Anthrone Or Anthraquinone In The Polycyclo Ring System Patents (Class 544/100)
  • Publication number: 20140356873
    Abstract: The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic rings. Many of the dyes of the invention are useful fluorescent dyes. The invention includes chemically reactive dyes, dye-conjugates, and the use of such dyes in staining samples and detecting ligands or other analytes.
    Type: Application
    Filed: August 18, 2014
    Publication date: December 4, 2014
    Inventors: Zhenjun DIWU, Jixiang LIU, Kyle GEE
  • Publication number: 20140200209
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: March 14, 2014
    Publication date: July 17, 2014
    Applicants: ViiV Healthcare Company, Shionogi & Co., Ltd.
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20140142300
    Abstract: An organic electroluminescence (EL) material and an organic EL device, the organic EL material being represented by Formula 1, below:
    Type: Application
    Filed: November 19, 2013
    Publication date: May 22, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hiroaki ITOI
  • Patent number: 8658567
    Abstract: Compositions for modulating plant growth, seed germination and soil borne diseases comprising anthraquinone derivatives are disclosed.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: February 25, 2014
    Assignee: Marrone Bio Innovations, Inc.
    Inventors: Hai Su, Pamela Marrone, Jason L Osborne
  • Publication number: 20130228770
    Abstract: Provided is an organic light emitting device having high emission efficiency and excellent driving durability. The organic light emitting device includes an anode, a cathode, and an organic compound layer disposed between the anode and the cathode, in which the organic compound layer includes an indolophenoxazine compound represented by the following general formula [1]: (in the formula [1], R1 to R4 each represents one of a hydrogen atom and an alkyl group having 1 to 4 carbon atoms, and n represents an integer of 0 to 3).
    Type: Application
    Filed: November 25, 2011
    Publication date: September 5, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tetsuya Kosuge, Jun Kamatani, Shigemoto Abe, Kengo Kishino
  • Patent number: 8466202
    Abstract: This invention relates compositions containing compounds of formula (I) below: Each of R1, R2, R3, R4, R5, R6, R7, and R8 is defined in the specification.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: June 18, 2013
    Assignee: Sunten Phytotech Co., Ltd.
    Inventors: Du-Shieng Chien, Yi-Wen Chu, Wu-Chang Chuang, Ming-Chung Lee
  • Publication number: 20120122804
    Abstract: The present invention relates to quinobenzoxazines analogs having the general formula: and pharmaceutically acceptable salts, esters and prodrugs thereof; wherein A, U, V, W, X and Z are substituents. The present invention also relates to methods for using such compounds.
    Type: Application
    Filed: March 30, 2007
    Publication date: May 17, 2012
    Applicant: Cylene Pharmaceuticals, Inc.
    Inventors: Jeffrey P. Whitten, Michael Schwaebe, Adam Siddiqui-Jain, Terrance Moran
  • Publication number: 20110190480
    Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for colouring plastics and plastic fibres, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for colouring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.
    Type: Application
    Filed: April 11, 2011
    Publication date: August 4, 2011
    Inventors: Nikolai (Mykola) IGNATYEV, Urs Welz-Biermann, Helge Willner, Maik Finze, Eduard Bernhardt, Andriy Kucheryna
  • Publication number: 20110172420
    Abstract: The invention concerns the production of quinoline compounds containing sulfonic acid groups, the said quinoline compounds and their conversion into dyes containing sulfonic acid groups. The dyes according to the invention are used especially to label analytes, for example to label biomolecules.
    Type: Application
    Filed: March 25, 2011
    Publication date: July 14, 2011
    Applicant: ATTO-TEC GMBH
    Inventors: Alexander Zilles, Jutta Arden-Jacob, Karl-Heinz Drexhage, Norbert Uwe Kemnitzer, Monika Hamers-Schneider
  • Publication number: 20100286360
    Abstract: A polymer compound comprising a residue of a compound of the following formula (1): (wherein, a ring C1, ring C2 and ring C3 represent each independently an aromatic hydrocarbon ring or hetero ring. A1 represents a di-valent group containing one or more atoms selected from a boron atom, carbon atom, nitrogen atom, oxygen atom, phosphorus atom, sulfur atom and selenium atom. R1 represents an alkyl group, alkoxy group, alkylthio group, aryl group, aryloxy group, arylthio group, arylalkyl group, arylalkyloxy group, arylalkylthio group, alkenyl group, alkynyl group, di-substituted amino group, tri-substituted silyl group, acyl group, acyloxy group, imine residue, amide group, acid imide group, mono-valent heterocyclic group, substituted carboxyl group, heteroaryloxy group or heteroarylthio group, or is connected to an atom adjacent to an atom on the ring C3 to which R1 is connected, to form a ring.).
