Nitrogen Attached Directly Or Indirectly To The Purine Ring System By Nonionc Bonding Patents (Class 544/272)
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Patent number: 11643384Abstract: A composition comprising a) a quaternary trialkylalkanolamine hydroxide and b) at least one diamine as component b), which is selected from the group consisting of 1-amino-4-methylpiperazine, 1,2-diaminopropane and mixtures thereof.Type: GrantFiled: April 26, 2018Date of Patent: May 9, 2023Assignee: KURITA WATER INDUSTRIES LTD.Inventors: Michael Urschey, Tim Rudolph
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Patent number: 10723756Abstract: This disclosure features chemical entities (e.g., a compound that modulates (e.g., agonizes) Stimulator of Interferon Genes (STING), or a pharmaceutically acceptable salt, and/or hydrate, and/or coccrystal, and/or drug combination of the compound) that are useful, e.g., for treating a condition, disease or disorder in which a decrease or increase in STING activity (e.g., a decrease, e.g., a condition, disease or disorder associated with repressed or impaired STING signaling) contributes to the pathology and/or symptoms and/or progression of the condition, disease or disorder (e.g., cancer) in a subject (e.g., a human). This disclosure also features compositions as well as other methods of using and making the same.Type: GrantFiled: January 11, 2017Date of Patent: July 28, 2020Assignee: Innate Tumor Immunity Inc.Inventors: Gary Glick, Shomir Ghosh, Edward James Olhava, William R. Roush, Roger Jones
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Patent number: 10253026Abstract: This invention relates to a method for preparation of a xanthine-based compound of formula (I): as well as to intermediates useful in such preparation.Type: GrantFiled: June 24, 2016Date of Patent: April 9, 2019Assignee: Boenringer Ingelheim International GmbHInventors: Weitong Dong, Yao Huang, Shengmin Su, Yongfen Sun, Pengtao Zhang
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Publication number: 20150139903Abstract: Tracers targeting phosphodiesterase1 for use in gamma radiation detection-based diagnostic techniques, particularly gamma-emitter labeled tracers for SPECT and positron emitter-labeled compositions for PET are disclosed. Radio-labeled multiple novel scaffolds as PDE1 inhibitors such as substituted pyrazolo-pyrimidin-4-one derivatives, biomarkers for phosphodiesterase 1 [PDE1) in vivo, methods for developing novel therapies for PDE1-implicated conditions such as pulmonary arterial hypertension (PAH), Central Nervous System (CNS) and Cardiovascular (CV) disorders, and methods of detection and treatment are also disclosed.Type: ApplicationFiled: September 22, 2014Publication date: May 21, 2015Inventors: Peng LI, Lawrence WENNOGLE, Jun ZHAO, Hailin ZHENG
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Publication number: 20140275528Abstract: Compounds, compositions and methods are described for inhibiting the TRPC5 ion channel and disorders related to TRPC5.Type: ApplicationFiled: March 14, 2014Publication date: September 18, 2014Applicant: HYDRA BIOSCIENCES, INC.Inventors: Bertrand L. Chenard, Randall J. Gallaschun, Spencer David Kimball
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8-[3-amino-piperidin-1-yl]-xanthines, their preparation and their use as pharmaceutical compositions
Patent number: 8697868Abstract: 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: GrantFiled: January 27, 2009Date of Patent: April 15, 2014Assignee: Boehringer Ingelheim International GmbHInventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas -
Publication number: 20140073656Abstract: Novel compounds for the treatment of estrogen receptor-mediated disorders, including breast cancer, and methods of treatment using the novel compounds. The novel compounds, when administered in a safe and effective amount, present extended binding to estrogen receptors in breast tissue without activating the estrogen receptors. Estrogen is blocked from binding to the estrogen receptors for an extended period of time, effectively hindering growth of breast cancer cells.Type: ApplicationFiled: October 10, 2013Publication date: March 13, 2014Applicant: Florida A&M UniversityInventor: John S. Cooperwood
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Publication number: 20140057901Abstract: 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: ApplicationFiled: February 21, 2013Publication date: February 27, 2014Applicant: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf LOTZ
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Publication number: 20140031375Abstract: This invention relates to compounds of formula (I), Wherein R1-R4 are defined in the Specification, their uses in the practice of medicine, their medicinal formulations, their use in medical diagnosis, and their preparation.Type: ApplicationFiled: December 19, 2008Publication date: January 30, 2014Inventor: Constance Neely Wilson
