Chalcogen Attached Indirectly To The Hetero Ring By Nonionic Bonding Patents (Class 549/75)
  • Publication number: 20110059999
    Abstract: The invention relates to compounds which have an affinity for the ? opioid receptor and the ORL1 receptor, processes for the preparation thereof, medicaments containing these compounds and the use of these compounds for the preparation of medicaments.
    Type: Application
    Filed: September 22, 2010
    Publication date: March 10, 2011
    Applicant: GRÜNENTHAL GMBH
    Inventors: Sven Frormann, Saskia Zemolka, Klaus Linz, Werner Englberger, Fritz Theil
  • Patent number: 7902401
    Abstract: Compounds of Formula I are useful in the treatment of epilepsy, neuropathic pain, acute and chronic inflammatory pain, migraine, tardive dyskinesia and other related CNS disorders. wherein: A and R1 to R8 are defined in the specification.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: March 8, 2011
    Assignee: NPS Pharmaceuticals, Inc.
    Inventors: Guy A. Higgins, Methvin Issac, Abdelmalik Slassi, Tao Xin
  • Publication number: 20110015396
    Abstract: Disclosed herein is a class of tunable phenylacetylene compounds as well as compositions and methods for their use as host compounds for ligand binding. In certain examples the hosts report binding events by exhibiting altered spectroscopic properties, such as different fluorescent emission spectra.
    Type: Application
    Filed: September 28, 2010
    Publication date: January 20, 2011
    Applicant: The State of Oregon on behalf of the University of Oregon
    Inventors: Michael M. HALEY, Darren W. JOHNSON, Orion B. BERRYMAN, Charles A. JOHNSON, Calden N. STIMPSON
  • Publication number: 20110004007
    Abstract: A process is disclosed for the preparation of a compound of formula and/or an addition salt of a proton acid, wherein R1 and R2 independently represent alkyl, cycloalkyl, aryl or aralkyl, each aryl or aralkyl being optionally further substituted with alkyl, alkoxy and/or halogen. The process involves reacting a mixture comprising a methyl ketone of formula and a compound of formula H2N—R2 (V) and/or an addition salt of proton acid, and formaldehyde in the presence of a solvent selected from the group consisting of water, aliphatic alcohols, cycloaliphatic alcohols and mixtures thereof, and optionally a proton acid to afford a ?-amino ketone of formula and/or an addition salt of a proton acid, and reducing the carbonyl group of said ?-amino ketone to afford a compound of formula I, and/or an addition salt of a proton acid wherein the first step is carried out at a pressure above 1.5 bar.
    Type: Application
    Filed: August 25, 2010
    Publication date: January 6, 2011
    Applicant: LONZA AG
    Inventor: Dominique Michel
  • Publication number: 20110003827
    Abstract: A compound of the formula is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Application
    Filed: December 10, 2004
    Publication date: January 6, 2011
    Inventors: Charles A. Flentge, Hui-Ju Chen, David A. DeGoey, William J. Flosi, David J. Grampovnik, Peggy P. Huang, Dale J. Kempf, Larry L. Klein, Allan C. Krueger, Darold L. Madigan, John T. Randolph, Minghua Sun, Ming C. Yeung, Chen Zhao
  • Publication number: 20100331388
    Abstract: Crystalline duloxetine hydrochloride, compositions containing the same and methods for the production thereof.
    Type: Application
    Filed: September 10, 2010
    Publication date: December 30, 2010
    Applicants: CHONGQING SHENGHUAXI PHARMACEUTICALS CO. LTD, ARROW INTERNATIONAL LIMITED
    Inventors: Wei Ping Jiang, Chun Rong Jia
  • Publication number: 20100327264
    Abstract: In OLEDs, improved efficiency is obtained by novel compounds which can form inter alia electron injection layers of the formula (I) wherein R1 is a 1-5 ring aryl (including polycyclic), aralkyl or heteroaryl group which is optionally substituted with one or more C1-C4 alkyl, alkoxy or cyano; R2 and R3 together form a 1-5 ring aryl (including polycyclic), aralkyl or heteroaryl group which is optionally substituted with C1-C4 alkyl, alkoxy or cyano; R4 is hydrogen, C1-C4 alkyl or aryl; and Ar is monocyclic, bicyclic or tricyclic aryl or heteroaryl which is optionally substituted with one or more C1-C4-alkyl or alkoxy groups, or an oligomer thereof.
