Tricyclo Ring System Having The Diazine Ring As One Of The Cyclos Patents (Class 544/344)
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Patent number: 11472805Abstract: The present invention is directed to compounds of Formula I: or a pharmaceutically acceptable salt thereof, wherein the substituents A, R1, R2, R3a, R3b, R4a, R4b and n are as defined herein. The inventions also directed to pharmaceutical compositions comprising the compounds, methods of treatment using the compounds and methods of preparing the compounds.Type: GrantFiled: June 9, 2016Date of Patent: October 18, 2022Assignee: PFIZER, INC.Inventors: Thomas Allen Chappie, Nandini Chaturbhai Patel, Patrick Robert Verhoest, Christopher John Helal, Simone Sciabola, Erik Alphie LaChapelle, Travis T. Wager, Ramalakshmi Yegna Chandrasekaran
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Patent number: 10392514Abstract: The present invention relates to storage-stable dye salts, solutions and compositions thereof a process for their preparation and their use for dyeing and/or printing substrates.Type: GrantFiled: March 27, 2015Date of Patent: August 27, 2019Assignee: Archroma IP GmbHInventor: Friedrich Lehr
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Patent number: 10035798Abstract: Disclosed is a preparation method for praziquantel and intermediates thereof. The method includes: obtaining a target product praziquantel by using ?-phenethylamine as an initial raw material through a condensation reaction with chloroacetyl chloride, a substitution reaction with ethanolamine, and an acylation reaction with cyclohexanecarbonyl chloride, followed by an oxidation reaction and cyclization reaction. Also disclosed are two key intermediates, namely, a compound of formula IV and a compound of formula V for preparing praziquantel. The preparation method is reasonable and simple in its technological design, uses moderate reaction conditions, and is economical and environmentally friendly. Additionally, the raw materials are inexpensive and easy to obtain, the key intermediates are easy to prepare, and the total reaction yield and purity of the obtained target compound praziquantel is high, so that industrialized mass production is easy to achieve.Type: GrantFiled: February 12, 2015Date of Patent: July 31, 2018Assignees: Zhejiang Hisun Pharmaceutical Co., Ltd., Shanghai Institute of Pharmaceutical IndustryInventors: Fuli Zhang, Zhezhou Yang, Rusheng Bao, Weiwei Xu, Hua Bai
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Patent number: 9932337Abstract: The present invention relates to methods for the production of enantiopure or enantioenriched Praziquantel precursors and to methods for the production of enantiopure or enantioenriched Praziquantel comprising the methods for the production of the Praziquantel precursors. The present invention further relates to compounds or intermediates useful in such methods.Type: GrantFiled: November 19, 2015Date of Patent: April 3, 2018Assignee: Merck Patent GmbHInventors: David Maillard, Andreas Waechtler, Jeremy Maurin, Ewgenij Wakaresko, Christian Jasper
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Patent number: 9802934Abstract: The present disclosure relates to a process and new intermediates for the synthesis of (R)-praziquantel, which is obtained through four steps in proper order, that is, condensation reaction, reduction reaction, acylation reaction and ring-closing reaction, using (1R)-2-substituted-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid as starting material. Overall, the present disclosure provides a (R)-praziquantel product with higher optical purity through a process route that is more cost effective and environmentally friendly.Type: GrantFiled: January 11, 2017Date of Patent: October 31, 2017Assignee: TONGLI BIOMEDICAL CO., LTD.Inventor: Mingxin Qian
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Patent number: 9711738Abstract: The design and synthesis of six nickel charge transfer (CT) complexes are described herein. The six nickel CT complexes have a nickel center, two organic ligands coordinated with the nickel center to form a dianionic square planar supramolecule and an organic counter-cation as represented by The ligands and counter-cations are selected to optimize properties, such as molecular alignment, film morphology, and molecular packaging. Described herein, the ligands can be 2,3-pyrazinedithiol (L1), 1,2-benzenedithol (L2) or 2,3-quinoxalinedithol (L3) and the counter-cations can be diquat (2,2?-ebpy) or methyl viologen (4,4?-mbpy). The six nickel CT complexes can also be utilized semiconductor devices, such as thin film transistors or inverters. Processes are also provided for the fabrication of semiconductors devices. The processes can include fabricating a substrate with a bilayer octadecylphosphonic acid (ODPA)/Al2O3 dielectric and applying one of the six nickel charge transfer (CT) complexes to the substrate.Type: GrantFiled: March 3, 2015Date of Patent: July 18, 2017Assignee: CITY UNIVERSITY OF HONG KONGInventors: Vellaisamy A. L. Roy, Zong-Xiang Xu, Paul Kim Ho Chu, Tat Kun Kwok