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Publication number: 20130303761Abstract: The present invention relates to novel protein modulators capable of altering function of the mutant CFTR protein and their use for treating diseases associated with CFTR protein malfunction. The invention provides compositions, pharmaceutical preparations and methods of correcting the cellular alteration of a mutant CFTR protein wherein the CFTR mutation is a mutation AF508-CFTR, or another mutation of class II.Type: ApplicationFiled: June 20, 2011Publication date: November 14, 2013Applicant: INSTYTUT BIOCHEMII I BIOFIZYKI PANInventors: Norbert Odolczyk, Piotr Zielenkiewicz, Grzegorz Wieczorek, Aleksander Edelman, Danielle Tondelier, Janine Fritsch
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Patent number: 8569489Abstract: The invention relates to a range of original xanthine derivatives substituted in 1 -and 7-positions with benzhydryl-4-piperazinyl-1-alkane fragments. A method for obtaining 3-methyl-7-[4-(benzhydryl-4-piperazinyl-1)butyl]xanthine and the salts thereof with organic and inorganic acids by alkylating the 7-potassium salt of 3-methylxanthine by 1,4-dibromobutane, by subsequently interacting the thus formed 7-(4-bromobutyl)-3-methylxanthine with 1-benzhydrylpiperazinyl and by neutralising the thus obtained radical 7-/4-(4-benzhydrylpiperazinyl-1) butyl/-3-methylxanthine by an organic or inorganic acid is also disclosed.Type: GrantFiled: September 29, 2009Date of Patent: October 29, 2013Assignee: A.B. Intelpharm LimitedInventors: Robert G. Glushkov, Sergei D. Juzhakov, Olga S. Fominova, Nelli M. Sazonova, Elena M. Dolginova, Vadim A. Shorr, Mikhail V. Borovkov, Valentina V. Asnina
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Patent number: 8492390Abstract: The invention relates to a novel strategy for the synthesis of Locked Nucleic Acid derivatives, such as ?-L-oxy-LNA, amino-LNA, ?-L-amino-LNA, thio-LNA, ?-L-thio-LNA, seleno-LNA and methylene LNA, which provides scalable high yielding reactions utilising intermediates that also can produce other LNA analogues such as oxy-LNA. Also, the compounds of the formula X are important intermediates that may be reacted with varieties of nucleophiles leading to a wide variety of LNA analogues.Type: GrantFiled: December 23, 2011Date of Patent: July 23, 2013Assignee: Santaris Pharma A/SInventors: Mads Detlef Sorensen, Jesper Wengel, Troels Koch, Signe M. Christensen, Christoph Rosenbohm, Daniel Sejer Pedersen
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Publication number: 20130165428Abstract: 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: ApplicationFiled: February 21, 2013Publication date: June 27, 2013Applicant: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
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Patent number: 8324224Abstract: Disclosed are novel compounds that are A2B adenosine receptor antagonists, useful for treating various disease states, including asthma and diarrhea.Type: GrantFiled: June 27, 2011Date of Patent: December 4, 2012Assignee: Gilead Sciences, Inc.Inventors: Rao Kalla, Thao Perry, Elfatih Elzein, Vaibhav Varkhedkar, Xiaofen Li, Prabha Ibrahim, Venkata Palle, Dengming Xiao, Jeff Zablocki
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Publication number: 20120252783Abstract: 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: ApplicationFiled: June 15, 2012Publication date: October 4, 2012Applicant: BOEHRINGER INGELHEIM PHARMA & CO. KGInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf LOTZ
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Publication number: 20120252782Abstract: 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: ApplicationFiled: June 15, 2012Publication date: October 4, 2012Applicant: BOEHRINGER INGELHEIM PHARMA GMBH AND CO. KGInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
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Publication number: 20120208829Abstract: 2-Phenoxy pyrimidinone analogues are provided, of the Formula: wherein variables are as described herein. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using such compounds to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.Type: ApplicationFiled: August 22, 2011Publication date: August 16, 2012Applicant: Neurogen CorporationInventors: Rajagopal Bakthavatchalam, Scott M. Capitosti, Jianjun Xu, Bertrand L. Chenard, Manuka Ghosh, Charles A. Blum
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Patent number: 8222257Abstract: Compounds and compositions are provided for treatment, prevention, or amelioration of a variety of medical disorders associated with viral infections and/or cell proliferation. The compounds provided herein are 5-phosphono-pent-2-en-1-yl nucleosides and esters thereof.Type: GrantFiled: March 30, 2006Date of Patent: July 17, 2012Assignee: The Regents of the University of CaliforniaInventors: Karl Y. Hostetler, James R. Beadle, Hyunah Choo
