Plural Hetero Rings In The Nitrogen Containing Substituent Patents (Class 544/43)
  • Patent number: 10934293
    Abstract: The present invention discloses a new series of host materials for OLEDs based on fused benzimidazolobenzimidazoles and indolocarbazoles. These compounds may be useful for improving device EQE and lifetime.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 2, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Alexey Borisovich Dyatkin, Bin Ma
  • Patent number: 10135004
    Abstract: The present invention relates to organic light emitting elements, comprising thermally activated delayed fluorescence (TADF) emitters and/or hosts on basis of benzotriazoles, which have a sufficiently small energy gap between S1 and T1 (?EST) to enable up-conversion of the triplet exciton from T1 to S1. The organic light emitting elements show high electroluminescent efficiency.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: November 20, 2018
    Assignee: UDC IRELAND LIMITED
    Inventors: Junichi Tanabe, Christian Lennartz
  • Patent number: 9853224
    Abstract: The present invention relates to organic light emitting elements, comprising thermally activated delayed fluorescence (TADF) emitters and/or hosts on basis of benzotriazoles, which have a sufficiently small energy gap between S1 and T1 (?EST) to enable up-conversion of the triplet exciton from T1 to S1. The organic light emitting elements show high electroluminescent efficiency.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: December 26, 2017
    Assignee: UDC Ireland Limited
    Inventors: Junichi Tanabe, Christian Lennartz
  • Publication number: 20140142301
    Abstract: The organic EL material is represented by Formula (1): where X1 to X4 are each independently a nitrogen (N) atom or a carbon atom that is monovalently bonded to R1(C—R1), R1 is a hydrogen atom, a halogen atom, an aryl group having 6 to 18 carbon atoms, a hetero aryl group having 6 to 18 carbon atoms, or an alkyl group having 1-12 carbon atoms, R2 to R10 are each independently hydrogen, an aryl group having 6 to 30 carbon atoms, or hetero aryl group having 6 to 30 carbon atoms, and at least one of X1 to X4 is a nitrogen atom.
    Type: Application
    Filed: November 20, 2013
    Publication date: May 22, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hiroaki ITOI
  • Publication number: 20140124756
    Abstract: A compound having an indolocarbazole ring structure is represented by the following general formula (1), and is used as a material for forming a highly efficient and highly durable organic electroluminescent device. The compound features excellent hole injection/transport capability, has electron blocking power and is highly stable in the form of a thin film. wherein, A is a divalent aromatic hydrocarbon group or aromatic heterocyclic group, Ar1 to Ar4 are monovalent aromatic hydrocarbon groups or aromatic heterocyclic groups, and R1 to R9 are hydrogen atoms, deuterium atoms, fluorine atoms, chlorine atoms, cyano groups, nitro groups, alkyl groups, cycloalkyl groups, alkenyl groups, alkyloxy groups, cycloalkyloxy groups, aromatic hydrocarbon groups, aromatic heterocyclic groups or aryloxy groups.
    Type: Application
    Filed: February 14, 2012
    Publication date: May 8, 2014
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Norimasa Yokoyama, Makoto Nagaoka, Sawa Izumi, Hiroshi Ookuma, Shuichi Hayashi
  • Publication number: 20130296553
    Abstract: The present invention relates to the use of the vinyl quinuclidine enantiomer (R) of the following formula 2 as a synthesis intermediate in the preparation of (R)-mequitazine.
    Type: Application
    Filed: January 10, 2012
    Publication date: November 7, 2013
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, PIERRE FABRE MEDICAMENT
    Inventors: Marc Nicolas, Laurent Larquetoux, Sébastien Leroux, Eric Doris
  • Publication number: 20130026422
    Abstract: The present invention relates to a compound according to formula (I), to the use thereof in an electronic device and to an electronic device which comprises one or more compounds according to formula (I).
    Type: Application
    Filed: March 16, 2011
    Publication date: January 31, 2013
    Applicant: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Christof Pflumm
  • Publication number: 20120283432
    Abstract: Use of rylene derivatives I with the following definition of the variables: X together both —COOM; Y a radical -L-NR1R2??(y1) -L-Z—R3??(y2) the other radical hydrogen; together both hydrogen; R is optionally substituted (het)aryloxy, (het)arylthio; P is —NR1R2; B is alkylene; optionally substituted phenylene; combinations thereof; A is —COOM; —SO3M; —PO3M2; D is optionally substituted phenylene, naphthylene, pyridylene; M is hydrogen; alkali metal cation; [NR5]4+; L is a chemical bond; optionally indirectly bonded, optionally substituted (het)arylene radical; R1, R2 are optionally substituted (cyclo)alkyl, (het)aryl; together optionally substituted ring comprising the nitrogen atom; Z is —O—; —S—; R3 is optionally substituted alkyl, (het)aryl; R? is hydrogen; optionally substituted (cyclo)alkyl, (het)aryl; R5 is hydrogen; optionally substituted alkyl (het)aryl; m is 0, 1, 2; n, p m=0: 0, 2, 4 where: n+p=2, 4, if appropriate 0; m=1: 0, 2, 4 where: n+p=0, 2, 4; m=2: 0, 4, 6
    Type: Application
    Filed: February 27, 2012
    Publication date: November 8, 2012
    Applicants: MAX-PLANCK-GESEL. ZUR FOERDERUNG DER WISSEN. E.V., BASF SE
    Inventors: Neil Gregory PSCHIRER, Felix Eickemeyer, Jan Schöneboom, Jianqiang Qu, Martin Könemann, Klaus Müllen, Chen Li, Andreas Herrmann, Peter Erk, Gero Nordmann, Alfred Kuhn, Anders Hagfeldt, Tomas Edvinsson
  • Patent number: 8158784
    Abstract: The invention relates to a 1-aza-bicyclo[2.2.2]oct-2-en-3-ylmethyl acetate of the formula (I), wherein said compound is useful as a synthesis intermediate for the production of mequitazine.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: April 17, 2012
    Assignee: Pierre Fabre Medicament
    Inventors: Charles Mioskowski, Vanessa Gonnot, Rachid Baati, Marc Nicolas
  • Publication number: 20110037027
    Abstract: The present invention relates to fluorine derivatives and organic electronic devices in which said compounds are used as a matrix material in the emitting layer and/or as a hole transport material, and/or as an electron blocking or exciton blocking material, and/or as an electron transport material.
    Type: Application
    Filed: March 11, 2009
    Publication date: February 17, 2011
    Inventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pfumm, Anja Gerhard
  • Publication number: 20100267704
    Abstract: This invention pertains to a class of autophagy inducing compounds that treat diseases caused by misfolded protein aggregates and a screening method for identifying these compounds.
    Type: Application
    Filed: October 10, 2008
    Publication date: October 21, 2010
    Applicants: President an Fellows of Harvard Colege, Shangha Institute of Organic Chemistry Chineesse Academy of Sciences
    Inventors: Junying Yuan, Dawei Ma, Lihong Zhang
  • Publication number: 20100105897
    Abstract: The invention relates to a 1-aza-bicyclo[2.2.2]oct-2-en-3-ylmethyl acetate of the formula (I), wherein said compound is useful as a synthesis intermediate for the production of mequitazine.
    Type: Application
    Filed: January 17, 2008
    Publication date: April 29, 2010
    Applicant: Pierre Fabre Medicament
    Inventors: Charles Mioskowski, Vanessa Gonnot, Rachid Baati, Marc Nicolas
  • Publication number: 20090124001
    Abstract: The invention relates to compounds according to general formula (1) and/or their enantiomers, diastereomers as well as their pharmaceutically compatible salts, and to the use thereof for producing a medicament suited for treating diseases associated with misfolded proteins.
    Type: Application
    Filed: February 28, 2006
    Publication date: May 14, 2009
    Applicant: HEINRICH-HEINE UNIVERSITÄT DUSSELDORF
    Inventors: Carsten Korth, Ralf Klingenstein, Stefan Lober, Peter Gmeiner
  • 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: 20080318937
    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: August 22, 2008
    Publication date: December 25, 2008
    Inventors: Steven J. Coats, Scott L. Dax, Bart DeCorte, Li Liu, Mark McDonnell, James J. McNally
  • Patent number: 7414128
    Abstract: The present invention relates to crystalline R-guanidines of (2S)-2-Ethoxy-3-{4-[2-(10H-phenoxazin-10-yl)ethoxy]phenyl}propanoate, its preparations and its use as therapeutic agents. More specifically the present invention relates to crystalline Arginine (2S)-2-Ethoxy-3-{4-[2-(10H-phenoxazin-10-yl)ethoxy]phenyl}propanoate, preferably (L)-Arginine (2S)-2-Ethoxy-3-{4-[2-(10H-phenoxazin-10-yl)ethoxy]phenyl}propanoate, its preparation and its use as therapeutic agent.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: August 19, 2008
    Assignees: Dr. Reddy's Laboratories, Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Søren Ebdrup, Petra Christine Lugstein
  • Patent number: 6919351
    Abstract: Aza- and polyaza-naphthalenyl carboxamide derivatives including certain quinoline carboxamide and naphthyridine carboxamide derivatives are described as inhibitors of HIV integrase and inhibitors of HIV replication. These compounds are useful in the prevention or treatment of infection by HIV and the treatment of AIDS, as compounds or pharmaceutically acceptable salts, or as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of preventing, treating or delaying the onset of AIDS and methods of preventing or treating infection by HIV are also described.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: July 19, 2005
    Assignee: Merck & Co., Inc.
