Plural Ring Nitrogens In The Additional Hetero Ring Patents (Class 544/270)
  • Publication number: 20150087643
    Abstract: The present invention discloses substituted fused pyrimidine compounds of formula (I), their tautomers, polymorphs, stereoisomers, solvates, pharmaceutically acceptable salts, or pharmaceutical compositions containing them and methods of treating conditions and diseases that are mediated by adenosine receptor (AR) activity; the compounds of the present invention are useful in the treatment, prevention or suppression of diseases and disorders that may be susceptible to improvement by antagonism of the adenosine receptor, such as asthma, chronic obstructive pulmonary disorder, angiogenesis, pulmonary fibrosis, emphysema, allergic diseases, inflammation, reperfusion injury, myocardial ischemia, atherosclerosis, hypertension, congestive heart failure, retinopathy, diabetes mellitus, obesity, inflammatory gastrointestinal tract disorders, and/or autoimmune diseases.
    Type: Application
    Filed: October 10, 2014
    Publication date: March 26, 2015
    Applicant: Advinus Therapeutics Private Limited
    Inventors: Venkata Palle, Vidya Ramdas, Dinesh Barawkar, Sujay Basu, Summon Koul, Yogesh Waman, Meena Patel, Anil Panmand
  • Publication number: 20150025089
    Abstract: The invention relates to an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines.
    Type: Application
    Filed: October 6, 2014
    Publication date: January 22, 2015
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Waldemar PFRENGLE, Thorsten PACHUR, Thomas NICOLA, Adil DURAN
  • Publication number: 20140275528
    Abstract: Compounds, compositions and methods are described for inhibiting the TRPC5 ion channel and disorders related to TRPC5.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: HYDRA BIOSCIENCES, INC.
    Inventors: Bertrand L. Chenard, Randall J. Gallaschun, Spencer David Kimball
  • Publication number: 20140206650
    Abstract: This disclosure describes novel compounds and pharmaceutical compositions for inhibiting the TRPA1 ion channel and/or medical conditions related to TRPA1, such as pain and respiratory conditions.
    Type: Application
    Filed: January 21, 2014
    Publication date: July 24, 2014
    Inventors: Blaise S. Lippa, Qingyi Li, Lily Cheng, Christopher M. Liu, Iwona E. Wrona, Chester A. Metcalf, III, Andrew J. Jackson
  • Publication number: 20140163048
    Abstract: This disclosure describes solid forms of the compound of Formula (I) and pharmaceutical compositions for inhibiting the TRPA1 ion channel and/or medical conditions related to TRPA1, such as pain.
    Type: Application
    Filed: August 9, 2013
    Publication date: June 12, 2014
    Applicant: Cubist Pharmaceuticals, Inc.
    Inventors: Nicholas Barker, Jian-Qiao Gu, Gaauri NAIK, Jan-Ji LAI, Stephen MACHATHA, You Seok Hwang, Pradip M. Pathare
  • Publication number: 20140128389
    Abstract: The present application includes novel modulators of TLRs, compositions containing such compounds, therapeutic methods that include the administration of such compounds.
    Type: Application
    Filed: October 15, 2010
    Publication date: May 8, 2014
    Applicant: GILEAD SCIENCES, INC.
    Inventors: Randall L. Halcomb, Paul A. Roethle
  • Patent number: 8697868
    Abstract: Disclosed are substituted xanthines of the formula wherein R is defined as in claim 1, the tautomers, the stereoisomers, the mixtures 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: January 27, 2009
    Date of Patent: April 15, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas
  • 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
  • Patent number: 8497370
    Abstract: A series of amine salts including a structure of formula (I) and formula (III) have provided. In formula I or formula (III), R1, Ra and RX are as defined in the specification. The amine complex salts disclosed in the present invention are characterized in a pro-drug active form and various pharmaceutical function.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: July 30, 2013
    Assignee: Kaohsiung Medical University
    Inventor: Ing-Jun Chen
  • Patent number: 8470805
    Abstract: A series of monoquarternary piperazium salts including a structure of a formula I or II are provided. In formula I or II, R1, Ra, and RX are as defined in the specification. The monoquarternary piperazium salt of KMUP or piperazine disclosed in the present invention is characterized by being presented in a pro-drug form and having various pharmaceutical functions.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: June 25, 2013
    Assignee: Kaohsiung Medical University
    Inventor: Ing-Jun Chen
  • Patent number: 8466129
    Abstract: The present invention relates to methods of preventing airway remodeling using A2B adenosine receptor antagonists. This invention finds utility in the treatment and prevention of asthma, COPD, pulmonary fibrosis, emphysema, and other pulmonary diseases. The invention also relates to pharmaceutical compositions for use in the method.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: June 18, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Dewan Zeng, Michael R. Blackburn, Luiz Belardinelli
  • Publication number: 20130123282
    Abstract: The present invention provides solid state forms of Linagliptin, processes for preparing the solid state forms, and pharmaceutical compositions thereof.