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Patent number: 8207175Abstract: The present invention relates to compounds and uses of compounds which interact with chitinase enzymes, in particular the inhibition of those enzymes.Type: GrantFiled: June 21, 2006Date of Patent: June 26, 2012Assignee: University Court of the University of DundeeInventors: Daniel Marinus Ferdinand Van Aalten, Ian Michael Eggleston
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Patent number: 8163479Abstract: 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: GrantFiled: March 1, 2005Date of Patent: April 24, 2012Assignee: Ecole Polytechnique Federale de LausanneInventors: Hughes Jaccard, Kai Johnsson, Maik Kindermann, India Christina Sielaff
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Publication number: 20120035158Abstract: 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: ApplicationFiled: October 25, 2011Publication date: February 9, 2012Applicant: BOEHRINGER INGELHEIM PHARMA GMBH AND CO. KGInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
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Publication number: 20120022086Abstract: Novel compounds, compositions, and methods related to the activation of the TrkB receptor are provided. The methods include administering in vivo or in vitro a therapeutically effective amount of a compound containing a catecholamine backbone and pharmaceutically acceptable salts, prodrugs, and derivatives thereof. Specifically, methods, compositions, and compounds for the treatment of disorders including neurological disorders, neuropsychiatric disorders, and metabolic disorders are provided. For example, a first method is provided of treating or reducing the risk of depression, anxiety, or obesity in a subject, which includes administering to the subject a therapeutically effective amount of the described compounds. A further method of promoting neuroprotection in a subject also is provided, which includes administering to the subject a therapeutically effective amount of the described compounds.Type: ApplicationFiled: March 17, 2010Publication date: January 26, 2012Applicant: EMORY UNIVERSITYInventor: Keqiang Ye
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Patent number: 8084458Abstract: Methods are described for the synthesis of Locked Nucleic Acid (LNA) derivatives using certain nitrogen-containing nucleophiles.Type: GrantFiled: August 3, 2009Date of Patent: December 27, 2011Assignee: Santaris Pharma A/SInventors: Mads Detlef Sørensen, Jesper Wengel, Troels Koch, Signe M. Christensen, Christoph Rosenbohm, Daniel Sejer Pedersen
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Publication number: 20110282031Abstract: 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: ApplicationFiled: January 20, 2011Publication date: November 17, 2011Inventors: Constance N. Wilson, John J. Partridge
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Patent number: 8044061Abstract: 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: GrantFiled: December 21, 2007Date of Patent: October 25, 2011Assignee: UCB Pharma GmbHInventors: Christa E. Müller, Jörg Hockemeyer, Nikolay T. Tzvetkov, Joachim C. Burbiel
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Publication number: 20110144083Abstract: 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: ApplicationFiled: February 23, 2011Publication date: June 16, 2011Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBHInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R. H. LOTZ
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Publication number: 20110144095Abstract: 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: ApplicationFiled: February 23, 2011Publication date: June 16, 2011Applicant: BOEHRINGER INGELHEIM PHARMA & CO. KGInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf LOTZ
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Publication number: 20110118464Abstract: The halogenated xanthine derivatives and the precursors thereof for anti-cancer and anti-metastasis activity and the preparation method thereof are provided. The halogenated xanthine derivatives can further be radio-labeled with the radioactive halide group. The growth of human prostate carcinoma, tongue squamous cell carcinoma, colon adenocarcinoma and lung carcinoma can be inhibited and arrested in G0/G1 phase by KMUP-2Cl (7-[2-[4-(chlorophenyl)-piperazinyl]ethyl]-1,3-dimethyl-8-chloroxanthine). In addition, the growth of human prostate carcinoma LNCaP can be inhibited by KMUP-1 (7-[2-[4-(2-chlorobenzene)-piperazinyl]-ethyl]-1,3-dimethyl-xanthine), and the LNCaP prostate cancer xenograft growth in nude mice is effectively inhibited by the intraperitoneal injection and per oral administration of KMUP-1.Type: ApplicationFiled: November 18, 2009Publication date: May 19, 2011Inventor: Ing-Jun Chen