    Type: Application
    Filed: August 10, 2006
    Publication date: November 11, 2010
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Satoshi Kobayashi, Shigeya Kobayashi
  • Publication number: 20100230666
    Abstract: Disclased is a polymeric compound having a constitutional unit represented by formula (1a), wherein ring A and ring B independently represent an aromatic hydrocarbon ring which may have a substituent; R1 represents a group represented by formula (2); and R2 represents an aryl group or a monovalent aromatic heterocyclic group which may be substituted by an alkyl group or the like. In formula (2), Ar1 to Ar3 independently represent an arylene group or a divalent group to which two or more arylene groups are attached via a single bond; Ar4 to Ar7 independently represent an aryl group or a monovalent aromatic heterocyclic group; R6 represents a hydrogen atom, an alkyl group, an aryl group or a monovalent aromatic heterocyclic group; Ar1 to Ar7 and R6 may be substituted by an alkyl group or the like; and k and kk independently represent an integer of 0 to 3, provided that at least one of k and kk represents an integer of 1 to 3.
    Type: Application
    Filed: November 20, 2008
    Publication date: September 16, 2010
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, Sumation Co., Ltd.
    Inventors: Kazuei Ohuchi, Makoto Anryu
  • Patent number: 7767719
    Abstract: This invention relates compositions containing compounds of formula (I) below: Each of R1, R2, R3, R4, R5, R6, R7, and R8 is defined in the specification.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: August 3, 2010
    Assignee: SunTen Phytotech Co., Ltd.
    Inventors: Du-Shieng Chien, Yi-Wen Chu, Wu-Chang Chuang, Ming-Chung Lee
  • Publication number: 20100127616
    Abstract: Disclosed is an organic electroluminescent device (organic EL device) which is improved in luminous efficiency, fully secured of driving stability, and of simple constitution. Also disclosed is a compound useful for the fabrication of said organic EL device. The organic electroluminescent device comprises organic layers including a light-emitting layer disposed between an anode and a cathode which are piled one upon another on a substrate and at least one of said organic layers comprises a compound for an organic EL device represented by general formula (1). Said organic layer is preferably a light-emitting layer containing a phosphorescent dopant.
    Type: Application
    Filed: March 26, 2008
    Publication date: May 27, 2010
    Applicant: NIPPON STEEL CHEMICAL CO., LTD.
    Inventors: Takahiro Kai, Toshihiro Yamamoto, Masanori Hotta, Junya Ogawa
  • Publication number: 20100098630
    Abstract: Disclosed herein are non-natural amino acids and polypeptides that include at least one non-natural amino acid, and methods for making such non-natural amino acids and polypeptides. The non-natural amino acids, by themselves or as a part of a polypeptide, can include a phenazine or quinoxaline substituent. Also disclosed herein are non-natural amino acid polypeptides that are further modified post-translationally, methods for effecting such modifications, and methods for purifying such polypeptides.
    Type: Application
    Filed: December 28, 2007
    Publication date: April 22, 2010
    Applicant: AMBRX, INC.
    Inventor: Zhenwei Miao
  • Publication number: 20100051908
    Abstract: The present invention relates to optoelectronic and/or electrochemical devices comprising an organic charge transporting material which is liquid at a temperature of ?180° C. In particular in dye-sensitised solar cells, quantum efficiency higher than with prior art solid organic hole-transporters is reported. The melting point of a large quantity of organic charge transporting materials may be adjusted to a desired value by selecting suitable substituents. Accordingly, general advantages of the liquid state may be associated with the properties of organic charge transporting materials.
    Type: Application
    Filed: March 21, 2007
    Publication date: March 4, 2010
    Inventors: Henry J. Snaith, Shaik Mohammad Zakeeruddin, Michael Graetzel
  • Publication number: 20090143373
    Abstract: The compounds include substituted rifamycin derivatives in which a quinolone carboxylic acid pharmacophore is covalently bonded to a benzoxazinorifamycin or a spiropiperidinorifamycin. The rifamycin derivatives are useful as antimicrobial agents and are effective against a number of human and veterinary Gram positive and Gram negative pathogens. The advantage of the inventive compounds is that both the rifamycin and quinolone antibacterial pharmacophores are co-delivered with matched pharmacokinetics to the targeted pathogens of interests. Delivery of multiple antibacterial pharmacophores simultaneously to the targeted pathogens has the maximum chance of achieving synergy and minimizing the development of resistance to the antibiotics given.
    Type: Application
    Filed: November 12, 2008
    Publication date: June 4, 2009
    Applicant: Cumbre Pharmaceuticals Inc.
    Inventors: Charles Z. Ding, Yafei Jin, Keith Combrink, In Ho Kim
  • Patent number: 7504495
    Abstract: The present invention provides novel quencher composition comprising anthraquinone quencher moieties. The anthraquinone quencher moieties are useful as quencher labels when attached to biomolecules such as natural or modified polynucleotides, oligonucleotides, nucleosides, nucleotides, carbohydrates and peptides. For example, polynucleotides can be labeled at the 3? terminus with fluorescence quencher solid support compositions, and polynucleotides can be labeled at internally or at the 5? terminus. The detectable probes may have a format like molecular beacons, scorpion probes, sunrise probes, conformationally assisted probes and TaqMan probes.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: March 17, 2009
    Assignee: Exiqon A/S
    Inventors: Christian Lomholt, Henrik M. Pfundheller, Michael Meldgaard
  • Publication number: 20090042871
    Abstract: The invention is directed to delta opioid receptor modulators. More specifically, the invention relates to tricyclic ?-opioid modulators. Pharmaceutical and veterinary compositions and methods of treating mild to severe pain and various diseases using compounds of the invention are also described.
    Type: Application
    Filed: October 9, 2008
    Publication date: February 12, 2009
    Inventors: Steven J. Coats, Scott L. Dax, Bart DeCorte, Li Liu, Mark McDonnell, James J. McNally
  • Publication number: 20080312218
    Abstract: In its many embodiments, the present invention provides tetracyclic compounds of formula I or formula II (wherein the various moieties are as defined herein) useful as metabotropic glutamate receptor (mGluR) antagonists, particularly as selective metabotropic glutamate receptor 1 antagonists, pharmaceutical compositions containing the compounds, and methods of treatment using the compounds and compositions to treat diseases associated with metabotropic glutamate receptor (e.g., mGluR1) such as, for example, pain, migraine, anxiety, urinary incontinence and neurodegenerative diseases such Alzheimers disease.
    Type: Application
    Filed: September 21, 2006
    Publication date: December 18, 2008
    Inventors: Duane A. Burnett, Wen-Lian Wu
  • Patent number: 6787132
    Abstract: A method of antitumor therapy is described in which administration of a chemotherapeutic drug, encapsulated in liposomes, is supplemented by administration of an immunostimulating cytokine. The cytokine is preferably also encapsulated in liposomes. In tumor models for lung and colon carcinomas, this method produced a significantly greater therapeutic effect, as evidenced by survival rate and tumor size, than a combination of the effects produced by the free or liposome-encapsulated components administered individually.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: September 7, 2004
    Assignees: Yissum Research Development Company of the Hebrew University of Jerusalem, Hadasit Medical Research Services and Development, Ltd.
    Inventors: Alberto A. Gabizon, Eliezer Kedar, Yechezkel Barenholz
  • Patent number: 6436972
    Abstract: This invention relates to a compound of formula I: or a pharmaceutically acceptable salt thereof; in which preferably R3, R4 and R6 are each hydrogen; X is C═O or CH2; and R7 and R8 are each independently selected from the group consisting of hydrogen, (C1-C12)alkyl, (C3-C8)cycloalkyl and (C1-C12)alkyl(C6-C14)aryl; or R7 and R8 when taken together form a (C2-C7)alkylene group; or —NR7R8 together forms a (C2-C14)heterocyclic or substituted (C2-C14)heterocyclic. Such compounds modulate the activity of serine hydrolases and can be used in pharmaceutical compositions for the treatment of Alzheimer's disease.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: August 20, 2002
    Assignee: Dalhousie University
    Inventors: Sultan Darvesh, David Magee, Zdenek Valenta, Earl Martin
  • Patent number: 6426416
    Abstract: The process for chemically modifying metal-free, colored anthraquinone or condensed anthraquinone compounds or the compounds prepared by said process for improving one or more properties thereof such as water dispersibility, compatibility with other organics, or increased chemical reactivity, wherein the process includes providing material with from 1-6 sulfonylhalide groups or sulfonate ester groups or mixtures thereof, and contacting the material under sulfonamido forming conditions with one or more reactants containing one or more poly(oxyalkylene) moieties, each of the reactants having from 1 to 4 functional amino groups, and each of the poly(oxyalkylene) moieties being comprised of from about 4 to about 200 epoxide reactant residues at least about 50 mole percent of which residues contain 2-4 carbons and wherein the total of said epoxide reactant residues is from about 4 to about 600.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: July 30, 2002
    Assignee: Millikan & Companay
    Inventors: Max Allen Weaver, Edward William Kluger, David Jesse Moody
  • Patent number: 5914401
    Abstract: Novel process for the preparation of quinolone carboxylic acid derivatives of general formula I, and intermediates thereof as illustrated in Scheme 1 wherein the key intermediate is a compound of formula IX.