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Patent number: 9206179Abstract: This invention in one embodiment is directed to a compound of Formula Ia; where the designation (R) indicates that the designated carbon has the (R) stereochemistry; and wherein Z1 is hydrogen or fluorine; Z2 is hydrogen, deuterium, or fluorine; Z3 is deuterium; Z4 is fluorine; m is an integer from 0 to 10; n is an integer from 0 to 2; provided that: the sum of m+n does not exceed 10; and when both Z1 and Z2 are hydrogen, the sum of m+n is greater than 0, and pharmaceutically acceptable salts thereof. 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 that are beneficially treated by administering an antihelminthic agent, such as praziquantel.Type: GrantFiled: October 20, 2014Date of Patent: December 8, 2015Assignee: Concert Pharmaceuticals, Inc.Inventors: Julie F. Liu, Scott L. Harbeson, Roger D. Tung
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Patent number: 9199986Abstract: This invention relates to novel compounds that are pyrazinoisoquinoline derivatives of Formula I: and pharmaceutically acceptable salts thereof. More specifically, this invention relates to novel pyrazinoisoquinoline derivatives that are derivatives of praziquantel. 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 that are beneficially treated by administering an antihelminthic agent, such as praziquantel.Type: GrantFiled: September 18, 2013Date of Patent: December 1, 2015Assignee: Concert Pharmaceuticals, Inc.Inventors: Julie F. Liu, Scott L. Harbeson, Roger D. Tung
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Patent number: 9045483Abstract: According to the embodiments described herein, a methods for inhibiting small ubiquitin-like modifier enzymes in a cell are provided. Such methods may include administering certain substituted pyrrolo[2,3-b]-quinoxalines to the cell. In some aspects, the small ubiquitin-like modifier enzyme is SUMO E1 or SUMO E2. In some aspects, the methods may be used to inhibit a cancer cell in vitro (e.g., grown in culture) or in vivo (e.g., as part of a tumor in a subject). In other embodiments, methods for treating a cancer, degenerative diseases and viral infection are provided. Such methods may include administering an effective amount of a pharmaceutical composition to a subject having cancer. The pharmaceutical composition may include a small ubiquitin-like modifier inhibitor compound. In some embodiments, the method for treating a disease may further comprise administering one or more DNA-damaging therapy in combination with administration of the pharmaceutical composition.Type: GrantFiled: May 9, 2013Date of Patent: June 2, 2015Assignees: City of Hope, Sanford-Burnham Medical Research InstituteInventors: Yuan Chen, Yi-Jia Li, Daniela Divlianska, Ekaterina Bobkova, Greg Roth, Jun Pu, Pasha Khan
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Patent number: 9040508Abstract: The present invention relates to novel synthetic substituted heterocyclic compounds and pharmaceutical compositions containing the same that are capable of inhibiting or antagonizing a family of receptor tyrosine kinases, Tropomysosin Related Kinases (Trk), in particular the nerve growth factor (NGF) receptor, TrkA. The invention further concerns the use of such compounds in the treatment and/or prevention of pain, cancer, restenosis, atherosclerosis, psoriasis, thrombosis, or a disease, disorder or injury relating to dysmyelination or demyelination or the disease or disorder associated with abnormal activities of NGF receptor TrkA.Type: GrantFiled: December 8, 2009Date of Patent: May 26, 2015Assignee: VM Pharma LLCInventors: Jay Jie-Qiang Wu, Ling Wang
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Patent number: 9040536Abstract: The invention discloses quinoxaline derivatives or salts thereof having PDE9-inhibiting activity and being useful as treating agent of dysuria and the like, which are represented by the formula (I) in the formula, R1 and R2 each independently stands for hydrogen, halogen, alkyl, alkoxy, acyl, amino and the like, R3 stands for alkyl, aryl, saturated carbocyclic group, saturated heterocyclic group, acyl and the like, R4 stands for hydrogen, hydroxy, alkyl or amino, R5 and R8 each independently stands for hydrogen, halogen, alkyl, alkenyl, alkoxy, cyano or nitro, R6 and R7 each independently stands for hydrogen, halogen, alkyl, alkenyl, alkynyl, alkoxy, cyano, amino, carbocyclic group, heterocyclic group, COR9 or SO2R9, R9 stands for hydrogen, hydroxy, alkyl, amino, pyrrolidin-1-yl, piperidin-1-yl, pyperazin-1-yl or the like, X stands for S or O, and A1, A2 and A3 each independently stands for N or C.Type: GrantFiled: July 31, 2014Date of Patent: May 26, 2015Assignee: ASKA PHARMACEUTICAL CO., LTD.Inventors: Makoto Okada, Shuichiro Sato, Kenji Kawade, Kotaro Gotanda, Atsushi Shinbo, Youichi Nakano, Hideo Kobayashi