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Publication number: 20110086868Abstract: The present application describes isoindoles and derivatives thereof, or pharmaceutically acceptable salt forms thereof, which are useful inhibitors of VEGFR.Type: ApplicationFiled: December 16, 2010Publication date: April 14, 2011Applicant: NOVA Southeastern UniversityInventors: Appu Rathinavelu, Sivanesan Dakshanamurthy, Nagarajan Pattabiraman
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Patent number: 7902360Abstract: 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: GrantFiled: May 25, 2007Date of Patent: March 8, 2011Inventors: Constance N. Wilson, John J. Partridge
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Patent number: 7875603Abstract: The present application describes isoindoles and derivatives thereof, or pharmaceutically acceptable salt forms thereof, which are useful inhibitors of VEGFR.Type: GrantFiled: September 21, 2007Date of Patent: January 25, 2011Assignee: Nova Southeastern UniversityInventors: Appu Rathinavelu, Sivanesan Dakshanamurthy, Nagarajan Pattabiraman
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Publication number: 20100317671Abstract: A pharmaceutical composition for a treatment of an interstitial lung disease is provided. The pharmaceutical composition comprises an effective amount of an active component being one selected from a group consisting of a KMUP compound, a KMUP monoquaternary ammonium salt and a KMUP monoquaternary ammonium complex salt, wherein the KMUP monoquaternary ammonium complex salt is synthesized by the KMUP compound and a carboxylic acid derivative of one selected from a group consisting of a statin, a non-steroid anti-inflammatory (NSAIDs) and an anti-asthmatic drug.Type: ApplicationFiled: July 7, 2010Publication date: December 16, 2010Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventor: Ing-Jun Chen
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Patent number: 7838523Abstract: At least one chemical entity chosen from compounds of Formula 1 and pharmaceutically acceptable salts, solvates, chelates, non-covalent complexes, prodrugs, and mixtures thereof is described herein. Pharmaceutical compositions comprising at least one chemical entity of the invention, together with at least one pharmaceutically acceptable vehicle chosen from carriers adjuvants, and excipients, are described. Methods of treating patients suffering from certain diseases responsive to inhibition of Btk activity and/or B-cell activity are described. Methods for determining the presence of Btk in a sample are described.Type: GrantFiled: September 11, 2007Date of Patent: November 23, 2010Assignee: CGI Pharmaceuticals, Inc.Inventors: Peter A. Blomgren, Seung H. Lee, Scott A. Mitchell, Jianjun Xu, Aaron C. Schmitt, Jeffrey E. Kropf, Kevin S. Currie
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Patent number: 7820815Abstract: 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: GrantFiled: November 4, 2005Date of Patent: October 26, 2010Assignee: Boehringer Ingelheim International GmbHInventors: Waldemar Pfrengle, Thorsten Pachur, Thomas Nicola, Adil Duran
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Patent number: 7799524Abstract: 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: GrantFiled: October 1, 2003Date of Patent: September 21, 2010Assignee: Ecole Polytechnique Ferdeale de LausanneInventors: Maik Kindermann, Kai Johnsson, Christoph Bieri
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Patent number: 7786301Abstract: A process for preparing xanthine phosphodiesterase V inhibitors, and compounds utilized in said process. The process includes a five-step methodology for efficient synthesis of Compound 5 without intermediate purifications or separations, a dihalogenation step to synthesize Compound 7, and a coupling reaction to produce Compound 9.Type: GrantFiled: May 8, 2006Date of Patent: August 31, 2010Assignee: Schering CorporationInventors: Vilas A. Dahanukar, Hoa N. Nguyen, Cecilia A. Orr, Fucheng Zhang, Ilia Zavialov
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Publication number: 20100204250Abstract: 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: ApplicationFiled: April 27, 2010Publication date: August 12, 2010Applicant: Boehringer Ingelheim Pharma & Co. KGInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf LOTZ
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Patent number: 7772226Abstract: 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: GrantFiled: August 28, 2008Date of Patent: August 10, 2010Assignee: 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
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Patent number: 7759355Abstract: The present invention provides methods of treating restless legs syndrome or related disorders, comprising administering an effective amount of at least one adenosine A2A receptor antagonist to a patient in need thereof. More preferably the adenosine A2A receptor antagonist is a xanthine derivative or a pharmaceutically acceptable salt thereof.Type: GrantFiled: August 27, 2003Date of Patent: July 20, 2010Assignee: Kyowa Hakko Kirin Co., Ltd.Inventors: Hiroshi Kase, Naoki Seno, Akihisa Mori, Dayao Zhao