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: June 22, 1999
    Assignee: Apotex, Inc.
    Inventors: Ian Egle, Regis C.S.H. Leung-Toung, Bo Lei, Tim Fat Tam, Tao Xin, Khashayar Karimian
  • Patent number: 5866592
    Abstract: Compounds of the following general formula (I) and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: February 2, 1999
    Assignees: Nippon Steel Corporation, Nippon Steel Chemical Co., Ltd.
    Inventors: Yoshio Hayashi, Takeo Harada, Jun Katada, Akira Tachiki, Takeo Okazaki, Yoshimi Satoh, Hiroshi Miyazaki, Tohru Asari
  • Patent number: 5504211
    Abstract: A polyalky-piperidinyl-containing .beta.-aminoacrylic ester derivative represented by the formula I ##STR1## is useful in stabilizing plastic and paints against light, oxygen and heat.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Aumueller, Alfred Krause, Hubert Trauth
  • Patent number: 5432173
    Abstract: The invention relates to the compounds of general formula (I): ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and A are as defined in the description.their isomers, diastereoisomers, and enantiomers as well as their addition salts with a pharmaceutically acceptable inorganic or organic acid, andmedicinal products containing the same which are usable for the treatment of psycho-behavioral disorders.
    Type: Grant
    Filed: October 13, 1993
    Date of Patent: July 11, 1995
    Assignee: Adir et Compagnie
    Inventors: Henri P. Husson, Jean C. Quirion, Martine Bonin, Beatrice Guardiola, Gerard Adam, Pierre Renard
  • Patent number: 5320678
    Abstract: A desulfonation reaction mixture of 4,4'-diamino-1,1'-dianthraquinonyl-3,3'-disulfonic acid obtainable in a conventional manner is mixed in the form of an aqueous acid suspension with a surface active agent, followed by filtration, whereby filterability and flowability of the produced 4,4'-diamino-1,1'-dianthraquinonyl pigment are efficiently improved.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: June 14, 1994
    Assignee: Sumitomo Chemical Co. Ltd.
    Inventors: Hiroki Inoue, Toshiaki Kishimoto, Iwao Sakaguchi, Kunitoshi Takahashi, Yoshiaki Hayashi, Keisuke Ito
  • Patent number: 5319074
    Abstract: A metal-free dyestuff of the formula ##STR1## and metal complex thereof wherein: Fb=the radical of a dyestuff selected from the group consisting of mono- or polyazo, anthraquinone, phthalocyanine, formazan, dioxazine and triphenylmethane radicals,B and B'=a direct bond or an aliphatic or aromatic bridge member to a ring C atom of an aromatic-carbocyclic ring or to a ring C or N atom or an aromatic-heterocyclic ring in Fb,X=CH.dbd.CH.sub.2 or CH.sub.2 CH.sub.2 --Y, whereinY=OSO.sub.3 H, SSO.sub.3 H, OCOCH.sub.3, OPO.sub.3 H.sub.2, OSO.sub.2 CH.sub.3, SCN, NHSO.sub.2 CH.sub.3 --, Cl, Br, F, OCOC.sub.6 H.sub.5, OSO.sub.2 --C.sub.6 H.sub.4 CH.sub.3, ##STR2## R=H or C.sub.1 -C.sub.4 -alkyl, which is optionally be substituted by halogen, hydroxy, cyano, C.sub.1 -C.sub.4 -alkoxy, carboxyl, sulpho or sulphato,Z=a fiber-reactive radical of the formula ##STR3## wherein M=H, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -thioalkyl, F or CF.sub.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: June 7, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfram Reddig, Karl-Josef Herd, Ernst Kysela
  • Patent number: 5310739
    Abstract: The invention relates to the compounds of general formula ##STR1## in which R.sub.1, R.sub.2, R.sub.4, R.sub.5 and A are as defined in the description.their isomers, diastereoisomers, and enantiomers as well as their addition salts with a pharmaceutically acceptable inorganic or organic acid, andmedicinal products containing the same which are usable for the treatment of psycho-behavioral disorders.