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Publication number: 20150141431Abstract: This invention in one embodiment is directed to a compound of Formula Ia; where the designation (R) indicates that the designated carbon has the (R) stereochemistry; and wherein Z1 is hydrogen or fluorine; Z2 is hydrogen, deuterium, or fluorine; Z3 is deuterium; Z4 is fluorine; m is an integer from 0 to 10; n is an integer from 0 to 2; provided that: the sum of m+n does not exceed 10; and when both Z1 and Z2 are hydrogen, the sum of m+n is greater than 0, and pharmaceutically acceptable salts thereof. 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 that are beneficially treated by administering an antihelminthic agent, such as praziquantel.Type: ApplicationFiled: October 20, 2014Publication date: May 21, 2015Applicant: Concert Pharmaceuticals, Inc.Inventors: Julie F. Liu, Scott L. Harbeson, Roger D. Tung
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Publication number: 20150094302Abstract: Alkylated piperazine compounds of Formula I are provided, including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk kinase, and for treating cancer mediated by Btk kinase. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, and treatment of cancer in mammalian cells, or associated pathological conditions, are disclosed.Type: ApplicationFiled: December 11, 2014Publication date: April 2, 2015Applicant: Genentech, Inc.Inventors: James John Crawford, Wendy B. Young
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Patent number: 8981096Abstract: The design and synthesis of six nickel charge transfer (CT) complexes are described herein. The six nickel CT complexes have a nickel center, two organic ligands coordinated with the nickel center to form a dianionic square planar supramolecule and an organic counter-cation as represented by The ligands and counter-cations are selected to optimize properties, such as molecular alignment, film morphology, and molecular packaging. Described herein, the ligands can be 2,3-pyrazinedithiol (L1), 1,2-benzenedithol (L2) or 2,3-quinoxalinedithol (L3) and the counter-cations can be diquat (2,2?-ebpy) or methyl viologen (4,4?-mbpy). The six nickel CT complexes can also be utilized semiconductor devices, such as thin film transistors or inverters. Processes are also provided for the fabrication of semiconductors devices. The processes can include fabricating a substrate with a bilayer octadecylphosphonic acid (ODPA)/Al2O3 dielectric and applying one of the six nickel charge transfer (CT) complexes to the substrate.Type: GrantFiled: April 29, 2011Date of Patent: March 17, 2015Assignee: City University of Hong KongInventors: Vellaisamy A. L. Roy, Zong-Xiang Xu, Paul Kim Ho Chu, Tat Kun Kwok
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Publication number: 20150065485Abstract: This invention provides compounds having antiviral activities especially inhibiting activity for influenza virus, more preferably provides substituted 3-hydroxy-4-pyridone derivatives having cap-dependent endonuclease inhibitory activity.Type: ApplicationFiled: November 7, 2014Publication date: March 5, 2015Inventors: Toshiyuki Akiyama, Kenji Takaya, Makoto Kawai, Yoshiyuki Taoda, Minako Mikamiyama, Kenji Morimoto, Chika Kageyama, Kenji Tomita, Hidenori Mikamiyama, Naoyuki Suzuki
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Publication number: 20150011461Abstract: Heteroaryl pyridone and aza-pyridone amide compounds of Formula I are provided, and various substituents including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk, and for treating cancer and immune disorders such as inflammation mediated by Btk. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, and treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.Type: ApplicationFiled: July 2, 2014Publication date: January 8, 2015Applicant: GENENTECH, INC.Inventors: James John Crawford, Wendy Lee, Wendy B. Young
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Publication number: 20140378432Abstract: Heteroaryl pyridone and aza-pyridone compounds are provided, including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk kinase, and for treating immune disorders such as inflammation mediated by Btk kinase. Methods of using heteroaryl pyridone and aza-pyridone compounds for in vitro, in situ, and in vivo diagnosis, and treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.Type: ApplicationFiled: September 8, 2014Publication date: December 25, 2014Inventors: James John Crawford, Daniel Fred Ortwine, BinQing Wei, Wendy B. Young
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Patent number: 8889687Abstract: This invention in one embodiment is directed to a compound of Formula Ia; where the designation (R) indicates that the designated carbon has the (R) stereochemistry; and wherein Z1 is hydrogen or fluorine; Z2 is hydrogen, deuterium, or fluorine; Z3 is deuterium; Z4 is fluorine; m is an integer from 0 to 10; n is an integer from 0 to 2; provided that: the sum of m+n does not exceed 10; and when both Z1 and Z2 are hydrogen, the sum of m+n is greater than 0, and pharmaceutically acceptable salts thereof. 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 that are beneficially treated by administering an antihelminthic agent, such as praziquantel.Type: GrantFiled: March 2, 2012Date of Patent: November 18, 2014Assignee: Concert Pharmaceuticals, Inc.Inventors: Julie F. Liu, Roger Tung, Scott L. Harbeson