    Type: Application
    Filed: November 15, 2012
    Publication date: May 16, 2013
    Inventors: Leonid Metsger, Revital Burstein, Ariel Mitteman, Motti Erlich, Slavik Yurkovsky
  • 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: 20120251482
    Abstract: The synthesized piperazium salt of KMUPs disclosed in the present invention is characterized by presented pharmaceutics having functions to improve 5-HT function and eNOS expression of KMUPS in lung diseases, such as proliferation, obliteration, pulmonary artery hypertension. The pharmaceutical composition for inhibiting monocrotaline (MCT)-induced proliferation of pulmonary artery includes an effective amount of a complex salt of formula (I): wherein R2 and R4 are each selected independently from the group consisting of a C1˜C5 alkoxy group, a hydrogen, a nitro group, and a halogen atom; RX contains a carboxylic group donated from one selected from a group consisting of a Statin, a Co-polymer, a poly-?-polyglutamic acid (?-PGA) derivative and sodium CMC; and ?RX substituent is an anion of the carboxylic group carrying a negative charge; and a pharmaceutically accepted carrier.
    Type: Application
    Filed: September 19, 2011
    Publication date: October 4, 2012
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventor: Ing-Jun Chen
  • 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: 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
  • Patent number: 8252797
    Abstract: Compounds of the present disclosure are fused pyrimidine compounds of formula (I), its tautomers, polymorphs, stereoisomers, prodrugs, solvate or a pharmaceutically acceptable salts thereof, as Adenosine receptor antagonists. Processes of their preparation are also described in the disclosure.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: August 28, 2012
    Assignee: Advinus Therapeutics Pvt. Ltd.
    Inventors: Venkata Palle, Sujay Basu, Yogesh Waman, Vidya Ramdas, Dinesh Barawkar, Meena Patel, Anil Panmand
  • 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
  • Publication number: 20120095013
    Abstract: A pharmaceutical composition for improving a cardiac function is provided. The pharmaceutical composition comprises an effective amount of an active component being one of a KMUP-3 compound and a salt thereof.
    Type: Application
    Filed: April 12, 2011
    Publication date: April 19, 2012
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventor: Ing-Jun Chen
  • Patent number: 8153628
    Abstract: The present invention provides compounds and pharmaceutical compositions that are substituted xanthines of formula I: or pharmaceutically acceptable salts thereof, wherein: Z is selected from the group consisting of oxazoyl, isoxazoyl, thiazolyl, and isothiazoyl; and Z1 is a 5-14 member substituted or unsubstituted heteroaryl ring; which are selective antagonists of A2B adenosine receptors (ARs). These compounds and compositions are useful as pharmaceutical agents.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: April 10, 2012
    Assignee: Forest Laboratories Holdings Limited
    Inventors: Guoquan Wang, Jayson M Rieger, Robert D Thompson
  • Patent number: 8143249
    Abstract: Disclosed are prodrugs of A2B adenosine receptor antagonists of the formula: wherein R1 and R2 are independently lower alkyl; R4 is optionally substituted phenyl; X is hydrogen or methyl; and Y is —C(O)R, in which R is optionally substituted aryl or optionally substituted heteroaryl or a pharmaceutically acceptable salt thereof, and their use in treating mammals for various disease states.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: March 27, 2012
    Assignee: Gilead Sciences, Inc.
    Inventors: Rao Kalla, Dmitry Koltun, Jeff Zablocki, Elfatih Elzein
  • Patent number: 8143264
    Abstract: The present invention relates to a xanthine compound derivative which is 3-butyl-8-chloro-1-(3-{5-[(4-fluorophenyl)methyl]-2H-tetrazol-2-yl}propyl)-3,7-dihydro-1H-purine-2,6-dione: a pharmaceutically acceptable salt thereof, corresponding pharmaceutical formulations, combinations, preparation methods and methods or uses 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: August 8, 2006
    Date of Patent: March 27, 2012
    Assignee: GlaxoSmithKline LLC
    Inventors: Richard Jonathan Daniel Hatley, Andrew McMurtrie Mason, Ivan Leo Pinto
  • Publication number: 20120035158
    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: October 25, 2011
    Publication date: February 9, 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: 20110282031
    Abstract: This invention relates to a diagnostic probe comprising a compound of formula (I): such as 3-[2-[4-(5-aminopentyl-3-amidocarboxypropanoyl)]aminophenyl]ethyl]-8-benzyl-7-[2-ethyl(2-hydroxyethyl)amino]ethyl-1-propylxanthine, with one or more label moieties attached thereto. The compounds of the present invention are useful as diagnostic probes, including probes for diagnostic assays and imaging. Accordingly, the invention provides A1 adenosine receptor antagonist compounds with radioactive or non-radioactive labels suitable for executing such assays and imaging measurements. Labeled compounds are useful to obtain quantitative measurements of the A1 adenosine receptor antagonist compounds. They may be employed as an imaging agent in diagnostic procedures such as MRI and PET as well as cell or receptor based assays.