    Inventors: Neville J. Anthony, Robert P. Gomez, Steven D. Young, Melissa S. Egbertson, John S. Wai, Jennifer J. Bennett
  • Publication number: 20040138212
    Abstract: The present invention relates to 1,7 disubstituted guanines inhibitors possessing antitumor activity and to a process for preparing the same. Furthermore, these compounds are expected to enhance the efficacy of other chemotherapeutic agents, in the treatment of cancer.
    Type: Application
    Filed: March 15, 2004
    Publication date: July 15, 2004
    Inventors: Alberto Bargiotti, Antonella Ermoli, Maria Menichincheri, Ermes Vanotti, Luisella Bonomini, Antonella Fretta
  • Patent number: 6719926
    Abstract: A chromene compound which develops yellow to red color, a high color density and a little initial color and which, when used in combination with an existing photochromic compound that exhibits blue color so as to develop a neutral tint, maintains uniformity in the color tone at the time of developing color or fading color, or exhibits a very large color fading rate.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: April 13, 2004
    Assignee: Tokuyama Corporation
    Inventors: Junji Momoda, Shingo Matsuoka, Hironobu Nagou
  • Patent number: 6608194
    Abstract: A compound of Formula (Ih) The compounds may be used, inter alia, for preparing beta aryl-alpha-oxy substituted alkylcarboxylic acids.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: August 19, 2003
    Assignee: Dr. Reddy's Laboratories Limited
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Rao Bheema Paraselli, Ranga Madhavan Gurram
  • Patent number: 6583138
    Abstract: The invention provides a novel heterocyclic ring condensed benzothiazine compound which is effective for prevention or remedy of disease, in which histamine, leukotriene and the like participate. The heterocyclic ring condensed benzothiazine compound of the present invention or a pharmacologically acceptable salt thereof is effective for prevention or remedy of disease, in which a chemical mediator, such as histamine, leukotriene and the like, participate, for example, asthma, allergic coryza, atopic dermatitis, hives, hay fever, gastrointestinal allergy, food allergy and the like.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: June 24, 2003
    Assignee: Eisai Co., Ltd.
    Inventors: Mitsuaki Miyamoto, Tatsuya Yoshiuchi, Keizo Sato, Motohiro Soejima, Takashi Sato, Koichi Kikuchi, Hiroyuki Yoshimura, Katsuhiro Moriya, Yoshinori Sakuma, Shigeru Akasofu, Koji Yamada
  • Publication number: 20030105089
    Abstract: The invention provides compounds of Formula I: 1
    Type: Application
    Filed: September 4, 2002
    Publication date: June 5, 2003
    Inventors: Donn G. Wishka, Daniel Patrick Walker, Jeffrey W. Corbett, Steven Charles Reitz, Mark R. Rauckhorst, Vincent E. Groppi
  • Patent number: 6548666
    Abstract: A compound of Formula (Ig) The compounds may be used, inter alia, for preparing beta aryl-alpha-oxy substituted alkylcarboxylic acids.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: April 15, 2003
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Rao Bheema Paraselli, Ranga Madhavan Gurram
  • Patent number: 6525194
    Abstract: A chromene compound which develops yellow to red color, a high color density and a little initial color and which, when used in combination with an existing photochromic compound that exhibits blue color so as to develop a neutral tint, maintains uniformity in the color tone at the time of developing color or fading color, or exhibits a very large color fading rate.
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: February 25, 2003
    Assignee: Tokuyama Corporation
    Inventors: Junji Momoda, Shingo Matsuoka, Hironobu Nagou
  • Patent number: 6440961
    Abstract: A compound of formula (1) it derivatives, its analogs, its tautomeric forms, its stereoisomers, its polymorphs, its pharmaceutically acceptable salts, or its pharmaceutically acceptable solvates, processes for its preparation and methods of use thereof.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: August 27, 2002
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti
  • Patent number: 6433168
    Abstract: According to the method of the present invention, an alkali metal compound, dimethyl sulfoxide, trimethyloxosulfonium halide and 3-quinuclidinone are added in a specific order to give the following compound [II]. This compound is, without treatment or isolation, directly reacted with an alkali metal salt of phenothiazine to give the following compound [III], from which the following compound [I] is obtained. During the production of compound [I], a by-produced acidic gas is removed and water is added to ensure industrial, safe and efficient production of compound [I] at a constantly high yield. Inasmuch as the present invention enables production of the following highly pure compound [A] by eliminating hydrogen halide of compound [I] in glyme in the presence of at least one kind of a base selected from potassium hydroxide and potassium alkoxide, compound [A] having a high purity of not less than 85 mol % can be provided.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: August 13, 2002
    Assignee: Sumika Fine Chemicals Co., Ltd.
    Inventors: Shigeya Yamazaki, Hiroyuki Yumoto, Masami Igi
  • Patent number: 6159966
    Abstract: A compound of formula (I) ##STR1## its tautomeric forms, its stereoisomers, its polymorphs, its pharmaceutically acceptable salts or its pharmaceutically acceptable solvates, wherein R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are the same or different; R.sup.1 and R.sup.2 together represent along with carbon atoms to which they are attached an aromatic cyclic structure containing 5-6 ring atoms which may optionally be substituted; X represents a heteroatom selected from oxygen or sulfur; R.sup.7 represents hydrogen atom, hydroxy, alkoxy, halogen, lower alkyl group or optionally substituted aralkyl group or forms a bond together with R.sup.8 ; R.sup.8 represents hydrogen atom, hydroxy, alkoxy, halogen, lower alkyl group or optionally substituted aralkyl or R.sup.8 forms a bond together with R.sup.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: December 12, 2000
    Assignees: Reddy-Cheminor Inc., Dr. Reddy's Research Foundation
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Chennaveerappa Bajji, Shivaramayya Kalchar, Sekar Reddy Alla, Rajagopalan Ramanujam, Reeba Kannimel Vikramadithyan
  • Patent number: 6054453
    Abstract: Novel .beta.-aryl-.alpha.-oxysubstituted alkylcarboxylic acids of the formula (I) and compositions containing them. ##STR1## The compounds have hypolipidemic, antihyperglycemic uses.
    Type: Grant
    Filed: January 23, 1998
    Date of Patent: April 25, 2000
    Assignees: Redd's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Rajagopalan Ramanujam, Ranjan Chakrabarti
  • Patent number: 5238936
    Abstract: The compounds are trisubstituted triazines and pyrimidines useful for the suppressing the resistance of tumour cells to anti-cancer agents and for suppressing the resistance of parasites to anti-parasitic agents.A compound disclosed is 2,4-diallylamino-6-{4-[(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl) methylamino]piperidin-1-yl}-1,3,5-triazine.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: August 24, 1993
    Assignee: Adir et Compagnie
    Inventors: Gilbert Regnier, Alain Dhainaut, Ghanem Atassi, Alain Pierre, Stephane Leonce
  • Patent number: 4734411
    Abstract: Novel pyrrolizidine compounds represented by the formula ##STR1## wherein R is a radical of ##STR2## R.sup.1 is hydrogen, halogen, alkyl group, alkoxy group, alkanoyl group, trifluoromethyl radical, trimethylsilyl radical or ##STR3## R.sup.2 and R.sup.3 are same or different and are hydrogen or alkyl group, respectively, R.sup.4 is hydrogen, halogen, alkyl group or alkoxy group and m is an integer of 0 to 5,salts thereof, a process for the preparation of same as well as a pharmaceutical agent comprising same.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: March 29, 1988
    Assignee: Sanwa Kagaku Kenkyusho Co., Ltd.
    Inventors: Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Toshinao Usui, Ryoichi Unno, Hiromoto Kimura, Masato Fukushima, Mitsuru Oka, Shinichi Ikeda, Noboru Kuboyama, Takashi Ito, Seiji Miyano, Kunihiro Sumoto
  • Patent number: 4705854
    Abstract: The present invention relates to compounds of the formula (I): ##STR1## or a salt, ester or amide thereof; wherein R.sup.1 is a C.sub.1-7 bivalent aliphatic hydrocarbon group or a single bond;R.sub.2 and R.sub.3 are the same or different and are each hydrogen, C.sub.1-4 alkyl or taken together with the nitrogen comprise a nitrogen-containing heterocyclic ring having four to six ring members;R.sup.4 is hydrogen, halogen, C.sub.1-4 alkoxy, C.sub.1-4 alkyl optionally substituted by one to three halogen atoms; or a group R.sub.1 CO.sub.2 H as hereinbefore defined; andA is C.sub.1-4 alkylene or ANR.sub.2 R.sub.3 forms a group --CH.sub.2 --(CH.sub.2).sub.2 or CH.sub.2 --(CH.sub.2).sub.2B is an acidic group other than a mono-carboxylic acid group of comparable or greater acid strength than a carboxylic acid group in a similar chemical environment, provided that any sulphonamide group contains at least one N-H bond.
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: November 10, 1987
    Assignee: Burroughs Wellcome Co.
    Inventor: Harry J. Leighton
  • Patent number: 4668671
    Abstract: This invention describes tricyclic derivatives which are useful as histamine H.sub.1 -antagonists. A particular compound of this invention is 3-[3-(pyrido[3,2-b][1,4]-benzothiazin-10-yl)propylamino]-4-(pyrid-4-ylmeth ylamino)-1,2,5-thiadiazole-1-oxide.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: May 26, 1987
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Andrew D. Gribble, Robert J. Ife
  • Patent number: 4603132
    Abstract: Quarternized derivatives of mequitazine, particularly 3-(10-H-phenothiazine-methyl)-1-methyl-1-azoniabicyclo [2.2.2]-octane iodide, show powerful anti-bronchospastic activity if administered by inhalation.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: July 29, 1986
    Assignee: Laboratori Guidotti S.p.A.
    Inventor: Alessandro Subissi
  • Patent number: 4471116
    Abstract: Substituted (10H-phenothiazin-10-yl)propyl-1-piperazines of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, A, X, m, n and s are as hereinafter set forth,are described. The compounds of formula I, which contain a piperazine moiety combined by an ether linkage to different phenolic moieties, are useful as orally active long lasting antipsychotic agents.
    Type: Grant
    Filed: July 28, 1982
    Date of Patent: September 11, 1984
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Arnold B. Davidson, Robert W. Guthrie, Richard W. Kierstead, Albert Ziering
  • Patent number: 4451461
    Abstract: 10-[1-aza-(2,2,2)-bicyclo-3-octyl]-10H-2-phenothiazinesulfonamides of the formula: ##STR1## wherein R represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms are disclosed together with a process for their preparation. These compounds can be used as medicaments for the treatment of duodenal and gastric ulcers.
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: May 29, 1984
    Assignee: Pharmindustrie
    Inventors: Marie-Christine Dubroeucq, Jean E. M. A. Rataud
  • Patent number: 4435393
    Abstract: Compounds of the general formula: ##STR1## in which either X represents an atom of sulfur and Y represents the N-oxide group or X represents the sulfinyl group or the sulfonyl group and Y represents an atom of nitrogen or the N-oxide group and their salts of addition with mineral or organic acids, their process of preparation and their use as a medicament for the treatment of gastric and duodenal ulcers.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: March 6, 1984
    Assignee: Pharmindustrie
    Inventors: Marie-Christine Dubroeucq, Jean E. M. A. Rataud
  • Patent number: 4366154
    Abstract: Tropyl derivatives of the formula: ##STR1## in which R.sup.1 is (a) phenyl linked through a direct bond, --O--, ##STR2## (in which m=2 or 3); (b) diphenylmethyl; or (c) 10H-phenothiazin-10-yl; (each of which type may be substituted, or unsubstituted); R.sup.2 is --H, --OH, or --O Si (CH.sub.3).sub.3 ; and R.sup.3 is substituted or unsubstituted phenyl, e.g. 4-[3-(4-fluorobenzoyl)-8-azabicyclo [3.2.1]oct-8-yl]-1-(-4-fluorophenyl)-1-butanone, in free base form or pharmaceutically acceptable acid addition salts are useful as pharmaceuticals.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: December 28, 1982
    Assignee: Sandoz, Inc.
    Inventor: John C. Tomesch
  • Patent number: 4183926
    Abstract: New phenothiazine derivatives having pharmaceutical activity are disclosed. The compounds are of particular interest because of their neuroleptic activity. The compounds are suitably prepared by reacting an N-substituted phenothiazine with an O,O'-isopropylidenyl-2-methyl-3-hydroxy-4-hydroxymethyl-5-(N-piperazinylme thyl)-pyridine.
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: January 15, 1980
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu