Having -c(=x)-, Wherein X Is Chalcogen Attached Directly Or Indirectly To The Purine Ring System By Nonionic Bonding Or Halogen Bonded Directly At 8-position (e.g., Theophylline Acetate, 8-chlorotheophylline, Etc.) Patents (Class 544/271)
  • Patent number: 9163024
    Abstract: The present invention relates to a tris salt of 8-chloro-3-pentyl-3,7-dihydro-1H-purine-2,6-dione of Formula (A) or a pharmaceutically acceptable salt thereof: corresponding pharmaceutical formulations, manufacture processes and uses of the aforementioned compound in therapy, particularly in treatment of diseases where under-activation of the HM74A receptor contributes to the disease or where activation of the receptor will be beneficial.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: October 20, 2015
    Assignee: GlaxoSmithKline LLC
    Inventors: Holly Esken, Beth Adams Norton
  • Patent number: 9133196
    Abstract: The present invention relates to an improved process for preparing Acebrophylline comprising preparing a reaction mixture of theophylline-7-acetate and ambroxol base in a non-polar solvent; heating said reaction mixture at a suitable temperature; and isolating Acebrophylline by filtration. The yield of Acebrophylline is between 95-98% with a purity of 99%.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: September 15, 2015
    Assignee: AMI LIFESCIENCES PVT. LTD.
    Inventors: Kalpesh Ravajibhai Patel, Virendra Haridasbhai Thakrar, Dipti Kishorbhai Dodiya, Sharad Kanabhai Solanki, Kinchit Jitendrakumar Shah
  • Patent number: 9035050
    Abstract: This invention relates to novel deuterated compounds that are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. In particular, this invention relates to novel substituted xanthine derivatives that are deuterated derivatives of a pentoxifylline metabolite. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed deuterated compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial. The compounds of the invention are represented by the following structural formula: wherein the values of R1, R2, R3, R4, R5, Y1 and Y2 are described herein.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: May 19, 2015
    Assignee: Concert Pharmaceuticals, Inc.
    Inventors: Roger D. Tung, Julie F. Liu, Scott L. Harbeson
  • Publication number: 20150133407
    Abstract: The invention relates to the compounds of formula I or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I, and methods for the treatment of respiratory disorders may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection. Such compositions may be used to treatment of viscid or excessive mucus, cough, inflammation, redness in sore throat, infection in the throat, sore throat, abnormal mucus secretion, impaired mucus transport, allergic rhinitis, asthma, COPD, respiratory muscular disorders and pain in acute sore throat.
    Type: Application
    Filed: May 14, 2013
    Publication date: May 14, 2015
    Inventor: Mahesh Kandula
  • Publication number: 20150087660
    Abstract: The invention relates to the compounds of formula I or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I, and methods for the treatment of chronic diseases and inflammatory disorders may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection.
    Type: Application
    Filed: February 27, 2013
    Publication date: March 26, 2015
    Inventor: Mahesh KANDULA
  • Publication number: 20140194448
    Abstract: The present invention relates to a new application of phosphodiesterase inhibitors for couple infertility treatment which forms an effective alternative to the invasive assisted reproductive techniques such as conjugal artificial insemination and which consists of the transvaginal administration of a phosphodiesterase inhibitor immediately before and/or after coitus. It also relates to dosage forms suitable for the intravaginal administration of phosphodiesterase inhibitors.
    Type: Application
    Filed: June 20, 2012
    Publication date: July 10, 2014
    Inventors: Maria Carmen Pardina Palleja, Miguel Angel Vaz-Romero Uña
  • Publication number: 20140121226
    Abstract: This invention relates to novel deuterated compounds that are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. In particular, this invention relates to novel substituted xanthine derivatives that are deuterated derivatives of a pentoxifylline metabolite. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed deuterated compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial. The compounds of the invention are represented by the following structural formula: wherein the values of R1, R2, R3, R4, R5, Y1 and Y2 are described herein.