    Type: Application
    Filed: January 20, 2011
    Publication date: November 17, 2011
    Inventors: Constance N. Wilson, John J. Partridge
  • 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
  • Patent number: 8026244
    Abstract: There are disclosed novel compounds of Formula (I) wherein L, R1, X and Y are as defined in the specification, and pharmaceutically acceptable salts thereof; together with processes for their preparation, compositions containing them and their use in therapy. The compounds are inhibitors of the enzyme MPO and are thereby particularly useful in the treatment or prophylaxis of neuroinflammatory disorders, cardio- and cerebrovascular atherosclerotic disorders and peripheral artery disease and respiratory disorders.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: September 27, 2011
    Assignee: AstraZeneca AB
    Inventors: Anna-Karin Tiden, Jenny Viklund
  • Publication number: 20110160162
    Abstract: Disclosed are prodrugs of A2B adenosine receptor antagonists, and their use in treating mammals for various disease states.
    Type: Application
    Filed: January 21, 2011
    Publication date: June 30, 2011
    Applicant: Gilead Sciences, Inc.
    Inventors: Rao Kalla, Dmitry Koltun, Jeff Zablocki, Elfatih Elzein
  • Publication number: 20110136767
    Abstract: A series of monoquarternary piperazium salts including a structure of a formula I or II are provided. In formula I or II, R1, Ra, and RX are as defined in the specification. The monoquarternary piperazium salt of KMUP or piperazine disclosed in the present invention is characterized by being presented in a pro-drug form and having various pharmaceutical functions.
    Type: Application
    Filed: September 9, 2010
    Publication date: June 9, 2011
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventor: Ing-Jun Chen
  • Patent number: 7820815
    Abstract: The invention relates to an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines. The process involves reacting a compound of the formula (III) with 3-(phthalimido)piperidine or an enantiomer thereof where X is a leaving group selected from halogens and sulphonic ester acid residues, and R1 to R3 are as defined herein, to obtain a compound of the formula (II) and deprotecting the obtained compound of the formula (II) to obtain the product xanthines.
    Type: Grant
    Filed: November 4, 2005
    Date of Patent: October 26, 2010
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Waldemar Pfrengle, Thorsten Pachur, Thomas Nicola, Adil Duran
  • 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: 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
  • 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
  • Patent number: 7767685
    Abstract: The present invention provides compounds of the formula which are adenosine A2B receptor antagonists and, thus, may be employed for the treatment of conditions and diseases mediated by the adenosine A2B receptor activity. Such conditions include, but are not limited to, chronic and acute inflammatory diseases involving degranulation of mast cells, e.g., asthma, allergic rhinitis and allergic dermatitis; impaired sensitivity to insulin, e.g., type 2 diabetes, pre-diabetic state, and impaired glucose tolerance; diseases in which angiogenesis is a key component of pathogenesis, e.g., solid tumors and angiogenic retinopathies; apnea of preterm infants; myocardial reperfusion injury; inflammatory bowel disease; autoimmune diseases, such as rheumatoid arthritis, multiple sclerosis, and lupus erythematosis; diseases involving microvascular abnormalities of the retina that are mediated by adenosine A2B receptors, e.g.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: August 3, 2010
    Assignee: King Pharmaceuticals Research and Development, Inc.
    Inventors: Pier Giovanni Baraldi, Pier Andrea Borea, Allan Moorman, Mojgan Aghazadeh Tabrizi
  • Publication number: 20100179128
    Abstract: The present invention relates to compounds of formula (I) which are xanthine derivatives, processes for the manufacture of said derivatives, pharmaceutical formulations containing these active compounds and the use of the compounds in therapy, for example, in the treatment of diseases where under-activation of the HM74A receptor contributes to the disease or where activation of the receptor will be beneficial
    Type: Application
    Filed: August 8, 2006
    Publication date: July 15, 2010
    Inventors: Richard Jonathan Daniel Hatley, Jag Paul Heer, John Liddle, Andrew McMurtrie Mason, Ivan Leo Pinto, Shahzad Sharooq Rahman, Ian Edward David Smith
  • Publication number: 20100168122
    Abstract: The present invention relates to compounds of formula (I) which are xanthine derivatives, processes for manufacture of said derivatives, pharmaceutical formulations containing these compounds and the use of the compounds in therapy, for example, in the treatment of diseases where under-activation of the HM74A receptor contributes to the disease or where activation of the receptor will be beneficial
    Type: Application
    Filed: August 8, 2006
    Publication date: July 1, 2010
    Applicant: SMITHKLINE BEECHAM CORPORATION
    Inventors: Richard Jonathan Daniel Hatley, Andrew McMurtrie Mason, Ivan Leo Pinto
  • Patent number: 7732455
    Abstract: Selective antagonists of A2B adenosine receptors like those of formula I are provided. These compounds and compositions are useful as pharmaceutical agents.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: June 8, 2010
    Assignee: PGx Health, LLC
    Inventors: Guoquan Wang, Jayson M. Rieger, Robert D. Thompson
  • Publication number: 20100120765
    Abstract: The present invention provides compounds and pharmaceutical compositions that are selective antagonists of A2B adenosine receptors (ARs). These compounds and compositions are useful as pharmaceutical agents.
    Type: Application
    Filed: July 22, 2009
    Publication date: May 13, 2010
    Applicant: PGXHEALTH, LLC
    Inventors: Guoquan Wang, Jayson M. Rieger, Robert D. Thompson
  • Patent number: 7645763
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 and R2 are defined as in the claims, the tautomers, the stereoisomers, the mixtures 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: February 22, 2005
    Date of Patent: January 12, 2010
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas
  • Publication number: 20090298744
    Abstract: Compounds of the present disclosure are fused pyrimidine compounds of formula (I), its tautomers, polymorphs, stereoisomers, prodrugs, solvate or a pharmaceutically acceptable salts thereof, as Adenosine receptor antagonists. Processes of their preparation are also described in the disclosure.
    Type: Application
    Filed: March 26, 2009
    Publication date: December 3, 2009
    Applicant: ADVINUS THERAPEUTICS PVT. LTD.
    Inventors: Venkata Palle, Sujay Basu, Yogesh Waman, Vidya Ramdas, Dinesh Barawkar
  • Patent number: 7625881
    Abstract: Disclosed are prodrugs of A2B adenosine receptor antagonists, having the following structure and their use in treating mammals for various disease states.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: December 1, 2009
    Assignee: Gilead Palo Alto, Inc.
    Inventors: Rao Kalla, Dmitry Koltun, Jeff Zablocki, Elfatih Elzein
  • Patent number: 7618962
    Abstract: The present invention provides compounds and pharmaceutical compositions that are substituted pyridyl-linked-xanthines of formula I which are selective antagonists of A2B adenosine receptors (ARs). These compounds and compositions are useful as pharmaceutical agents.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: November 17, 2009
    Assignee: PGX Health, LLC
    Inventors: Guoquan Wang, Jayson M. Rieger, Robert D. Thompson
  • Patent number: 7598379
    Abstract: The present invention provides processes for making pyridyl-linked-xanthines of formula VII, from 5,6-diamino-1H-pyrimidine-2,4-diones of formula II and acylating agents of formula VI. The xanthines are expected to be are selective antagonists of A2B adenosine receptors (ARs).
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: October 6, 2009
    Assignee: PGx Health, LLC
    Inventors: Guoquan Wang, Jayson M. Rieger, Robert D. Thompson
  • Patent number: 7579348
    Abstract: The present invention provides compounds and pharmaceutical compositions that are substituted pyridyl-linked-xantbines of formula I which are selective antagonists of A2B adenosine receptors (ARs). These compounds and compositions are useful as pharmaceutical agents.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: August 25, 2009
    Assignee: PGxHealth, LLC
    Inventors: Guoquan Wang, Jayson M. Rieger, Robert D. Thompson
  • 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: 7550455
    Abstract: The present invention relates to substituted xanthines of the general formula in which R1 to R3 and n are as defined in claims 1 to 8, their tautomers, their enantiomers, their diastereomers, their mixtures, their prodrugs and their salts, which have valuable pharmacological properties, in particular an inhibitory action on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: June 23, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas
  • 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: 7501426
    Abstract: Disclosed are substituted xanthines of the formula wherein R is defined as in claim 1, the tautomers, the stereoisomers, the mixtures 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: February 17, 2005
    Date of Patent: March 10, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas
  • Patent number: 7495003
    Abstract: The application relates to new substituted xanthines of general formula wherein R1 and R2 are defined as in claims 1 to 11, the tautomers, the enantiomers, the diastereomers, the mixtures 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: September 1, 2005
    Date of Patent: February 24, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Matthias Eckhardt, Frank Himmelsbach, Elke Langkopf, Mohammad Tadayyon, Leo Thomas
  • 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
  • Patent number: 7495002
    Abstract: The present invention relates to new substituted xanthines of general formula wherein R1, R2 and X are defined as in the claims, the tautomers, the enantiomers, the diastereomers, the mixtures 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: September 1, 2005
    Date of Patent: February 24, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Elke Langkopf, Matthias Eckhardt, Frank Himmelsbach, Mohammad Tadayyon, Leo Thomas, Ralf R. H. Lotz