    Type: Application
    Filed: December 19, 2007
    Publication date: December 30, 2010
    Applicant: MERCK PATNET GMBH
    Inventors: Poopathy Kathirgamanathan, Yun Fu Chan
  • Publication number: 20100311806
    Abstract: The present invention relates to a novel polymorphic form of Rotigotine characterized by at least one of the following X-ray powder diffraction peaks: 12.04, 13.68, 17.72 and 19.01±0.2 (°2?), measured with a Cu—K?irradiation (1.54060), and a process for production thereof, which is useful for the manufacture of a stable medicament for treating or alleviating symptoms of Parkinson's Disease and other dopamine-related disorders.
    Type: Application
    Filed: November 25, 2008
    Publication date: December 9, 2010
    Applicant: UCB PHARMA GMBH
    Inventors: Hans-Michael Wolff, Luc Quere, Jens Riedner
  • Patent number: 7842717
    Abstract: (S)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine maleate (DNT-maleate) and polymorphs of DNT-maleate, compositions of DNT-maleate and its polymorphs, processes for the preparation of DNT-maleate and its polymorphs, and processes for the preparation of duloxetine hydrochloride from DNT-maleate are provided.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: November 30, 2010
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Santiago Ini, Anita Liberman, Mili Abramov, Tamas Koltai
  • Publication number: 20100286412
    Abstract: The invention relates to an improved process for the preparation of duloxetine, duloxetine intermediates, and duloxetine hydrochloride.
    Type: Application
    Filed: April 16, 2010
    Publication date: November 11, 2010
    Inventor: Stephen Benedict David Winter
  • Patent number: 7829731
    Abstract: The present invention provides a methylhydroxylaminopropanol derivative and the methylhydroxylaminopropanol derivative of the present invention is used as an intermediate for preparation of 3-methylamino-1-(2-thienyl)propan-1-ol, which is an intermediate for preparation of (+)-(S)—N-methyl-3-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine oxalate. The present invention also provides a process for preparing 3-methylamino-1-(2-thienyl)propan-1-ol with higher yield and lower cost, wherein the methylhydroxylaminopropanol derivative is used as an intermediate.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: November 9, 2010
    Assignee: SCI Pharmtech, Inc.
    Inventors: Bo-Fong Chen, Jinun-Ban Yeh, Weichyun Wong
  • Publication number: 20100280093
    Abstract: The present invention relates to duloxetine salts having enantiomeric purity of 98% or more and a process for such salts.
    Type: Application
    Filed: July 3, 2007
    Publication date: November 4, 2010
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sujoy Biswas, Keya Karanjai, Chandra Has Khanduri
  • Publication number: 20100267968
    Abstract: The present invention relates to an improved process for the preparation of Duloxetine and its intermediates (S)-(+)-N,N-dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine by reacting (S)-(+)-N,N-dimethyl-3-(2-thienyl)-3-hydroxypropanamine with 1-fluoronaphthalene in the presence of a base; wherein the improvement lies in conducting the reaction in the absence of solvent.
    Type: Application
    Filed: December 26, 2008
    Publication date: October 21, 2010
    Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LIMITED
    Inventors: Mahender Rao Siripragada, Arulmoli Thangavel, Muthulingham Arunagiri, Prasadachari Yarroju, Kiranmye Tayyala
  • Publication number: 20100261775
    Abstract: The present invention relates to Form I of duloxetine hydrochloride and its preparation.