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Publication number: 20140336197Abstract: The invention discloses quinoxaline derivatives or salts thereof having PDE9-inhibiting activity and being useful as treating agent of dysuria and the like, which are represented by the formula (I) in the formula, R1 and R2 each independently stands for hydrogen, halogen, alkyl, alkoxy, acyl, amino and the like, R3 stands for alkyl, aryl, saturated carbocyclic group, saturated heterocyclic group, acyl and the like, R4 stands for hydrogen, hydroxy, alkyl or amino, R5 and R8 each independently stands for hydrogen, halogen, alkyl, alkenyl, alkoxy, cyano or nitro, R6 and R7 each independently stands for hydrogen, halogen, alkyl, alkenyl, alkynyl, alkoxy, cyano, amino, carbocyclic group, heterocyclic group, COR9 or SO2R9, R9 stands for hydrogen, hydroxy, alkyl, amino, pyrrolidin-1-yl, piperidin-1-yl, pyperazin-1-yl or the like, X stands for S or O, and A1, A2 and A3 each independently stands for N or C.Type: ApplicationFiled: July 31, 2014Publication date: November 13, 2014Inventors: Makoto OKADA, Shuichiro SATO, Kenji KAWADE, Kotaro GOTANDA, Atsushi SHINBO, Youichi NAKANO, Hideo KOBAYASHI
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Publication number: 20140322229Abstract: The present document describes compounds of Formula I, pharmaceutical compositions comprising the same as well as methods of treating diseases such as a cancer, neurological disease, neurodegenerative disorder, stroke, traumatic brain injury, parasitic infection, inflammation or an autoimmune disease with said compounds.Type: ApplicationFiled: November 29, 2012Publication date: October 30, 2014Inventors: Zhaoyin Wang, Lianhai Li
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Publication number: 20140309213Abstract: This invention relates to compounds of Formula I-VI having the following general structure: Z1—Y1—(CH2)n1—R—(CH2)n2—Y2—Z2 wherein R is a 6-8 membered saturated heterocyclic ring having 2 Nitrogen atoms connected with —(CH2)n1— and —(CH2)n2—, respectively, and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.Type: ApplicationFiled: October 25, 2012Publication date: October 16, 2014Inventors: Shawn P. Walsh, Alexander Pasternak, Reynalda K. DeJesus, Haifeng Tang, Barbara Pio, Aurash Shahripour, Kevin M. Belyk, Harry R. Chobanian, Yan Guo, Jessica L. Frie, Zhi-Cai Shi, Helen Chen, Timothy A. Blizzard, Brian Cato
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Publication number: 20140200209Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.Type: ApplicationFiled: March 14, 2014Publication date: July 17, 2014Applicants: ViiV Healthcare Company, Shionogi & Co., Ltd.Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
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Patent number: 8779154Abstract: The invention relates to certain fused ring compounds, or pharmaceutically acceptable salts, solvates, clathrates, or prodrugs thereof, that are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.Type: GrantFiled: September 25, 2007Date of Patent: July 15, 2014Inventors: Qinglin Che, Nha Huu Vo, Shoujun Chen
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Patent number: 8772484Abstract: A simple process for producing v-coelenterazine compounds has been desired. Described is a process for producing a v-coelenterazine compound represented by general formula (II) comprising (1) the step of reacting a compound of general formula (VIII) with a methyltriphenylphosphonium salt in the presence of a base to give a compound represented by general formula (IX), (2) the step of performing a ring-closing metathesis reaction on any one selected from the group consisting of the compound represented by general formula (IX) and a compound of general formula (X) which is the compound of general formula (IX) wherein the amino is protected with R5, and then deprotecting R4 and, if any, R5 to give a v-coelenteramine compound represented by general formula (XIV), and (3) the step of reacting the compound of general formula (XIV) with a compound represented by general formula (XV) to give the compound of general formula (II).Type: GrantFiled: March 6, 2012Date of Patent: July 8, 2014Assignees: JNC Corporation, National University Corporation Tokyo Medical and Dental UniversityInventors: Satoshi Inouye, Yuiko Miura, Suguru Yoshida, Takamitsu Hosoya