    Type: Application
    Filed: July 24, 2013
    Publication date: May 1, 2014
    Applicant: CONCERT PHARMACEUTICALS, INC.
    Inventors: Roger D. Tung, Julie F. Liu, Scott L. Harbeson
  • Publication number: 20140105898
    Abstract: This invention relates generally to methods and agents for modulating adiposity-related conditions. More particularly, the present invention relates to the use of TRAIL death receptor agonists, including nucleic acids such as TRAIL polynucleotides, peptides and polypeptides including TRAIL polypeptides, TRAIL DR agonist antigen-binding molecules, TRAIL DR peptide agonists as well as small molecule TRAIL DR agonists in compositions and methods for treating or preventing adiposity-related conditions such as obesity, diabetes mellitus and metabolic syndrome.
    Type: Application
    Filed: February 27, 2012
    Publication date: April 17, 2014
    Applicant: Istituto Di Ricovero E Cura A Carattere Scientific Materno-Infantile Burlo Garo
    Inventors: Merlin C. Thomas, Giorgio Zauli, Paola Secchiero, Bruno Fabris, Stella Bernardi
  • Publication number: 20140100224
    Abstract: The present application is related to compounds which are novel neurotrophin mimetics. The application also discloses the treatment of disorders associated with p75 expression, such as degradation or dysfunction of cells expressing p75 in a mammal by administering an effective amount of such compounds.
    Type: Application
    Filed: June 26, 2013
    Publication date: April 10, 2014
    Applicants: The University of North Carolina at Chapel Hill, U.S. Government represented by the Department of Veterans Affairs, The Regents of the University of California
    Inventors: Frank M. Longo, Stephen M. Massa
  • Publication number: 20140046060
    Abstract: The present invention provides a method for utilizing recycled deuterium oxide synthesis of deuterated compounds.
    Type: Application
    Filed: September 1, 2011
    Publication date: February 13, 2014
    Applicant: Concert Pharmaceuticals, Inc.
    Inventors: Andrew D. Jones, Bernhard J. Paul
  • Publication number: 20140030200
    Abstract: The present invention relates to the activation of peptidyl arginine deiminase (PADs) 1 and/or 3 in the epidermis by at least one active agent used alone or in combination, namely caffeine, acefylline and/or theobromine in a cosmetic and/or pharmaceutical composition. The present invention also relates to the use of the aforementioned active agents in cosmetics and/or therapeutics, alone or in combination, in order to improve the barrier functions of the epidermis, to prevent and/or treat symptoms related to dry skin or to improve and/or promote hydration of the keratinous layer. Finally, the invention relates to increasing the activity of PAD1 and/or PAD3 in the epidermis.
    Type: Application
    Filed: April 11, 2012
    Publication date: January 30, 2014
    Applicant: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Hélène Duplan, Sylvie Daunes-Marion, Stéphane Poigny, Marie-Claire Mechin, Guy Serre, Michel Simon
  • Publication number: 20130310404
    Abstract: Novel p75 receptor antagonist compounds and compositions and uses thereof for the prevention and treatment of p75-associated disorders, such as neurodegenerative diseases, are described.
    Type: Application
    Filed: October 13, 2011
    Publication date: November 21, 2013
    Inventors: Horacio Uri Saragovi, Hinyu Nedev
  • Publication number: 20130303521
    Abstract: Compounds and compositions for treating injuries caused by exposure to chemical warfare agents are described herein.
    Type: Application
    Filed: October 26, 2012
    Publication date: November 14, 2013
    Applicant: HYDRA BIOSCIENCES, INC
    Inventor: HYDRA BIOSCIENCES, INC
  • Publication number: 20130245047
    Abstract: An animal model has been developed based the understanding that a central mechanism in patients with CTRF is that chemotherapy and/or radiation initiates canonical pathways leading to the development of disrupted sleep architecture, resulting in disruption of REM sleep and fatigue and cognitive dysfunction. Drugs that restore the activity patterns and levels towards normal and/or decrease the pro-inflammatory cytokines associated with the disrupted sleep, should be effective in alleviating one or more symptoms of CTRF. Pentoxifylline was demonstrated to improve activity levels in animals treated with etoposide.
    Type: Application
    Filed: May 2, 2013
    Publication date: September 19, 2013
    Applicant: Tenera Therapeutics, LLC
    Inventors: Stephen T. SONIS, Edward G. FEY, Edward B. RUBENSTEIN
  • Publication number: 20130123283
    Abstract: The present application relates to compounds and methods for treating pain, incontinence and other conditions.
    Type: Application
    Filed: April 11, 2012
    Publication date: May 16, 2013
    Inventors: Magdalene M. Moran, Christopher Fanger, Jayhong A. Chong, Colleen McNamara, Xiaoguang Zhen, Josh Mendel-Brehm
  • Publication number: 20120322799
    Abstract: The present application is related to deuterated compounds which are novel neurotrophin mimetics. The application also discloses the treatment of disorders involving degradation or dysfunction of cells expressing p75 in a mammal by administering an effective amount of such deuterated compounds.
    Type: Application
    Filed: November 30, 2010
    Publication date: December 20, 2012
    Applicant: PHARMATROPHIX, INC.
    Inventor: Gopal Damodara
  • Patent number: 8324224
    Abstract: Disclosed are novel compounds that are A2B adenosine receptor antagonists, useful for treating various disease states, including asthma and diarrhea.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: December 4, 2012
    Assignee: Gilead Sciences, Inc.
    Inventors: Rao Kalla, Thao Perry, Elfatih Elzein, Vaibhav Varkhedkar, Xiaofen Li, Prabha Ibrahim, Venkata Palle, Dengming Xiao, Jeff Zablocki
  • Publication number: 20120252782
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: June 15, 2012
    Publication date: October 4, 2012
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH AND CO. KG
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
  • Publication number: 20120252783
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are as defined herein, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: June 15, 2012
    Publication date: October 4, 2012
    Applicant: BOEHRINGER INGELHEIM PHARMA & CO. KG
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf LOTZ
  • Publication number: 20120225812
    Abstract: The present invention provides substituted fused pyrimidine compounds of formula (I), their tautomers, polymorphs, stereoisomers, prodrugs, solvates, pharmaceutically acceptable salts, pharmaceutical compositions containing them and methods of treating conditions and diseases that are mediated by adenosine receptor (AR) activity. The present invention also provides process of preparation of compounds of formula (I).
    Type: Application
    Filed: November 9, 2010
    Publication date: September 6, 2012
    Applicant: Advinus Therapeutics Limited
    Inventors: Vidya Ramdas, Summon Koul, Sujay Basu, Yogesh Waman, Yogesh Shejul, Dinesh Barawkar, Ventaka Poornapragnacharyulu Palle
  • Patent number: 8207175
    Abstract: The present invention relates to compounds and uses of compounds which interact with chitinase enzymes, in particular the inhibition of those enzymes.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: June 26, 2012
    Assignee: University Court of the University of Dundee
    Inventors: Daniel Marinus Ferdinand Van Aalten, Ian Michael Eggleston
  • Patent number: 8163479
    Abstract: The invention relates to substrates for O6-alkylguanine-DNA alkyltransferases (AGT) of formula R1-A-X—CH2—R3—R4-L1, wherein A is a group recognized by AGT as a substrate, X is oxygen or sulfur, R1 is a group —R2-L2 or a group R5, R2 and R4 are, independently of each other, a linker, R3 is an aromatic or a heteroaromatic group, or an optionally substituted unsaturated alkyl, cycloalkyl or heterocyclyl group with the double bond connected to CH2, R5 is arylmethyl or heteroarylmethyl or an optionally substituted cycloalkyl, cycloalkenyl or heterocyclyl group, L1 is a label, a plurality of same or different labels, a bond connecting R4 to A forming a cyclic substrate, or a further group —R3—CH2—X-A-R1, and L2 is a label or a plurality of same or different labels. The invention further relates to methods of transferring a label from these substrates to O6-alkylguanine-DNA alkyltransferases (AGT) and AGT fusion proteins.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: April 24, 2012
    Assignee: Ecole Polytechnique Federale de Lausanne
    Inventors: Hughes Jaccard, Kai Johnsson, Maik Kindermann, India Christina Sielaff
  • Patent number: 8044061
    Abstract: Disclosed are novel compounds of the general formula (Ia), and pharmaceutically acceptable salts, isomers, diastereomers or enantiomers thereof and their use as medicines, for example in the treatment of dopamine-related movement disorders.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: October 25, 2011
    Assignee: UCB Pharma GmbH
    Inventors: Christa E. Müller, Jörg Hockemeyer, Nikolay T. Tzvetkov, Joachim C. Burbiel
  • Publication number: 20110230479
    Abstract: The present application is related to compounds which are novel neurotrophin mimetics. The application also discloses the treatment of disorders associated with p75 expression, such as degradation or dysfunction of cells expressing p75 in a mammal by administering an effective amount of such compounds.
    Type: Application
    Filed: October 22, 2010
    Publication date: September 22, 2011
    Inventors: Frank M. Longo, Stephen M. Massa
  • Publication number: 20110144095
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are as defined herein, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: February 23, 2011
    Publication date: June 16, 2011
    Applicant: BOEHRINGER INGELHEIM PHARMA & CO. KG
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf LOTZ
  • Publication number: 20110059995
    Abstract: This invention relates to novel compounds that are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. For example, this invention relates to novel substituted xanthine derivatives that are derivatives of pentoxifylline. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial.
    Type: Application
    Filed: September 1, 2010
    Publication date: March 10, 2011
    Inventors: Roger D. Tung, Julie F. Liu, Scott L. Harbeson
  • Patent number: 7902360
    Abstract: wherein R3 is Alk14ArR16, and wherein Alk14 is C1-8 straight or branched alkylene or alkenylene. The present invention provides novel adenosine receptor antagonists, more particularly, A1 adenosine receptor antagonists of formula (I). Pharmaceutical compositions comprising an A1 adenosine receptor antagonist of formula (I) and a pharmaceutically acceptable carrier are further provided. Compositions also include diagnostic assay-type probes comprising a novel A1 adenosine receptor antagonist of formula (I) that is labeled or conjugated with radioactive or non-radioactive material. Methods for treating A1 adenosine receptor related disorders comprising administering an A1 adenosine receptor antagonist of formula I are also disclosed. The novel A1 adenosine receptor antagonist compositions of formula (I) find further use in diagnostic and imaging methods.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: March 8, 2011
    Inventors: Constance N. Wilson, John J. Partridge
  • Patent number: 7838529
    Abstract: Compounds of formula (I) wherein R1 is a phenylcarbonylmethyl group wherein the phenyl moiety is substituted by R10 and R11 and R2 to R4 and R10 and R1l are defined as in the claims, or the prodrugs or salts thereof, particularly the physiologically acceptable salts thereof, pharmaceutical compositions containing these compounds, and methods of treating type II diabetes mellitus and obesity using these compounds.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: November 23, 2010
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf Lotz
  • Patent number: 7799524
    Abstract: The invention relates to compounds of formula 1 wherein R1-R2 is a guanine derivative; X is oxygen or sulfur; R3 is a heteroaromatic, unsaturated heterocyclyl or an alkynyl group with the double or triple bond connected to CH2; R4 is a linker; and L is a label, a plurality of same or different labels, a bond connecting R4 to R1 forming a cyclic substrate, or a further group —R3—CH2—X—R1-R2. The invention relates also to methods of manufacture of such novel AGT substrates, to intermediates useful in the synthesis of such AGT substrates, and to a method of transferring a label from such AGT substrates to O6-alkylguanine-DNA alkyltransferase (AGT) fusion proteins comprising proteins of interest.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: September 21, 2010
    Assignee: Ecole Polytechnique Ferdeale de Lausanne
    Inventors: Maik Kindermann, Kai Johnsson, Christoph Bieri
  • Publication number: 20100228015
    Abstract: This invention relates to novel homotopic prodrugs and medicaments and methods for their preparation, testing and use. In one embodiment, the homotopic prodrug has the general formula wherein is a biologically-active moiety comprising a carboxylic acid functional group, and Rb is a homotopically-symmetrical alcohol bonded to the biologically-active moiety through the carboxylic acid functional group to form an ester linkage, as well as optical isomers, enantiomers, pharmaceutically acceptable salts, biohydrolyzable amides, esters, and imides thereof and combinations thereof.