    Type: Application
    Filed: July 3, 2007
    Publication date: October 14, 2010
    Inventors: Sujoy Biswas, Keya Karanjai
  • Publication number: 20100240729
    Abstract: There is provided a compound having an excellent controlling effect on pests, represented by the formula (I): wherein, A and E independently represent a —R1 group, a -L1-R1 group, etc.; G represents a -L2-R1 group, a —S(O)2—R4 group, etc.; X represents a —S—R5 group or a —O—R6 group; Z represents an optionally substituted carbocyclic group or an optionally substituted heterocyclic group; R1 represents an optionally substituted C1-C20 chain hydrocarbon group, etc.; R5 represents a substituted C1-C4 alkyl group, an optionally substituted C5-C10 alkyl group, etc.; R6 represents a substituted C1-C2 alkyl group, an optionally substituted C3-C10 alkyl group, etc.; L1 represents a an oxygen atom, a sulfur atom, a —S(O)— group, or a —S(O)2-group; and L2 represents an oxygen atom or a sulfur atom.
    Type: Application
    Filed: November 14, 2008
    Publication date: September 23, 2010
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Shigeyuki Itoh, Tomohiro Araki
  • Publication number: 20100234620
    Abstract: The present invention provides a process for preparing a N-methyl-N-hydroxyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine compound. The present invention also provides a process for preparing (S)-(+)-N-methyl-3-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine with higher yield and low treatment cost, which includes the preparation of the N-methyl-N-hydroxyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine compound.
    Type: Application
    Filed: March 5, 2010
    Publication date: September 16, 2010
    Inventors: Bo-Fong Chen, Jinun-Ban Yeh, Wei-Chyun Wong
  • Publication number: 20100234619
    Abstract: The present invention provides a (S)-methylhydroxylaminopropanol derivative as an intermediate for preparation of (S)-(+)-N-methyl-3-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine. The present invention also provides a process for preparing (S)-(+)-N-methyl-3-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine with higher yield and lower cost, wherein the (S)-methylhydroxylaminopropanol derivative is used as an intermediate.
    Type: Application
    Filed: March 12, 2009
    Publication date: September 16, 2010
    Inventors: Bo-Fong Chen, Jinun-Ban Yeh, Wei-Chyun Wong
  • Patent number: 7790758
    Abstract: This invention relates to potentiation of the glutamate receptor by novel compounds of formula (I): The invention also relates to the use of the derivatives in treating diseases and conditions mediated by potentiation of the glutamate receptor, compositions containing the derivatives and processes for their preparation.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: September 7, 2010
    Assignee: Glaxo Group Limited
    Inventors: Daniele Andreotti, Luca Arista, Francesca Cardullo, Simone Spada, Kevin Michael Thewlis, Simon Edward Ward
  • Publication number: 20100222602
    Abstract: An isolated and pure crystalline rotigotine base of polymorph Form I, and processes for producing the crystalline rotigotine base are disclosed. Also disclosed is a transdermal patch for the delivery of rotigotine base using the disclosed isolated and pure form of rotigotine base, which can be used in treatment of Parkinson's Disease and other disorders ameliorated or treated by rotigotine, including restless leg syndrome.
    Type: Application
    Filed: May 28, 2008
    Publication date: September 2, 2010
    Applicant: CHEMAGIS LTD.
    Inventors: Sonia Krivonos, Alex Weisman
  • Publication number: 20100209498
    Abstract: The present invention relates to pharmaceutical compositions of duloxetine or pharmaceutically acceptable salts thereof, and processes for their preparation.
    Type: Application
    Filed: April 19, 2008
    Publication date: August 19, 2010
    Inventors: Girish Kumar Jain, Chandrashekhar Kandi, Vishwanath Nande
  • Publication number: 20100204470
    Abstract: The present invention provides a new method for preparation and crystallization of hydrochlorides, hydrobromides or hydroiodides of pharmaceutical compounds or their intermediates in which the base or its acid addition salt is reacted in a solvent with a Trialkylsilylhalogenide.
    Type: Application
    Filed: June 25, 2007
    Publication date: August 12, 2010
    Inventors: Josef Wieser, Hannes Lengauer, Elfriede Klingler, Arthur Pichler, Hubert Sturm
  • Patent number: 7759501
    Abstract: The present invention provides a process for producing an N-monoalkyl-3-hydroxy-3-(2-thienyl)propanamine represented by General Formula (2): wherein R is C1-4 alkyl, comprising the step of reducing (Z)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by General Formula (1): wherein R is as defined above. According to the present invention, an N-monoalkyl-3-hydroxy-3-(2-thienyl)propanamine which is for use as an intermediate for various pharmaceuticals can be produced in an industrially inexpensive and easy manner.
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: July 20, 2010
    Assignee: Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Kenji Kogami, Noriyuki Hayashizaka, Syuzo Satake, Ichiro Fuseya, Hirokazu Kagano
  • Patent number: 7709662
    Abstract: A method of preparation of (S)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine of formula (I) or its pharmaceutically acceptable salt, in which (RS)-N,N-dimethyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine of formula (III) is reacted with an optically active acid, after which a crystallization is made of that diastereoisomer which yields, by reaction with an inorganic or organic base, (S)-N,N-dimethyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine of formula (S)-III, which is then demethylated using alkylchloroformates, followed by a hydrolysis and optional conversion of the compound of formula (I) to its salt.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: May 4, 2010
    Assignee: Zentiva k.s.
    Inventors: Ludek Ridvan, Petr Hruby, Lukas Placek, Miroslav Kuchar
  • Publication number: 20100105925
    Abstract: An improved process for synthesis of duloxetine hydrochloride (1) having chiral purity greater than 99.
    Type: Application
    Filed: March 5, 2008
    Publication date: April 29, 2010
    Applicant: LUPIN LIMITED
    Inventors: Rajinder Singh Siyan, Sunil Kumar Vinubhai Gohel, Girij Pal Singh
  • Publication number: 20100069649
    Abstract: A method of purification of (5)-7V-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine hydrochloride of formula I, comprising (a) transformation of the substance of formula I to its free base by the action of an organic or inorganic base in an aqueous environment; and (b) transformation of the base of the substance of formula I to crystalline hydrochloride by the action of hydrochloric acid or gaseous HCl in an organic solvent or a mixture of organic solvents. A method of purification of (S)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine hydrochloride of formula I, comprising dissolution of this substance in a minimum quantity of methanol containing 0 to 50% of water and its transformation back to the solid phase (precipitation) by addition of a less polar solvent.
    Type: Application
    Filed: December 5, 2007
    Publication date: March 18, 2010
    Inventors: Ludek Ridvan, Josef Cinibulk, Monika Zatopkova, Lukas Placek
  • Patent number: 7648738
    Abstract: Compounds of the formulae (I), (II), (III) and (IV), wherein Ch1 is e.g. the formula (V) or (VI); Ch2 is the formula (VII) or (VIII); Het1 is for example furyl, thienyl, pyrrolyl, pyridyl, benzothienyl, quinolyl or bithienyl; each of which is optionally substituted; Het2 and Het2? e.g. are furylene, thienylene, pyrrolylene, benzothienylene, quinolylene, furylenecarbonyl, thienylenecarbonyl, benzothienylenecarbonyl or bithienylenecarbonyl; each of which is optionally substituted; A1, and Ar1? i.a. are phenyl, naphthyl, benzoyl or naphthoyl, each of which is optionally substituted; Ar2 is for example phenylene, optionally substituted; M i.a. is C1-C20alkylene; R1 is for example C1-C12alkyl or phenyl; R2 and R2? for example are hydrogen or C1-C20 alkyl; exhibit an unexpectedly good performance in photopolymerization reactions.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: January 19, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Junichi Tanabe, Hisatoshi Kura, Hidetaka Oka, Masaki Ohwa
  • Publication number: 20100004297
    Abstract: The invention is concerned with novel hexafluoroisopropanol derivatives of formula (I) wherein R1 to R6, m and n are as defined in the description and in the claims, as well as physiologically acceptable salts and esters thereof. These compounds bind to LXR alpha and LXR beta and can be used as medicaments.
    Type: Application
    Filed: September 10, 2009
    Publication date: January 7, 2010
    Inventors: Henrietta Dehmlow, Bernd Kuhn, Raffaello Masciadri, Narendra Panday, Hasane Ratni, Matthew Blake Wright
  • Patent number: 7638514
    Abstract: There are described compounds of formula (I) wherein X1 and X2 are each independently of the other fluorine, chlorine or bromine; A1 and A2 are, for example, a bond or a C1-C6alkylene bridge; A3 is a C1-C6alkylene bridge; R1 and R2 are, for example, halogen, OH, SH, CN, nitro, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkyl-carbonyl, C2-C6alkenyl, C2-C6haloalkenyl or C3-C6alkynyl; R,3 is, for example, H, halogen, OH, SH, CN, nitro, C1-C6alkyl or C1-C6haloalkyl; R4 and R5 are, for example, H, halogen, cyano, nitro, C1-C6alkyl or C1-C3haloalkyl; m is 1 or 2; Y is, for example, O, S, SO or SO2; Q is, for example, O, S, SO or SO2; W is, for example, a bond, O, S, SO, S02, —C(?O)—O— or —O—C(?O)—; T is, for example, a bond, O, S, SO, SO2, —C(?O)—O— or —O—C(?O)—; and E is aryl unsubstituted or substituted from one to five times or heterocyclyl unsubstituted or, depending upon the possibilities of substitution on the ring, substituted from one to four times; and, where applicable, their possible E/Z isomers, E/Z isomeric mixt
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: December 29, 2009
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Werner Zambach, Stephan Trah, Roger Graham Hall, William Lutz
  • Patent number: 7618969
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt, solvate or prodrug thereof, are disclosed: wherein R1 is C1-6alkyl, haloC1-6alkyl, C2-6alkenyl, amino, monoC1-4alkylamino or diC1-4alkylamino; R2 and R3, which may be the same or different, are hydrogen, halogen, C1-6alkyl, haloC1-6alkyl, C1-4alkoxy, haloC1-4alkoxy, cyano, amino, monoC1-4alkylamino or diC1-4alkylamino; each R4, which may be the same or different, is C1-6alkyl, halogen, C1-6alkyl, haloC1-6alkyl, C1-4alkoxy, haloC1-4alkoxy, cyano, nitro, amino, monoC1-4alkylamino or diC1-4alkylamino; p is 0, 1 or 2; n is 1 or 2; R5 and R6, which may be the same or different, are hydrogen, halogen, C1-6alkyl, haloC1-6alkyl, C1-4alkoxy, haloC1-4alkoxy, cyano, amino, monoC1-4alkylamino or diC1-4alkylamino; and Het is thienyl, pyridyl, pyrimidinyl, pyridazinyl, pyrimidinyl, pyrazinyl, imidazolyl, pyrazolyl, pyrrolyl, quinolyl, thiazolyl or furyl, each of which may be substituted by one or more groups independently selected from the list consisting
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: November 17, 2009
    Assignee: Glaxo Group Limited
    Inventors: Daniel Marcus Bradley, Kevin Michael Thewlis, Simon Edward Ward
  • Publication number: 20090253656
    Abstract: The present invention is directed to a breast cancer resistance protein (BCRP/ABCG2) inhibitor. The BCRP inhibitor contains, as an active ingredient, an acrylonitrile derivative represented by formula (1): wherein one of R1 and R2 represents a cyano group and the other represents a hydrogen atom; Ar1 represents a group selected from among the groups represented by formulas (2) to (4): and Ar2 represents an aromatic hydrocarbon group having a condensed ring which may be substituted by a halogen atom, or a group selected from among the groups represented by the following formulas (5) to (15): or a salt thereof.
    Type: Application
    Filed: March 29, 2006
    Publication date: October 8, 2009
    Applicant: Kabushiki Kaisha Yakult Honsha
    Inventors: Ryuta Yamazaki, Yukiko Nishiyama, Tomio Furuta, Takeshi Matsuzaki, Hiroshi Hatano, Oh Yoshida, Masato Nagaoka, Ritsuo Aiyama, Shusuke Hashimoto, Yoshikazu Sugimoto
  • Patent number: 7598423
    Abstract: This application relates to a substituted hydroxyphenyl ketone compound of formula I, or a pharmaceutically acceptable salt thereof, a pharmaceutical composition thereof and its use in treating migraine. This application also relates to processes for preparing a compound of formula I, and intermediate compounds useful therein.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: October 6, 2009
    Assignee: Eli Lilly and Company
    Inventors: Thomas Daniel Aicher, Guillermo S. Cortez, Todd Michael Groendyke, Albert Khilevich, James Allen Knobelsdorf, Fredrik Pehr Marmsater, Jeffrey Michael Schkeryantz, Tony Pisal Tang, Nicholas Andrew Magnus
  • Publication number: 20090239829
    Abstract: There are described compounds having the general formula (I) below and their pharmaceutically acceptable salts thereof, wherein E, X, m, q, R1, R2, n and ZBG have the meanings reported in the description useful, in therapy, as inhibitors of zinc metalloproteinases.
    Type: Application
    Filed: July 25, 2007
    Publication date: September 24, 2009
    Applicant: BRACCO IMAGING SPA
    Inventors: Armando Rossello, Elisabetta Orlandini, Aldo Balsamo, Laura Panelli, Elisa Nuti
  • Patent number: 7589120
    Abstract: The invention relates to compounds of formula (I): Wherein X, R1, R2, R3 and R4 are as described herein. The invention also relates to a method for preparing the aforementioned compounds and to their therapeutic application.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: September 15, 2009
    Assignee: Sanofi-Aventis
    Inventors: Francis Barth, Christian Congy, Jean-Philippe Ducoux, Murielle Rinaldi-Carmona
  • Publication number: 20090209617
    Abstract: The subject of the present invention is the provision of new salts of duloxetine of the Formula (I) with organic acids, process for their preparation and medicinal products containing thereof. The new salts are essentially free from the impurity of the Formula (II) and possess high purity and high stability. The new duloxetine salts are prepared by reacting duloxetine free base dissolved in an organic solvent with an approximately equimolar amount of an organic acid. Particularly advantageous crystalline salts are those formed with fumaric acid, citric acid or (?)-mandelic acid.
    Type: Application
    Filed: March 13, 2007
    Publication date: August 20, 2009
    Inventors: Tibor Mezei, Gyula Simig, Eniko Molnar, Miklos Szabo, Gyula Lukacs, Marta Porcs-Makkay, Erika Szilagyi, Tibor Bako
  • Publication number: 20090202647
    Abstract: Disclosed herein are solid state forms, amorphous and crystalline forms, of racemic rotigotine having high purity, adequate stability, good flowability and good dissolution properties, a process for preparation, and pharmaceutical compositions comprising amorphous racemic rotigotine.
    Type: Application
    Filed: February 11, 2009
    Publication date: August 13, 2009
    Inventors: Mayur Devjibhai Khunt, Nilesh Sudhir Patil, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20090182156
    Abstract: The invention relates to an improved process for the preparation of duloxetine hydrochloride. More particularly, the invention relates to a process for the enantiomeric enrichment of duloxetine, and to a process for increasing the enantiomeric excess of enantiomerically-enriched duloxetine and salts thereof.
    Type: Application
    Filed: December 12, 2006
    Publication date: July 16, 2009
    Inventor: Stephen Benedict David Winter
  • Patent number: 7553978
    Abstract: The invention relates to a process for the preparation of duloxetine (1a), comprising the reaction between 1-fluoronaphthalene and 3-N,N-dimethylamino-1-(2-thienyl)-propan-1-ol in the presence of 1,3-dimethyl-2-oxo-hexahydropyrimidine (DMPU) as the solvent; a method for the identification of duloxetine enantiomers and for the determination of its optical purity is also disclosed.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: June 30, 2009
    Assignee: Solmag S.p.A.
    Inventors: Samuele Frigoli, Claudio Fuganti, Roberta Pizzocaro
  • Publication number: 20090143600
    Abstract: A method of preparation of (S)—N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine of formula (I) or its pharmaceutically acceptable salt, in which (RS)—N,N-dimethyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine of formula (III) is reacted with an optically active acid, after which a crystallization is made of that diastereoisomer which yields, by reaction with an inorganic or organic base, (S)—N,N-dimethyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine of formula (S)-III, which is then demethylated using alkylchloroformates, followed by a hydrolysis and optional conversion of the compound of formula (I) to its salt.
    Type: Application
    Filed: October 21, 2005
    Publication date: June 4, 2009
    Applicant: ZENTIVA, A.S.
    Inventors: Ludek Ridvan, Petr Hruby, Lukas Placek, Miroslav Kuchar
  • Patent number: 7538232
    Abstract: This invention provides an improved asymmetric process for the synthesis of duloxetine involving arylation of Compounds of Formula I.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: May 26, 2009
    Assignee: Eli Lilly and Company
    Inventors: Mark Anthony Butchko, Alain Merschaert, Kenneth Philip Moder
  • Patent number: 7534900
    Abstract: Process for the purification of duloxetine HCl is provided.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: May 19, 2009
    Assignee: Teva Pharmaceutical Industries Ltd
    Inventors: Santiago Ini, Mili Abramov, Anita Liberman
  • Publication number: 20090112001
    Abstract: The present invention provides an (S)-methylhydroxylaminopropanol derivative and the (S)-methylhydroxylaminopropanol derivative of the present invention is used as an intermediate for preparation of (S)-(?)-3-methylamino-1-(2-thienyl)propan-1-ol, which is an intermediate for preparation of (S)-(+)-N-methyl-3-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine oxalate. The present invention also provides a process for preparing (S)-(?)-3-methylamino-1-(2-thienyl)propan-1-ol with higher yield and lower cost, wherein the (S)-methylhydroxylaminopropanol derivative is used as an intermediate.
    Type: Application
    Filed: May 15, 2008
    Publication date: April 30, 2009
    Applicant: SCI Pharmtech, Inc.
    Inventors: Bo-Fong CHEN, Jinun-Ban YEH, Weichyun WONG
  • Publication number: 20090112000
    Abstract: The present invention provides a methylhydroxylaminopropanol derivative and the methylhydroxylaminopropanol derivative of the present invention is used as an intermediate for preparation of 3-methylamino-1-(2-thienyl)propan-1-ol, which is an intermediate for preparation of (+)-(S)—N-methyl-3-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine oxalate. The present invention also provides a process for preparing 3-methylamino-1-(2-thienyl)propan-1-ol with higher yield and lower cost, wherein the methylhydroxylaminopropanol derivative is used as an intermediate.
    Type: Application
    Filed: October 29, 2007
    Publication date: April 30, 2009
    Applicant: SCI Pharmtech, Inc.
    Inventors: Bo-Fong Chen, Jinun-Ban Yeh, Weichyun Wong
  • Publication number: 20090105315
    Abstract: Compounds that have agonist activity at one or more of the S1P receptors are provided. The compounds are sphingosine analogs that, after phosphorylation, can behave as agonists at S1P receptors.
    Type: Application
    Filed: August 21, 2008
    Publication date: April 23, 2009
    Inventors: Kevin R. Lynch, Timothy L. Macdonald
  • Publication number: 20090093645
    Abstract: The invention relates to an improved process for the preparation of duloxetine hydrochloride.
    Type: Application
    Filed: December 12, 2006
    Publication date: April 9, 2009
    Applicant: Medichem S.A.
    Inventor: Stephen Benedict David Winter
  • Publication number: 20090088459
    Abstract: The invention is concerned with novel biaryl sulfonamide derivatives of formula (I) wherein R1 to R3 and Y are as defined in the description and in the claims, as well as physiologically acceptable salts and esters thereof. These compounds bind to LXR alpha and LXR beta and can be used as medicaments.
    Type: Application
    Filed: September 17, 2008
    Publication date: April 2, 2009
    Inventors: Henrietta Dehmlow, Ulrike Obst Sander, Tanja Schulz-Gasch, Matthew Wright
  • Publication number: 20090082580
    Abstract: In one aspect, the present invention provides a novel thiophene-containing polynitrone compound having structure (II) wherein R1 is independently at each occurrence a C1-C20 aliphatic radical, a C3-C20 cycloaliphatic radical, or a C2-C30 aromatic radical; R2 is independently at each occurrence hydrogen, deuterium, a C1-C20 aliphatic radical, a C3-C20 cycloaliphatic radical, or a C2-C30 aromatic radical; and “a” is an integer from 2 to 4.
    Type: Application
    Filed: September 28, 2007
    Publication date: March 26, 2009
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Christoph Georg Erben, Michael Jeffrey Mclaughlin, Kathryn Lynn Longley, Shantaram Narayan Naik, Mahesh Kisan Chaudhari, Jyoti Balkrishna Shet, Varadarajan Sundararaman, Yogendrasinh Bharatsinh Chauhan
  • Patent number: 7498448
    Abstract: The present invention relates to enzymic and nonenzymic processes for preparing 3-methylamino-1-(thien-2-yl)propan-1-ol; as well as to enzymes for implementing these processes; and to nucleic acid sequences encoding these enzymes, to expression cassettes containing these nucleic acid sequences, to vectors and to recombinant hosts.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: March 3, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Stürmer, Maria Keβeler, Bernhard Hauer, Thomas Friedrich, Michael Breuer
  • Patent number: 7495023
    Abstract: The present invention relates to thio semicarbazone and semicarbazone inhibitors of cysteine proteases and methods of using such compounds to prevent and treat protozoan infections such as trypanosomiasis, malaria and leishmaniasis. The compounds also find use in inhibiting cysteine proteases associated with carcinogenesis, including cathepsins B and L.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: February 24, 2009
    Assignee: The Regents of the University of California
    Inventors: Fred E. Cohen, Xiaohui Du, Chun Guo, James H. McKerrow
  • Patent number: 7488833
    Abstract: A process for the enantioselective preparation of amino alcohols of formula I by enantioselective hydrogenation of amino ketones of the formula II in the presence of a non-racemic catalyst. The catalyst is a transition-metal complex in which the transition metal is complexed to a chiral diphosphine ligand.
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: February 10, 2009
    Assignee: Merck Patent GmbH
    Inventors: Joachim Kralik, Kai Fabian, Christoph Mürmann, Norbert Schweickert
  • Publication number: 20090012316
    Abstract: DNT-Oxal crystalline forms and processes for making DNT-Oxal crystalline forms are provided.
    Type: Application
    Filed: June 16, 2008
    Publication date: January 8, 2009
    Inventors: Santiago Ini, Anita Liberman, Tamas Koltai