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Patent number: 8754086Abstract: The disclosure describes compounds of formula I, wherein the wedged bonds, R1, R2, R3, R4, R5, R5a, R6, R7, R8, R9, R10, R11, R12, R13, R14, X and Y have meanings given in the description, and pharmaceutically-acceptable salts thereof; and methods of using such compounds useful in the treatment of cancer and conditions affected by inhibition of angiogenesis. Also provided, are processes for the preparation of formula I, by reacting formula I with other compounds; and processes for the preparation of a pharmaceutical formulation by bringing into association, a compound of formula I, with therapeutic agents and/or a pharmaceutically-acceptable adjuvant, diluent, or carrier.Type: GrantFiled: March 19, 2010Date of Patent: June 17, 2014Assignee: Everest Biosciences, Inc.Inventors: Jenny Persson, Rikard Larsson, Olov Sterner, Martin Johansson
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Patent number: 8754215Abstract: The present disclosure describes a novel, cost-effective process for preparation of a 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino-[2,1-a]isoquinoline derivatives. Specifically, it discloses a process for the preparation of the anthelmintic drug praziquantel through the use of a novel intermediate, 2-[(2,2-dimethoxyethyl)benzyl amino]-N-phenethylacetamide. This present disclosure also describes a novel crystalline form of 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline.Type: GrantFiled: June 12, 2013Date of Patent: June 17, 2014Assignee: Sequent Scientific LimitedInventors: Lingappa Balaya, Mahalinga Manjathuru, Yogeesh Derambala, Pejakala Kakrannaya Vasudeva, Thangavel Arulmoli
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Patent number: 8729072Abstract: Alkylated piperazine compounds of Formula I are provided, including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk kinase, and for treating immune disorders such as inflammation mediated by Btk kinase. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, and treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.Type: GrantFiled: November 2, 2012Date of Patent: May 20, 2014Assignee: F. Hoffman-La Roche AGInventors: James John Crawford, Wendy B. Young
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Patent number: 8716274Abstract: Heteroaryl pyridone and aza-pyridone compounds of Formula I are provided, where one or two of X1, X2, and X3 are N, and including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk kinase, and for treating immune disorders such as inflammation mediated by Btk kinase. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, and treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.Type: GrantFiled: November 2, 2012Date of Patent: May 6, 2014Assignee: Genentech, Inc.Inventors: James John Crawford, Daniel Fred Ortwine, BinQing Wei, Wendy B. Young
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Patent number: 8686144Abstract: The invention relates to the use of specific compounds of formula (I) and their pharmaceutically-acceptable salts: (Formula 1) (I) as a new family of protein kinase CK2 inhibitors; the invention also relates to the use of compounds of formula (I) for the preparation of pharmaceutical compositions for the prevention and/or treatment of disorders and/or diseases chosen amongst cancers; autoimmune and inflammatory diseases; infectious diseases; diabetes angiogenesis related disorders; retinopathies and cardiac hypertrophy.Type: GrantFiled: July 28, 2010Date of Patent: April 1, 2014Assignees: Commissariat a l'Energie Atomique et aux Energie Alternative, Institut National de la Sante et de la Recherche Medicale (INSERM), Institut Curie, Centre National de la Recherche ScientifiqueInventors: Claude Cochet, Renaud Prudent, Virginie Moucadel, Chi-Hung N'guyen
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Patent number: 8673915Abstract: A compound having the following formula (II) or a pharmacologically acceptable salt thereof is used as a P2X4 receptor antagonist: wherein each of R11 and R12 is hydrogen, C1-8 alkyl or the like; R13 is hydrogen, C1-8 alkyl or the like; R14 is hydrogen, C1-8 alkyl, C1-8 alkoxy, C1-8 alkyl having 1-3 halogens, C1-8 hydroxyalkyl, halogen, hydroxyl, nitro, cyano, amino, C1-8 alkylamino, benzenesulfonylamino optionally having a substituent, a heterocyclic group optionally having a substituent or the like; and the condensed ring consisting of W1 and the neighboring benzene ring is naphthalene, tetrahydronaphthalene, or indan ring.Type: GrantFiled: July 27, 2011Date of Patent: March 18, 2014Assignee: Nippon Chemiphar Co., Ltd.Inventors: Masatoshi Ushioda, Shogo Sakuma, Atsushi Tendo, Toshiyasu Imai, Kazuhide Inoue
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Publication number: 20140066449Abstract: Compounds of Formula (I): ?-x-? (I) and pharmaceutically acceptable salts and solvates thereof, wherein ?, x, and ? have the meanings as indicated in the specification, are useful for treating a disease or disorder characterised by pathologically proliferating cells, particularly cancer. Pharmaceutical compositions that contain the compounds and processes for preparing the compounds are also described.Type: ApplicationFiled: March 2, 2012Publication date: March 6, 2014Applicant: SABREPHARM LIMITEDInventor: John Charles Marshall Stewart
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Publication number: 20140057896Abstract: Pyridone and aza-pyridone compounds of Formula I are provided, including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk kinase, and for treating immune disorders such as inflammation mediated by Btk kinase. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, and treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.Type: ApplicationFiled: October 22, 2013Publication date: February 27, 2014Inventors: Antonio J.M. BARBOSA, Peter A. BLOMGREN, Kevin S. CURRIE, Ravi KRISHNAMOORTHY, Jeffrey E. KROPF, Seung H. LEE, Scott A. MITCHELL, Daniel ORTWINE, Aaron C. SCHMITT, Xiaojing WANG, Jianjun XU, Wendy YOUNG, Honglu ZHANG, Zhongdong ZHAO, Pavel E. ZHICHKIN
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Patent number: 8653079Abstract: The present invention is directed to pyrazolo[4,3-c]cinnolin-3-one compounds of formula (I) which are M1 receptor positive allosteric modulators and that are useful in the treatment of diseases in which the M1 receptor is involved, such as Alzheimer's disease, schizophrenia, pain or sleep disorders. The invention is also directed to pharmaceutical compositions comprising the compounds, and to the use of the compounds and compositions in the treatment of diseases mediated by the M1 receptor.Type: GrantFiled: December 11, 2012Date of Patent: February 18, 2014Assignee: Merck Sharp & Dohme Corp.Inventors: Douglas C. Beshore, Scott D. Kuduk
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Patent number: 8648076Abstract: The present invention concerns new compounds of formula (I), their process of preparation and their therapeutic use.Type: GrantFiled: July 26, 2006Date of Patent: February 11, 2014Assignee: Hybrigenics SAInventors: Philippe Guedat, Guillaume Boissy, Catherine Borg-Capra, Frédéric Colland, Laurent Daviet, Etienne Formstecher, Xavier Jacq, Jean-Christophe Rain, Rémi Delansorne, Stefania Vallese, Matteo Colombo
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Publication number: 20130296564Abstract: Herein we describe compositions and methods for the synthesis of [2.2.2]-diazabicyclic structures comprising a domino reaction sequence involving aldol condensation, alkene isomerization, and intramolecular hetero-Diels-Alder cycloaddition. Excellent diastereofacial control during the cycloaddition is enforced with a removable chiral phenyl aminal diketopiperazine substituent. The reaction sequence rapidly generates molecular complexity and is competent with both enolizable and non-enolizable aldehyde substrates. This method provides an efficient route to [2.2.2]-diazabicyclic structures, common to bioactive prenylated indole alkaloids such as the brevianamides and stephacidins.Type: ApplicationFiled: May 1, 2013Publication date: November 7, 2013Applicant: College of William and MaryInventor: Jonathan R. Scheerer
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Publication number: 20130289041Abstract: Disclosed herein are compounds of formula (I) and methods of inhibiting IKK? and the NF-?B signaling and mTOR pathways.Type: ApplicationFiled: November 22, 2011Publication date: October 31, 2013Applicant: BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKAInventors: Amarnath Natarajan, Qianyi Chen, Vashti C. Bryant, Rajkumar Rajule
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Publication number: 20130289275Abstract: The present disclosure describes a novel, cost-effective process for preparation of a 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino-[2,1-a]isoquinoline derivatives. Specifically, it discloses a process for the preparation of the anthelmintic drug praziquantel through the use of a novel intermediate, 2-[(2,2-dimethoxyethyl)benzyl amino]-N-phenethylacetamide. This present disclosure also describes a novel crystalline form of 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline.Type: ApplicationFiled: June 12, 2013Publication date: October 31, 2013Inventors: Lingappa BALAYA, Mahalinga MANJATHURU, Yogeesh DERAMBALA, Pejakala Kakrannaya VASUDEVA, Thangavel ARULMOLI
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Publication number: 20130281664Abstract: The present invention relates to novel Ruthenium catalysts and related borohydride complexes, and the use of such catalysts, inter alia, for (1) hydrogenation of amides (including polyamides) to alcohols and amines; (2) preparing amides from alcohols with amines (including the preparation of polyamides (e.g., polypeptides) by reacting dialcohols and diamines and/or by polymerization of amino alcohols); (3) hydrogenation of esters to alcohols (including hydrogenation of cyclic esters (lactones) or cyclic di-esters (di-lactones) or polyesters); (4) hydrogenation of organic carbonates (including polycarbonates) to alcohols and hydrogenation of carbamates (including polycarbamates) or urea derivatives to alcohols and amines; (5) dehydrogenative coupling of alcohols to esters; (6) hydrogenation of secondary alcohols to ketones; (7) amidation of esters (i.e.Type: ApplicationFiled: October 11, 2011Publication date: October 24, 2013Inventors: David Milstein, Ekambaram Balaraman, Chidambaram Gunanathan, Boopathy Gnanaprakasam, Jing Zhang