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Publication number: 20100173916Abstract: 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: ApplicationFiled: March 16, 2010Publication date: July 8, 2010Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBHInventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
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Publication number: 20100168425Abstract: The invention relates to a range of original xanthine derivatives substituted in 1- and 7-positions with benzhydryl-4-piperazinyl-1-alkane fragments. A method for obtaining 3-methyl-7-[4-(benzhydryl-4-piperazinyl-1)butyl]xanthine and the salts thereof with organic and inorganic acids by alkylating the 7-potassium salt of 3-methylxanthine by 1,4-dibromobutane, by subsequently interacting the thus formed 7-(4-bromobutyl)-3-methylxanthine with 1-benzhydrylpiperazinyl and by neutralising the thus obtained radical 7-/4-(4-benzhydrylpiperazinyl-1) butyl/-3-methylxanthine by an organic or inorganic acid is also disclosed.Type: ApplicationFiled: September 29, 2009Publication date: July 1, 2010Applicant: OOO 'FARMVING'Inventors: Robert G. Glushkov, Sergei D. Juzhakov, Olga S. Fominova, Nelli M. Sazonova, Elena M. Dolginova, Vadim A. Shorr, Mikhail V. Borovkov, Valentina V. Asnina
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Patent number: 7713982Abstract: 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: GrantFiled: February 10, 2005Date of Patent: May 11, 2010Assignee: Smithkline Beecham CorporationInventor: Ivan Leo Pinto
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Publication number: 20100016329Abstract: The present invention provides a pharmaceutical composition including a compound of 7-[2-[4-(2-chlorophenyl)piperazinyl]-ethyl]-1,3-dimethylxanthine (KMUP-1), wherein the compound is a Rho-kinase inhibitor, and the pharmaceutical composition inhibits a physiological activity of a lung epithelial cell.Type: ApplicationFiled: July 21, 2008Publication date: January 21, 2010Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventor: Ing-Jun Chen
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Patent number: 7645763Abstract: 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: GrantFiled: February 22, 2005Date of Patent: January 12, 2010Assignee: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas
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Patent number: 7569574Abstract: 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: GrantFiled: August 4, 2003Date of Patent: August 4, 2009Assignee: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Roland Maier, Frank Himmelsbach, Matthias Eckhardt, Elke Langkopf, Michael Mark, Ralf R. H. Lotz
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Patent number: 7569575Abstract: The invention relates to a novel strategy for the synthesis of Locked Nucleic Acid derivatives, such as ?-L-oxy-LNA, amino-LNA, ?-L-amino-LNA, thio-LNA, ?-L-thio-LNA, seleno-LNA and methylene LNA, which provides scalable high yielding reactions utilizing intermediates that also can produce other LNA analogues such as oxy-LNA. Also, the compounds of the formula X are important intermediates that may be reacted with varieties of nucleophiles leading to a wide variety of LNA analogues.Type: GrantFiled: May 8, 2003Date of Patent: August 4, 2009Assignee: Santaris Pharma A/SInventors: Mads Detlef Sørensen, Jesper Wengel, Troels Koch, Signe M. Christensen, Christoph Rosenbohm, Daniel Sejer Pedersen
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Patent number: 7560450Abstract: 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: GrantFiled: November 18, 2003Date of Patent: July 14, 2009Assignee: Boehringer Ingelheim Pharma GmbH & Co., KGInventors: Matthias Eckhardt, Frank Himmelsbach, Elke Langkopf, Roland Maier, Michael Mark, Mohammad Tadayyon
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Patent number: 7550455Abstract: 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: GrantFiled: November 2, 2004Date of Patent: June 23, 2009Assignee: Boehringer Ingelheim International GmbHInventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas
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8-[3-AMINO-PIPERIDIN-1-YL]-XANTHINES, THEIR PREPARATION AND THEIR USE AS PHARMACEUTICAL COMPOSITIONS
Publication number: 20090137801Abstract: 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: ApplicationFiled: January 27, 2009Publication date: May 28, 2009Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBHInventors: Frank HIMMELSBACH, Elke LANGKOPF, Matthias ECKHARDT, Mohammad TADAYYON, Leo THOMAS -
8-[3-amino-piperidin-1-yl]-xanthines, their preparation and their use as pharmaceutical compositions
Patent number: 7501426Abstract: 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: GrantFiled: February 17, 2005Date of Patent: March 10, 2009Assignee: Boehringer Ingelheim International GmbHInventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas