: 20040135117Abstract: Dichroic dyes, dichroic dye compositions, and liquid crystal composition and liquid crystal display element containing the dichroic dyes. The dichroic dye has increased solubility and stability.Type: ApplicationFiled: May 23, 2003Publication date: July 15, 2004Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Shih-Hsien Liu, Yang-Chu Lin, Woan-Shiow Tzeng, Jie-Hwa Ma, Kung-Lung Cheng, Long-Li Lai
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Patent number: 5817843Abstract: This invention is to provide a novel quinizarin compound which has a quinizarin structure represented by a following formula (1) having one to four of the 5, 6, 7, and 8 positions and at least either the 6 or 7 position formed of at least one member selected from the class consisting of secondary amino groups, alkylthio groups, and optionally substituted phenylthio groups, and having the remaining positions thereof formed of at least one member selected from the class consisting of hydrogen atom, halogen atoms, amino group, hydroxy group, alkoxy groups, and optionally substituted phenoxy groups, a method for the production thereof, and a dye, an electrophotographic grade color toner composition, a thermal-transfer recording sheet, an optical recording medium, an ink jet grade ink composition and a color filter severally comprising the quinizarin compound.Type: GrantFiled: October 16, 1996Date of Patent: October 6, 1998Assignee: Nippon Shokubai Co., Ltd.Inventors: Kiyoshi Masuda, Yukie Tamaura, Osamu Kaieda
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Patent number: 5608091Abstract: This invention is to provide a novel quinizarin compound which has a quinizarin structure represented by a following formula (1) having one to four of the 5, 6, 7, and 8 positions and at least either the 6 or 7 position formed of at least one member selected from the class consisting of secondary amino groups, alkylthio groups, and optionally substituted phenylthio groups, and having the remaining positions thereof formed of at least one member selected from the class consisting of hydrogen atom, halogen atoms, amino group, hydroxy group, alkoxy groups, and optionally substituted phenoxy groups, a method for the production thereof, and a dye, an electrophotographic grade color toner composition, a thermal-transfer recording sheet, an optical recording medium, an ink jet grade ink composition and a color filter severally comprising the quinizarin compound.Type: GrantFiled: September 30, 1994Date of Patent: March 4, 1997Assignee: Nippon Shokubai Co., Ltd.Inventors: Kiyoshi Masuda, Yukie Tamaura, Osamu Kaieda
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Patent number: 5493036Abstract: The invention relates to fibre-reactive anthraquinone dyes of formula ##STR1## wherein R.sub.1, R.sub.2, B, U, R and n are as defined in claim 1. The anthraquinone dyes of formula (1) are suitable for dyeing or printing hydroxyl group containing or nitrogen-containing fibre materials and give dyeings or prints of good allround fastness properties.Type: GrantFiled: September 19, 1994Date of Patent: February 20, 1996Assignee: Ciba-Geigy CorporationInventor: Jean-Marie Adam
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Patent number: 5480873Abstract: Pharmaceutical compounds of the formula ##STR1## in which R.sup.1 and R.sup.2 are each hydrogen, hydroxyl, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, acyloxy, --O-glucoside, optionally substituted phenyl or optionally substituted phenyl-C.sub.1-4 alkoxy;R.sup.3 istetrazolyl, orand R.sup.4 and R.sup.5 are each hydrogen, hydroxy, acyloxy, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halo, optionally substituted phenyl, --SO.sub.3 H or --NR'R" where R' and R" are each hydrogen or C.sub.1-4 alkyl;provided that when R.sup.3 is --CR'R".CHR'"CO.sub.2 H or tetrazolyl, R.sup.1 and R.sup.2 are each hydroxyl, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, acyloxy, --O-glucoside, optionally substituted phenyl or optionally substituted phenyl C.sub.1-4 alkoxy; andor a pharmaceutically acceptable salt or ester thereof.Type: GrantFiled: February 25, 1993Date of Patent: January 2, 1996Assignee: Lilly Industries LimitedInventors: Michael Brunavs, Colin P. Dell, David R. Dobson, Peter T. Gallagher, Terence A. Hicks, William M. Owton, Colin W. Smith
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Patent number: 5132327Abstract: Compounds of formula (I) ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each separately selected from hydrogen, X, NH--A--NHR and NH--A--N(O)R'R" wherein X is hydroxy, halogeno, amino, C.sub.1-4 alkoxy or C.sub.2-8 alkanoyloxy, A is a C.sub.2-4 alkylene group with a chain length between NH and NHR or N(O)R'R" of at least 2 carbon atoms and R, R' and R" are each separately selected from C.sub.1-4 alkyl groups and C.sub.2-4 hydroxyalkyl and C.sub.2-4 dihydroxyalkyl groups in which the carbon atom attached to the nitrogen atom does not carry a hydroxy group and no carbon atom is substituted by two hydroxy groups, or R' and R" together are a C.sub.2-6 alkylene group which with the nitrogen atom to which R" and R" are attached forms a heterocyclic group having 3 to 7 atoms in the ring, but with the proviso that at least one of R.sub.1 to R.sub.4 is a group NH--A--N(O)R'R", and physiologically acceptable salts thereof are of value in the treatment of cancer.Type: GrantFiled: April 10, 1991Date of Patent: July 21, 1992Assignee: National Research Development CorporationInventor: Laurence H. Patterson
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Patent number: 5082957Abstract: 1-Amino-2-bromo-4-hydroxy-anthraquinone (I) ##STR1## is prepared by brominating 1-amino-4-hydroxyanthraquinone (II) ##STR2## in an inert aprotic organic liquid.Type: GrantFiled: November 17, 1989Date of Patent: January 21, 1992Assignee: Basf AktiengesellschaftInventor: Gerhard Epple
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Patent number: 4997960Abstract: 1-Amino-2-chloro-4-hydroxyanthraquinone (I) ##STR1## in prepared by chlorinating 1-amino-4-hydroxyanthraquinone (II) ##STR2## by a process in which the chlorination is carried out in 90-100% strength by weight sulfuric acid or in not more than 2% strength by weight oleum.Type: GrantFiled: September 7, 1989Date of Patent: March 5, 1991Assignee: BASF AktiengesellschaftInventor: Gerhard Epple