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Patent number: 8557876Abstract: The present invention relates to novel pyrimidine derivatives and their use in perfume compositions. The novel pyrimidine derivatives of the present invention are represented by the following formula: wherein m and n are integers that when m is 0, n is 1; when m is 1, n is 0 or 1; or when m is 2, n is 0; wherein (CH)m and (CH)n are each independently optionally substituted with a substituent selected from the group consisting of methyl and ethyl; wherein X is selected from the group consisting of N, O, and S; and wherein R1 and R2 each independently represent H or a hydrocarbon group, or R1 and R2 together represent a fused ring or a ring system, with the proviso that when R1 is H, R2 is not H.Type: GrantFiled: July 3, 2012Date of Patent: October 15, 2013Assignee: International Flavors & Fragrances Inc.Inventors: Robert P. Belko, Paul D. Jones, Anthony T. Levorse, Jr., Michael G. Monteleone, Anubhav P. S. Narula, Franc T. Schiet
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Publication number: 20130225572Abstract: The invention discloses quinoxaline derivatives or salts thereof having PDE9-inhibiting activity and being useful as treating agent of dysuria and the like, which are represented by the formula (I) in the formula, R1 and R2 each independently stands for hydrogen, halogen, alkyl, alkoxy, acyl, amino and the like, R3 stands for alkyl, aryl, saturated carbocyclic group, saturated heterocyclic group, acyl and the like, R4 stands for hydrogen, hydroxy, alkyl or amino, R5 and R8 each independently stands for hydrogen, halogen, alkyl, alkenyl, alkoxy, cyano or nitro, R6 and R7 each independently stands for hydrogen, halogen, alkyl, alkenyl, alkynyl, alkoxy, cyano, amino, carbocyclic group, heterocyclic group, COR9 or SO2R9, R9 stands for hydrogen, hydroxy, alkyl, amino, pyrrolidin-1-yl, piperidin-1-yl, pyperazin-1-yl or the like, X stands for S or O, and A1, A2 and A3 each independently stands for N or C.Type: ApplicationFiled: September 14, 2012Publication date: August 29, 2013Inventors: Makoto OKADA, Shuichiro SATO, Kenji KAWADE, Kotaro GOTANDA, Atsushi SHINBO, Youichi NAKANO, Hideo KOBAYASHI
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Patent number: 8513241Abstract: Compounds which are 3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one derivatives or pharmaceutically acceptable salts thereof, their preparation process and pharmaceutical compositions comprising them are disclosed; these compounds are useful in the treatment of diseases caused by and/or associated with an altered protein kinase activity such as cancer, viral infection, prevention of AIDS development in HIV-infected individuals, cell proliferative disorders, autoimmune and neurodegenerative disorders; also disclosed is a process under Solid Phase Synthesis conditions for preparing the compounds of the invention and chemical libraries comprising a plurality of them.Type: GrantFiled: May 29, 2012Date of Patent: August 20, 2013Assignee: Nerviano Medical Sciences S.r.l.Inventors: Giovanni Cervi, Matteo D'Anello, Gianluca Mariano Enrico Papeo, Barbara Salom
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Publication number: 20130178625Abstract: A compound having the following formula (II) or a pharmacologically acceptable salt thereof is used as a P2X4 receptor antagonist: wherein each of R11 and R12 is hydrogen, C1-8 alkyl or the like; R13 is hydrogen, C1-8 alkyl or the like; R14 is hydrogen, C1-8 alkyl, C1-8 alkoxy, C1-8 alkyl having 1-3 halogens, C1-8 hydroxyalkyl, halogen, hydroxyl, nitro, cyano, amino, C1-8 alkylamino, benzenesulfonylamino optionally having a substituent, a heterocyclic group optionally having a substituent or the like; and the condensed ring consisting of W1 and the neighboring benzene ring is naphthalene, tetrahydronaphthalene, or indan ring.Type: ApplicationFiled: July 27, 2011Publication date: July 11, 2013Applicant: NIPPON CHEMIPHAR CO., LTD.Inventors: Masatoshi Ushioda, Shogo Sakuma, Atsushi Tendo, Toshiyasu Imai, Kazuhide Inoue
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Publication number: 20130156761Abstract: The present invention includes compositions that are useful in preventing or treating metastasis in a subject diagnosed with cancer. The present invention also includes methods of preventing or treating metastasis in a subject diagnosed with cancer, wherein the method comprises administering to the subject in need thereof an effective amount of a pharmaceutical formulation comprising at least one pharmaceutically acceptable carrier and at least one CX3CR1 or fractalkine antagonist.Type: ApplicationFiled: February 25, 2013Publication date: June 20, 2013Applicants: Alliance Discovery, Inc., Philadelphia Health & Education Corporation d/b/a Drexel University College of MedicineInventors: Philadelphia Health & Education Corporation d/b/a Drexel University College of Medicine, Alliance Discovery, Inc.