    Type: Application
    Filed: April 23, 2010
    Publication date: September 9, 2010
    Inventors: Mitchell A. deLong, Jill M. McFadden, Susan M. Royalty, Eric J. Toone, Jeffrey D. Yingling
  • Publication number: 20100210598
    Abstract: Provided herein are small molecule conjugates that are agonists or antagonists of one or more toll-like receptors.
    Type: Application
    Filed: February 11, 2010
    Publication date: August 19, 2010
    Applicant: Regents of the University of California, San Diego
    Inventors: Dennis A. Carson, Howard B. Cottam, Tomoko Hayashi, Michael Chan
  • Publication number: 20100204250
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are as defined herein, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: April 27, 2010
    Publication date: August 12, 2010
    Applicant: Boehringer Ingelheim Pharma & Co. KG
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf LOTZ
  • Patent number: 7772226
    Abstract: The present invention is related to compounds represented by the following formula, or salts or hydrates thereof wherein, T1 represents a 4- to 12-membered heterocyclic group containing one or two nitrogen atoms in the ring, which is a monocyclic or bicyclic structure that may have one or more substituents; X represents a C1-6 alkyl group which may have one or more substituents, or such; Z1 and Z2 each independently represent a nitrogen atom or a group represented by the formula —CR2—; R1 and R2 independently represent a hydrogen atom, a C1-6 alkyl group which may have one or more substituents, or a C1-6 alkoxy group which may have one or more substituents, or such. These are novel compounds that exhibit an excellent DPPIV-inhibiting activity.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: August 10, 2010
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Seiji Yoshikawa, Eita Emori, Fumiyoshi Matsuura, Richard Clark, Hironori Ikuta, Kazunobu Kira, Nobuyuki Yasuda, Tadashi Nagakura, Kazuto Yamazaki
  • Publication number: 20100190746
    Abstract: Compounds, compositions and methods are provided which are useful in the treatment of diseases through the modulation of potassium ion flux through voltage-dependent potassium channels. More particularly, the invention provides quinazolinone, compositions and methods that are useful in the treatment of central or peripheral nervous system disorders (e.g., migraine, ataxia, Parkinson's disease, bipolar disorders, trigeminal neuralgia, spasticity, mood disorders, brain tumors, psychotic disorders, myokymia, seizures, epilepsy, hearing and vision loss, Alzheimer's disease, age-related memory loss, learning deficiencies, anxiety and motor neuron diseases) and as neuroprotective agents (e.g., to prevent stroke and the like) by modulating potassium channels associated with the onset or recurrence of the indicated conditions.
    Type: Application
    Filed: November 20, 2009
    Publication date: July 29, 2010
    Applicant: ICAGEN, INC.
    Inventors: Grant A. McNaughton-Smith, James B. Thomas, JR., George S. Amato
  • Patent number: 7713982
    Abstract: The present invention relates to a therapeutically active xanthine derivative compound of formula (I): corresponding pharmaceutical formulations containing, manufacture processes for, methods or uses of such compounds in therapy, in particular for treatment of diseases where under-activation of the HM74A receptor contributes to such diseases or where activation of the HM74A receptor will be beneficial.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: May 11, 2010
    Assignee: Smithkline Beecham Corporation
    Inventor: Ivan Leo Pinto
  • Publication number: 20090239886
    Abstract: This invention relates to novel compounds that are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. For example, this invention relates to novel substituted xanthine derivatives that are derivatives of pentoxifylline. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 24, 2009
    Applicant: CoNCERT Pharmaceuticals, Inc.
    Inventors: Roger D. Tung, Julie F. Liu, Scott L. Harbeson
  • Publication number: 20090221821
    Abstract: The invention is based on the discovery that compounds of Formula I are unexpectedly highly potent and selective inhibitors of the adenosine A1 receptor. Adenosine A1 antagonists can be useful in the prevention and/or treatment of numerous diseases, including cardiac and circulatory disorders, degenerative disorders of the central nervous system, respiratory disorders, and many diseases for which diuretic treatment is suitable.
    Type: Application
    Filed: February 10, 2009
    Publication date: September 3, 2009
    Applicant: BIOGEN IDEC MA INC.
    Inventors: Carol L. Ensinger, James E. Dowling, Russell C. Petter, Gnanasambandam Kumaravel
  • Patent number: 7569574
    Abstract: The invention relates to new purine derivatives of general formula wherein R1 to R4 are defined as in the claims, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV), the preparation thereof, the use thereof for the prevention or treatment of diseases or conditions associated with an increased DPP-IV activity or capable of being prevented or alleviated by reducing the DPP-IV activity, particularly type I or type II diabetes mellitus, the pharmaceutical compositions containing a compound of general formula (I) or a physiologically acceptable salt thereof as well as processes for the preparation thereof.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: August 4, 2009
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Roland Maier, Frank Himmelsbach, Matthias Eckhardt, Elke Langkopf, Michael Mark, Ralf R. H. Lotz
  • Patent number: 7560450
    Abstract: The present invention relates to substituted xanthines of general formula the tautomers, the stereoisomers, the mixtures thereof, the prodrugs thereof and the salts thereof, which have valuable pharmacological properties, particularly an inhibitory effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: July 14, 2009
    Assignee: Boehringer Ingelheim Pharma GmbH & Co., KG
    Inventors: Matthias Eckhardt, Frank Himmelsbach, Elke Langkopf, Roland Maier, Michael Mark, Mohammad Tadayyon
  • Patent number: 7550468
    Abstract: A variety of N-substituted derivatives are based upon the base chemicals of that provide for the induction of cavernosal relaxation in animals. R2 is a derivative based on a hetroaromatic group, an aromatic group or a cyclohexane.
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: June 23, 2009
    Inventor: Ing-Jun Chen
  • Patent number: 7495005
    Abstract: Compounds of formula (I) wherein R1 is a phenylcarbonylmethyl group wherein the phenyl moiety is substituted, and R2 to R4 are defined as in the claims, or the prodrugs or salts thereof, particularly the physiologically acceptable salts thereof, pharmaceutical compositions containing these compounds, and methods of treating type I and type II diabetes mellitus, arthritis, obesity, allograft transplantation and calcitonin-induced osteoporosis using these compounds.
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: February 24, 2009
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf R. H. Lotz
  • Publication number: 20080249089
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R3 are defined as in claims 1 to 16, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: June 20, 2008
    Publication date: October 9, 2008
    Applicant: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf R.H. Lotz, Mohammad Tadayyon
  • Patent number: 7407955
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R3 are defined as in claims 1 to 16, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: August 5, 2008
    Assignee: Boehringer Ingelheim Pharma GmbH & Co., KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf R. H. Lotz, Mohammad Tadayyon
  • Patent number: 7317017
    Abstract: Disclosed are novel A2B adenosine receptor antagonists having the structure of Formula I or Formula II The compounds are particularly useful for treating asthma, inflammatory gastrointestinal tract disorders, cardiovascular diseases, neurological disorders, and diseases related to undesirable angiogenesis.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: January 8, 2008
    Assignee: CV Therapeutics, Inc.
