Quaternary Azo Group Containing Patents (Class 534/574)
-
Patent number: 8623846Abstract: A compound having the structure (I) or a pharmaceutically acceptable salt thereof, wherein R3 is hydrogen, deuterium, —OH, —OC1-6alkyl, or halogen; R8 is hydrogen, deuterium, or C1-6alkyl; R11 and R12 are independently hydrogen, —C1-6alkyl, —OH, —OC1-6alkyl, or halogen; R13 and R14 are independently —C1-6alkyl, —(CH2)1-2OH, or —OC1-6alkyl, or, together with the nitrogen atom to which they are attached, form a 4- to 7-membered heterocyclic ring containing one nitrogen atom and 0 or 1 oxygen atoms, wherein said ring is unsubstituted or mono-, di- or tri-substituted with halogen or —C1-6alkyl; R15 is —C(O)OH, —C(O)OCH2CH2N+CH3)3 wherein n is 0, 1 or 2, —C(O)NHCH(R17)OR16, or —C(O)NHCH(R17)C(O)NHCH(R18)C(O)OR16; R16 is hydrogen, C1-6alkyl, or (CH2)1-2N+R19R20R21; R1, R2, R4, R5, R6, R7, R9, R10, R17, R18, R19, R20, and R21 are independently hydrogen or —C1-6alkyl; and stereoisomers thereof, and pharmaceutically acceptable salts thereof, and pharmaceutically acceptable salts of stereoisomers thereof.Type: GrantFiled: May 16, 2011Date of Patent: January 7, 2014Assignee: Merck Sharp & Dohme Corp.Inventors: Amjad Ali, Lin Yan, Pei Huo, Ravi Nargund
-
Publication number: 20130059823Abstract: A compound having the structure (I) or a pharmaceutically acceptable salt thereof, wherein R3 is hydrogen, deuterium, —OH, —OC1-6alkyl, or halogen; R8 is hydrogen, deuterium, or C1-6alkyl; R11 and R12 are independently hydrogen, —C1-6alkyl, —OH, —OC1-6alkyl, or halogen; R13 and R14 are independently —C1-6alkyl, —(CH2)1-2OH, or —OC1-6alkyl, or, together with the nitrogen atom to which they are attached, form a 4- to 7-membered heterocyclic ring containing one nitrogen atom and 0 or 1 oxygen atoms, wherein said ring is unsubstituted or mono-, di- or tri-substituted with halogen or —C1-6alkyl; R15 is (CR1R2)nC(O)OR16, wherein n is 0, 1 or 2, —C(O)NHCH(R17)OR16, or —C(O)NHCH(R17)C(O)NHCH(R18)C(O)OR16; R16 is hydrogen, C1-6alkyl, or (CH2)1-2N+R19R20R21; R1, R2, R4, R5, R6, R7, R9, R10, R17, R18, R19, R20, and R21 are independently hydrogen or —C1-6alkyl; and stereoisomers thereof, and pharmaceutically acceptable salts thereof, and pharmaceutically acceptable salts of stereoisomers thereof.Type: ApplicationFiled: May 16, 2011Publication date: March 7, 2013Inventors: Amjad Ali, Lin Yan, Pei Huo, Ravi Nargund
-
Publication number: 20100154145Abstract: Reactive dyes of formula wherein B is an aliphatic bridging member, R1 is C1-C4alkyl, halogen or an —SO2—Z radical, R2 and R3 are each independently of the other C1-C4alkoxy, R4, R5 and R6 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, k and q are each independently of the other the number 0 or 1, p is the number 0, 1 or 2, X1 and X2 are each independently of the other halogen, and T is halogen, a non-fibre-reactive substituent or a fibre-reactive radical of formula wherein (R7)0-2 denotes from 0 to 2 identical or different substituents from the group halogen, C1-C4alkyl, C1-C4alkoxy and sulfo, Z is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, Q is a —CH(Hal)-CH2-Hal or —C(Hal)=CH2 group and Hal is halogen, or T is a radical of formula wherein R1, R2, R3, R4, k, p and q each have the definitions given above, are suitable especially for dyeing cotton and yield dyeings having good all-round fastness propType: ApplicationFiled: August 2, 2006Publication date: June 24, 2010Applicant: HUNTSMAN INTERNATIONAL LLCInventors: Hubert Jean Luc Christnacher, Athanassios Tzikas, Georg Roentgen
-
Publication number: 20080256726Abstract: Dye mixtures, comprising at least one dye of formula and at least one dye from the group of formulae wherein B1, B2 and B3 are each independently of the others an organic bridging member, Q1 is C1-C4alkyl, halogen or a radical —SO2-Z, Q2 and Q3 are each independently of the other C1-C4alkoxy, Q4 is C1-C4alkoxy, C1-C4alkyl, halogen or sulfo Q5 is C1-C4alkoxy, C1-C4alkyl, C1-C4alkanoylamino, ureido, halogen or sulfo, R1, R2, R3, R4, R5, R6, R7, R8 and R9 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, k and q are each independently of the other the number 0 or 1, n and p are each independently of the other the number 0, 1 or 2, m is the number 0, 1, 2 or 3, t is the number 1, 2 or 3, X1, X2, X3, X4, X5 and X6 are each independently of the others halogen, and T1, T2 and T3 are each independently of the others a non-fibre-reactive substituent or a fibre-reactive radical of formula wherein (R10)0-2 denotes from 0 to 2 identical or different substiType: ApplicationFiled: November 6, 2006Publication date: October 23, 2008Inventors: Jean-Marie Sire, Athanassios Tzikas, Georg Roentgen
-
Patent number: 7060806Abstract: The cationic dyes of formula (1) specified in claim 1 are suitable especially for colouring keratin-containing fibres, more especially for colouring hair.Type: GrantFiled: December 8, 2004Date of Patent: June 13, 2006Assignee: Ciba Specialty Chemicals CorporationInventor: Peter Möckli
-
Patent number: 6620920Abstract: The invention provides an optical method which permits, with the aid of 6 simple measurements, a conclusion regarding the suitability of antennas (groups which can absorb electromagnetic radiation) for incorporation into photoaddressable polymers.Type: GrantFiled: October 14, 1999Date of Patent: September 16, 2003Assignee: Bayer AktiengesellschaftInventors: Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Joachim Rübner, Ralf Ruhmann
-
Patent number: 5554731Abstract: Preparation of water-soluble reactive dyes containing vinylsulphonyl and .beta.-sulphatoethylsulphonyl groups by the oxidation of dyes containing .beta.-hydroxyethylmercapto radicals, and then sulphation and, if appropriate, conversion of the .beta.-sulphatoethylsulphonyl radical to the vinylsulphonyl radical with bases.Type: GrantFiled: September 22, 1994Date of Patent: September 10, 1996Assignee: Bayer AktiengesellschaftInventors: Karl-Josef Herd, Peter Roschger
-
Patent number: 5073634Abstract: Basic dyes of the formulaChr.sup..sym.[FeCl.sub.4 ].sup..crclbar.where Chr.sup.a is a dye cation are useful for dyeing acrylonitrile polymers or acid-modified polyesters.Type: GrantFiled: May 1, 1990Date of Patent: December 17, 1991Assignee: BASF AktiengesellschaftInventors: Johannes P. Dix, Guenter Hansen, Hellmut Kast
-
Patent number: 4760132Abstract: Cationic hydrazone dyestuffs of the general formula ##STR1## in which R.sub.1 stands for hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy, nitro or halogen,R.sub.2 stands for hydrogen, C.sub.1 - to C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy, halogen or phenylazo,R.sub.3 stands for C.sub.1 - to C.sub.3 -alkyl andA.sup.- stands for an anion,are prepared by quaternarizing azo bases of the general formula ##STR2## wherein R.sub.1, R.sub.2 and R.sub.3 have the abovementioned meaning, with dialkyl sulphates of the general formula(R.sub.3 --O).sub.2 SO.sub.2 IIIin whichR.sub.3 has the abovementioned meaning,in the presence of water and alkali metal sulphate or alkaline earth metal sulphate and, where appropriate, by replacing the alkylsulphate anion by another anion.Type: GrantFiled: December 16, 1986Date of Patent: July 26, 1988Assignee: Bayer AktiengesellschaftInventors: Hans-Lothar Dorsch, Dietmar Kalz, Volker Huhne, Roderich Raue