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Publication number: 20130116245Abstract: Alkylated piperazine compounds of Formula I are provided, including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk kinase, and for treating immune disorders such as inflammation mediated by Btk kinase. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, and treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.Type: ApplicationFiled: November 2, 2012Publication date: May 9, 2013Applicant: GENENTECH, INC.Inventor: Genentech, Inc.
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Publication number: 20130116262Abstract: Bicyclic piperazine compounds of Formula I are provided, including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk kinase, and for treating immune disorders such as inflammation mediated by Btk kinase. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, and treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.Type: ApplicationFiled: November 2, 2012Publication date: May 9, 2013Applicant: GENENTECH, INC.Inventor: Genentech, Inc.
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Publication number: 20130116235Abstract: Heteroaryl pyridone and aza-pyridone compounds of Formula I are provided, where one or two of X1, X2, and X3 are N, and including stereoisomers, tautomers, and pharmaceutically acceptable salts thereof, useful for inhibiting Btk kinase, and for treating immune disorders such as inflammation mediated by Btk kinase. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, and treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.Type: ApplicationFiled: November 2, 2012Publication date: May 9, 2013Applicant: GENENTECH, INC.Inventor: Genentech, Inc.
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Publication number: 20130109679Abstract: Disclosed are novel compounds which inhibit RSK, methods of making such compounds and pharmaceutical compositions comprising such compounds. Also disclosed are methods of treating RSK2 regulated disorders using compounds of the invention.Type: ApplicationFiled: November 30, 2010Publication date: May 2, 2013Inventors: Stephen James Boyer, Donghong Amy Gao, Xin Guo, Thomas Martin Kirrane, JR., Christopher Ronald Sarko, Roger John Snow, Fariba Soleymanzadeh, Yunlong Zhang
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Patent number: 8420646Abstract: The present invention is directed to tricyclic tetrahydroquinoline compounds of formula I, and pharmaceutically acceptable salts thereof wherein the variables R1, R2, R3, R4, R5, R20 and X are as described herein and to pharmaceutical compositions thereof, that exhibit useful antibacterial activity against a wide range of human and veterinary pathogens.Type: GrantFiled: December 20, 2010Date of Patent: April 16, 2013Assignee: PAH P&U LLCInventors: Michael Robert Barbachyn, Paul Joseph Dobrowolski, Alexander Ross Hurd, Dennis Joseph McNamara, John Raymond Palmer, Arthur Glenn Romero, J. Craig Ruble, Debra Ann Sherry, Lisa Marie Thomasco, Peter Laurence Toogood
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Publication number: 20130029997Abstract: This invention in one embodiment is directed to a compound of Formula Ia; where the designation (R) indicates that the designated carbon has the (R) stereochemistry; and wherein Z1 is hydrogen or fluorine; Z2 is hydrogen, deuterium, or fluorine; Z3 is deuterium; Z4 is fluorine; m is an integer from 0 to 10; n is an integer from 0 to 2; provided that: the sum of m+n does not exceed 10; and when both Z1 and Z2 are hydrogen, the sum of m+n is greater than 0, and pharmaceutically acceptable salts thereof. 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 that are beneficially treated by administering an antihelminthic agent, such as praziquantel.Type: ApplicationFiled: March 2, 2012Publication date: January 31, 2013Applicant: Concert Pharmaceuticals, Inc.Inventors: Julie F. Liu, Roger Tung, Scott L. Harbeson
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Patent number: 8309734Abstract: This invention relates to novel phenyl amide or pyridyl amide derivatives of the formula wherein A1, A2, B1, B2 and R1 to R11 are as defined in the description and in the claims, as well as pharmaceutically acceptable salts thereof. These compounds are GPBAR1 agonists and can be used as medicaments for the treatment of diseases such as type II diabetes.Type: GrantFiled: October 19, 2009Date of Patent: November 13, 2012Assignee: Hoffmann-La Roche Inc.Inventors: Caterina Bissantz, Henrietta Dehmlow, Rainer E. Martin, Ulrike Obst Sander, Hans Richter, Christoph Ullmer