    Inventors: Rao Kalla, Thao Perry, Elfatih Elzein, Vaibhav Varkhedkar, Xiaofen Li, Prabha Ibrahim, Venkata Palle, Dengming Xiao, Jeff Zablocki
  • Patent number: 7312223
    Abstract: The present invention is directed to a metabolite of a xanthine Phosphodiesterase type 5 inhibitor having the following structure derivatives, and formulations thereof, and processes for preparing the same.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: December 25, 2007
    Assignee: Schering Corporation
    Inventors: Anima Ghosal, Wei Tong, Swapan K. Chowdhury, Shmuel Zbaida, Mark A. Wirth, Kevin B. Alton, James E. Patrick, Craig D. Boyle, Andrew Stamford
  • Patent number: 7307166
    Abstract: The invention relates to certain oxypurine nucleosides, congeners of such oxypurine nucleosides, and acyl derivatives thereof, and compositions which contain at least one of these compounds. The invention also relates to methods of treating or preventing hematopoietic disorders and modifying hematopoiesis, and treating or preventing inflammatory diseases and bacterial infections by administering a compound or composition of the present invention to an animal.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: December 11, 2007
    Assignee: Wellstat Therapeutics Corporation
    Inventors: Reid W. von Borstel, Michael K. Bamat, Bradley M. Hiltbrand, James C. Butler, Shyam Shirali
  • Patent number: 7304070
    Abstract: Disclosed are novel A2B adenosine receptor antagonists having the structure of Formula I or Formula II: The compounds are particularly useful for treating asthma, inflammatory gastrointestinal tract disorders, cardiovascular diseases, neurological disorders, and diseases related to undesirable angiogenesis.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: December 4, 2007
    Assignee: CV Therapeutics, Inc.
    Inventors: Rao Kalla, Thao Perry, Elfatih Elzein, Vaibhav Varkhedkar, Xiaofen Li, Prabha Ibrahim, Venkata Palle, Dengming Xiao, Jeff Zablocki
  • Patent number: 7247639
    Abstract: The present invention provides novel adenosine receptor antagonists, more particularly, A1 adenosine receptor antagonists of formula (I). Pharmaceutical compositions comprising an A1 adenosine receptor antagonist of formula (I) and a pharmaceutically acceptable carrier are further provided. Compositions also include diagnostic assay-type probes comprising a novel A1 adenosine receptor antagonist of formula (I) that is labeled or conjugated with radioactive or non-radioactive material. Methods for treating A1 adenosine receptor related disorders comprising administering an A1 adenosine receptor antagonist of formula (I) are also disclosed. The novel A1 adenosine receptor antagonist compositions of formula (I) find further use in diagnostic and imaging methods. wherein R3 is Alk14ArR16, and wherein Alk14 is C1-8 straight or branched alkylene or alkenylene.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: July 24, 2007
    Assignee: Endacea, Inc.
    Inventors: Constance N. Wilson, John J. Partridge
  • Patent number: 7235538
    Abstract: The present invention relates to therapeutically active and selective inhibitors of the enzyme DPP-IV, which are of formula I wherein each n is one or two independently and R1, R2, R3, R6, R7, R9, and R10 are defined herein. The present invention also relates to pharmaceutical compositions comprising the compounds of formula I and the use of the compounds for treating diseases that are associated with proteins that are subject to inactivation by DPP-IV, such as type-2 diabetes and obesity.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: June 26, 2007
    Assignee: Novo Nordisk A/S
    Inventors: Anders Bendtz Kanstrup, Lise Brown Christiansen, Jane Marie Lundbeck, Christian K. Sams, Marit Kristiansen
  • Patent number: 7148229
    Abstract: The present invention is a sulfonamide substituted xanthine derivative of formula I: or a pharmaceutically acceptable salt thereof, wherein R1 is lower alkyl, lower alkyl substituted by phenyl, or lower alkyl substituted by halogen substituted phenyl; R2 is lower alkyl or lower alkyl substituted by lower cycloalkyl; and R3 is: Compounds of formula I and pharmaceutically acceptable salts or prodrugs thereof show activity as modulators of gluconeogenesis.
    Type: Grant
    Filed: February 11, 2004
    Date of Patent: December 12, 2006
    Assignee: Hoffman-La Roche Inc.
    Inventors: Peter W. Dunten, Louise H. Foley, Nicholas J. S. Huby, Sherrie L. Pietranico-Cole, Weiya Yun