    Type: Grant
    Filed: May 13, 1992
    Date of Patent: May 10, 1994
    Assignee: Adir et Compagnie
    Inventors: Henri P. Husson, Jean C. Quirion, Martine Bonin, Beatrice Guardiola, Gerard Adam, Pierre Renard
  • Patent number: 5039683
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, alkyl of 1 to 6 carbon atoms, or NR.sup.4 R.sup.5, wherein R.sup.4 and R.sup.5 are independently selected from hydrogen and alkyl of 1 to 6 carbon atoms or a pharmaceutically acceptable cation;R.sup.2 is hydrogen, hydroxy, alkanoylamino of 1 to 6 carbon atoms, morpholino, halogen, hydroxyalkyl of 1 to 6 carbon atoms, COOR.sup.6 wherein R.sup.6 is alkyl of 1 to 6 carbon atoms or a pharmaceutically acceptable cation, alkoxy of 1 to 6 carbon atoms, NR.sup.7 R.sup.8 wherein R.sup.7 and R.sup.8 are independently selected from alkyl of 1 to 6 carbon atoms, alkanoyl of 1 to 6 carbon atoms, hydrogen, alkoxy of 1 to 6 carbon atoms, aminoalkyl of 2 to 6 carbon atoms, alkylaminoalkyl wherein each alkyl group is independently selected from alkyl groups having 2 to 6 carbon atoms, and dialkylaminoalkyl wherein each alkyl group is independently selected from alkyl groups having one to six carbon atoms, with the proviso that only one of R.sup.7 and R.sup.
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: August 13, 1991
    Assignee: Pfizer Inc.
    Inventor: Susumu Nakanishi
  • Patent number: 4741765
    Abstract: Benzenesulfonamide compounds such as N-[(4,6-dimethoxy-1,3,5-triazin-2-yl)aminocarbonyl]-1,4-dihydro-3-methyl-4 -oxo-1-phenyl-indeno[1,2-C]pyrazole-5-sulfonamide and N-[(4-methoxy-6-methyl-pyrimidin-2-yl)aminocarbonyl]-1,4-dihydro-3-methyl- 4-oxo-1-phenyl-indeno[1,2-C]pyrazole-5-sulfonamide, agricultural compositions containing them, and their herbicidal utility are disclosed.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: May 3, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert J. Pasteris, Ramaurthi Muthukrishnan
  • Patent number: 4569997
    Abstract: By reacting compounds of the formula ##STR1## with diisocyanates or triisocyanates of the formula R.sup.4 (NCO).sub.n at a low temperature, the corresponding 1-carbamyl compounds of the formula I ##STR2## in which n is 2 or 3 and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined in claim 1, are obtained. The compounds of the formula 1 are light stabilizers for organic materials, especially for varnishes.
    Type: Grant
    Filed: September 29, 1983
    Date of Patent: February 11, 1986
    Assignee: Ciba Geigy Corporation
    Inventor: Friedrich Karrer
  • Patent number: 4374966
    Abstract: A process for the manufacture of vinyl chloride polymers by polymerization of the monomer or monomer mixture in a reactor in which the internal walls, and the other parts on which polymer deposits can form, have a covering which contains a representative compound such as depicted by the formula ##STR1## extensive suppression of polymer crusts is thereby obtained.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: February 22, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Edgar Fischer, Johannes Brandrup, Jurgen Weinlich
  • Patent number: 4329456
    Abstract: The present invention relates to a process for the preparation of vat dyes of the formula ##STR1## in which A is a vattable radical, X is an acyl radical and Y' is a halogen atom, an amino group or an aryloxy group, which comprises acylating compounds of the formula ##STR2## in which A is as defined under formula (1) and Y is a halogen atom, with an acylating agent which contains the acyl radical X, and, if desired, subjecting the compounds of the formula (2), before or after acylation, to a condensation reaction with an amine or an aromatic hydroxy compound.
    Type: Grant
    Filed: May 15, 1980
    Date of Patent: May 11, 1982
    Assignee: Ciba-Geigy AG
    Inventor: Athanassios Tzikas