Tricyclo Ring System Having The 1,2-diazine Ring As One Of The Cyclos Patents (Class 544/234)
  • Patent number: 6528649
    Abstract: Disclosed are compounds of the formula: and the pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein n, R1, R2, R3, W, Q, and X are defined herein, which compounds bind with high selectivity and high affinity to the benzodiazepine site of the GABAA receptors and are therefore useful in the treatment of certain central nervous system (CNS) diseases and as probes for the localization of GABAA receptors in tissue samples.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: March 4, 2003
    Assignee: Neurogen Corporation
    Inventors: Guolin Cai, Kenneth Shaw
  • Patent number: 6525055
    Abstract: Tricyclic phthalazine compounds of formula (I) wherein A is a 5-7 membered heterocycle containing from 1 to 4 nitrogen atoms, optionally partially or totally unsaturated, and optionally substituted by a (C1-4)alkyl group in turn optionally substituted; Z is NH, methylene, a C2-6 alkylene chain optionally branched and/or unsaturated and/or interrupted by a C5-7 cycloalkyl residue; Cy is phenyl or heterocycle optionally substituted by one or more substituents, or a COR4 group wherein R4 is hydroxy, alkoxy, amino optionally substituted by one or two (C1-6)alkyl groups or by hydroxy; R is a (C1-6)alkyl or polyfluoro(C1-6)alkyl group; R1 is hydrogen; a (C1-8)-alkyl, (C2-8)-alkenyl or (C2-8)-alkynyl group optionally substituted by hydroxy, oxo, aryl or heterocycle, and optionally interrupted by one or more heteroatoms or heterogroups; a (C1-4)alkoxy group or a (C4-7)cycloalkoxy group optionally containing an oxygen atom and optionally substituted by a polar substituent in the cyclic moiety, arylox
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: February 25, 2003
    Assignee: Zambon Group S.p.A.
    Inventors: Mauro Napoletano, Gabriele Norcini, Franco Pellacini, Gabriele Morazzoni
  • Publication number: 20020187983
    Abstract: Methods of preparing compounds of Formula I 1
    Type: Application
    Filed: May 14, 2002
    Publication date: December 12, 2002
    Applicant: Wyeth
    Inventors: Anita W. Chan, Timothy T. Curran, Silvio Iera, Warren Chew, John H. Sellstedt, Galina Vid, Gregg Feigelson, Zhixian Ding
  • Publication number: 20020183326
    Abstract: Heterocyclic compounds of formula (I), 1
    Type: Application
    Filed: January 8, 2002
    Publication date: December 5, 2002
    Applicant: ALMIRALL PRODESFARMA, S.A.
    Inventors: Jordi Gracia Ferrer, M. Isabel Crespo Crespo, Armando Vega Noverola, Andres Fernandez Garcia
  • Publication number: 20020165203
    Abstract: N-Heterocyclic derivatives of the formula (I): 1
    Type: Application
    Filed: April 12, 2002
    Publication date: November 7, 2002
    Applicant: Berlex Laboratories, Inc.
    Inventors: Damian O. Arnaiz, John J. Baldwin, David D. Davey, James J. Devlin, Roland Ellwood Dolle, Shawn David Erickson, Kirk McMillan, Michael M. Morrissey, Michael H. J. Ohlmeyer, Gonghua Pan, Vidyadhar Madhav Paradkar, John Parkinson, Gary B. Phillips, Bin Ye, Zuchun Zhao
  • Publication number: 20020164287
    Abstract: Novel azo compounds and their bioconjugates for phototherapy and/or photodiagnosis of tumors and other lesions. The azo derivatives of the present invention are designed to absorb at the low-energy ultraviolet, visible, or near-infrared (NIR) region of the electromagnetic spectrum. The phototherapeutic effect is caused by direct interaction of free radicals, the reactive intermediate produced upon photoexcitation of the azo compound, with the tissue of interest.
    Type: Application
    Filed: May 4, 2001
    Publication date: November 7, 2002
    Applicant: MALLINCKRODT INC.
    Inventors: Raghavan Rajagopalan, Gary L. Cantrell, Joseph E. Bugaj, Samuel I. Achilefu, Richard B. Dorshow
  • Patent number: 6465462
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof are useful in enhancing cognition.
    Type: Grant
    Filed: January 14, 1999
    Date of Patent: October 15, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: William Robert Carling, Angus Murray MacLeod, Ruth McKernan, Austin John Reeve, Francine Sternfeld, Leslie Joseph Street
  • Patent number: 6458802
    Abstract: Compounds of the formula: are useful for the treatment of depression (including but not limited to major depressive disorder, childhood depression and dysthymia), anxiety, panic disorder, post-traumatic stress disorder, premenstrual dysphoric disorder (also known as pre-menstrual syndrome), attention deficit disorder (with and without hyperactivity), obsessive compulsive disorder, social anxiety disorder, generalized anxiety disorder, obesity, eating disorders such as anorexia nervosa, bulimia nervosa, vasomotor flushing, cocaine and alcohol addiction, sexual dysfunction and related illnesses.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: October 1, 2002
    Assignee: Wyeth
    Inventors: Megan Tran, Gary P. Stack
  • Patent number: 6451795
    Abstract: 4-Oxo-3,5-dihydro-4H-pyridazino[4,5-b]indole-1-carboxamide derivatives having affinity for the peripheral benzodiazepine receptors are useful for the prevention or treatment of peripheral neuropathies and for the treatment of central neurogenerative diseases.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: September 17, 2002
    Assignee: Sanofi-Synthelabo
    Inventors: Frank Marguet, Jacques Froissant, Régine Bartsch-Li, Benoît Marabout, Mireille Sevrin
  • Patent number: 6448249
    Abstract: A substituted triazolopyridazine derivative, its use in cognition enhancement therapy, compositions containing it and processes for its manufacture.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: September 10, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: William Robert Carling, Tamara Ladduwahetty, Angus Murray MacLeod, Kevin John Merchant, Kevin William Moore, Francine Sternfeld, Leslie Joseph Street
  • Publication number: 20020119975
    Abstract: Disclosed are novel compounds of formula (I): 1
    Type: Application
    Filed: August 2, 2001
    Publication date: August 29, 2002
    Inventors: Roger John Snow, Donghong A. Gao, Daniel R. Goldberg, Abdelhakim Hammach, Daniel Kuzmich, Tina Marie Morwick, Neil Moss, Anthony S. Prokopowicz, Robert D. Selliah, Hidenori Takahashi
  • Patent number: 6441167
    Abstract: This invention relates to novel compounds that can complex with lanthanide cations, processes for their preparation and the use of the resulting lanthanide chelates as biomolecular probes.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: August 27, 2002
    Assignee: SmithKline Beecham plc
    Inventors: Colin Andrew Leach, Keith James Millan Moore, Steven James Stanway
  • Patent number: 6429311
    Abstract: The present invention is directed to certain N-amino- and N-hydroxy-quinazolinone compounds and synthetic methods for synthesis thereof, which compounds may find use in combinatorial libraries. More specifically, the invention is directed to the synthesis of 3-hydroxy- and 3-amino-4 (1H)-quinazolinones via the reaction of an appropriate 2-aminobenzamide compound with a carboxylic acid or acyl halide at ambient temperature performed on a solid support or in solution.
    Type: Grant
    Filed: February 1, 2001
    Date of Patent: August 6, 2002
    Assignee: Sepracor Inc.
    Inventor: Yun Gao
  • Patent number: 6423716
    Abstract: The present invention relates to nitrogen-containing heterocyclic compounds represented by formula (I): wherein W represents 1,4-piperazinediyl, etc.; U represents NR1R2 (wherein R1 represents a hydrogen atom, a substituted or unsubstituted alkyl group, etc.; and R2 represents a hydrogen atom, etc. ), OR4, or SR5; V represents an oxygen atom, a sulfur atom, N—R6, or CR7R8, at least one of X, Y and Z represents a nitrogen atom, and the others are the same or different, and each represents a nitrogen atom or C—RA; and D1, D2, D3 and D4 each independently represent C—RB, a nitrogen atom, an oxygen atom, a sulfur atom, etc., optional adjoining two among D1 to D4 are combined to represent a nitrogen atom, N—R2A, an oxygen atom, a sulfur atom, etc.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: July 23, 2002
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Kenji Matsuno, Yuji Nomoto, Michio Ichimura, Shin-ichi Ide, Shoji Oda
  • Patent number: 6407108
    Abstract: Heterocyclic compounds of formula(I), wherein R1 represents a hydrogen atom or a —(CH2)m—Y group, wherein m is an integer from 0 to 4 and Y represents an alkyl, haloalkyl, alkoxy, alkoxycarbonyl, C3-C7 cycloalkyl, norbornyl or phenylalkenyl group, or an aromatic group which aromatic group {circumflex over ( )} may optionally be substituted by one or more halogen atoms; R2 represents an aromatic group which aromatic group may optionally be substituted by one or more halogen atoms or alkyl, alkoxy, C3-C6 cycloalkoxy, methylenedioxy, nitro, dialkylamino or trifluoromethyl groups, and R3 represents a hydrogen or halogen atom or an alkyl group, and pharmaceutically acceptable salts thereof, processes for preparing the same are disclosed herein. The compounds are phosphodiesterase 4 inhibitors.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: June 18, 2002
    Assignee: Almirall Prodesfarma, S.A.
    Inventors: Jordi Gracia Ferrer, Ma Isabel Crespo Crespo, Armando Vega Noverola, Andres Fernandez Garcia
  • Patent number: 6380193
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt, hydrate, ester, solvate, prodrug, metabolite, stereoisomer, or mixtures thereof.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: April 30, 2002
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Publication number: 20020045623
    Abstract: This invention provides novel caspase inhibitors of formula I: 1
    Type: Application
    Filed: June 7, 2001
    Publication date: April 18, 2002
    Inventors: Jean-Damien Charrier, Guy Brenchley
  • Patent number: 6365598
    Abstract: A chemical compound of formula (I), wherein R1 to R3 are independently selected from hydrogen and alkyl; R4 is selected from hydrogen, alkyl, alkoxy, formyl and cyano; X1 is selected from N and C—R7; X2 is selected from N and C—R8; X3 is selected from N and C—R9; X4 is selected from N and C—R10; wherein at least one of X1, X2, X3 and X4 is N; and R5 to R10 are independently selected from hydrogen, halogen, hydroxy, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, alkylsulfoxyl, alkylsulfonyl, arylsulfoxyl, arylsulfonyl, amino, monoalkylamino, dialkylamino, nitro, cyano, carboxaldehyde, alkylcarbonyl, arylcarbonyl, aminocarbonyl, monoalkylaminocarbonyl, dialkylaminocarbonyl, alkoxycarbonylamino, aminocarbonyloxy, monoalkylaminocarbonyloxy, dialkylaminocarbonyloxy, monoalkylaminocarbonylamino and dialkylaminocarbonylamino, and the use thereof in therapy, particularly for the treatment of disorders of the central nervous system; damage to the central nervous system; card
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: April 2, 2002
    Assignee: Vernalis Research Limited
    Inventors: David Reginald Adams, Jonathan Mark Bentley, Jonathan Richard Anthony Roffey, Corinna Dagmar Bodkin, Howard Langham Mansell, Ashley Roger George, Ian Anthony Cliffe
  • Publication number: 20020028815
    Abstract: The present invention is directed to novel multicyclic molecules that mediate enzymatic activity. In particular, the compounds may be effective in the treatment of diseases or disease states related to the activity of PARP, VEGFR2, and MLK3 enzymes, including, for example, neurodegenerative diseases, inflammation, ischemia, and cancer.
    Type: Application
    Filed: May 8, 2001
    Publication date: March 7, 2002
    Inventors: Mark A. Ator, Ron Bihovsky, Sankar Chatterjee, Derek Dunn, Robert L. Hudkins
  • Publication number: 20020025959
    Abstract: The present invention provides a compound of formula I 1
    Type: Application
    Filed: June 22, 2001
    Publication date: February 28, 2002
    Inventors: David John Anderson, Thomas J. Beauchamp, Gordon L. Bundy, Fred L. Ciske, John R. Farrell, David R. Graber, Michael J. Genin, Thomas M. Judge, Malcolm Wilson Moon, Mark E. Schnute, Joseph Walter Strohbach, Suvit Thaisrivongs, Atli Thorarensen, Steven Robert Turner, Valerie A. Vaillancourt, Allison J. Wolf
  • Patent number: 6348463
    Abstract: Phenylalanine derivatives of formula (1) are described: in which: Ar1 is an aromatic or heteroaromatic group; L1 is a linker atom or group; R is a carboxylic acid or a derivative thereof; Ar2 is an optionally substituted aromatic or heteroaromatic group; and the salts, solvates, hydrates and N-oxides thereof. The compounds are able to inhibit the binding of &agr;4 integrins to their ligands and are of use in the prophylaxis and treatment of immune or inflammatory disorders.
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: February 19, 2002
    Assignee: Celltech Therapeutics Limited
    Inventors: John Clifford Head, John Robert Porter, Graham John Warrellow, Sarah Catherine Archibald, Brian Woodside Hutchinson
  • Patent number: 6331640
    Abstract: A compound of formula 1a which is useful for treating reperfusion injury, and salts, prodrugs, and related compounds.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: December 18, 2001
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Nader Fotouhi, Paul Gillespie, Robert William Guthrie, Sherrie Lynn Pietranico-Cole, Weiya Yun
  • Patent number: 6329372
    Abstract: Phenylalanine derivatives of formula (1) are described: wherein R is a carboxylic acid or a derivative thereof; L1 is a linker atom or group; Het is an optionally substituted heteroaromatic group; and the salts, solvates, hydrates and N-oxides thereof. The compounds are able to inhibit the binding of alpha4 integrins to their ligands and are of use in the prophylaxis and treatment of immune or inflammatory disorders.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: December 11, 2001
    Assignee: Celltech Therapeutics Limited
    Inventors: John Clifford Head, Sarah Catherine Archibald, Graham John Warrellow, John Robert Porter
  • Publication number: 20010049439
    Abstract: There is disclosed 3-(5-methylisoxazol-3-yl)-6-(1-methyl-1,2,3-triazol-4-yl)methyloxy-1,2,4-triazolo[3,4-a]phthalazine in the form of a dihydrate, a dehydrate of the dihydrate and a pentahydrate, pharmaceutical compositions comprising the forms, the use of the forms for enhancing cognition, processes for producing the forms, their incorporation in pharmaceutical compositions comprising pamoate ions and the use of such ions for solubilizing neutral molecules.
    Type: Application
    Filed: November 30, 2000
    Publication date: December 6, 2001
    Applicant: Merck & Co., Inc.
    Inventors: Michael J. Kaufman, James A. McCauley, Daniel J. Rush, David M. Tschaen, Richard J. Varsolona, Guo-Jie Ho
  • Patent number: 6316438
    Abstract: Compounds of the formula are useful as inhibitors of cGMP PDE especially Type 5.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: November 13, 2001
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Guixue Yu, John Macor, Soojin Kim, Hyei-Jha Chung, Michael Humora, Kishta Katipally, Yizhe Wang
  • Patent number: 6313125
    Abstract: 1,2,4-triazolo[4,3-b]pyridazine derivatives are ligands for GABAA receptors useful in the treatment of disorders of dementing illnesses.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: November 6, 2001
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: William Robert Carling, Kevin William Moore, Austin John Reeve
  • Patent number: 6310203
    Abstract: Substituted 1,2,4-Triazolo[3,4-A]phthalazine derivatives that are GABA Alpha 5 ligands are prepared from compounds represented by the formula: in which R1 is hydrogen, halogen, CF3, OCF3, CN or an optionally substituted C1-4alkyl, C2-4alkenyl, C2-4alkynyl, C1-4alkoxy, C2-4alkenyloxy or C2-4alkynyloxy group; R2 is hydrogen, halogen, CF3, OCF3, CN or an optionally substituted C1-4alkyl, C2-4alkenyl, C2-4alkynyl, C1-4alkoxy, C2-4alkenyloxy or C2-4alkynyloxy group; Z is an optionally substituted 5-membered or 6-membered heteroaromatic ring; and G is a leaving group.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: October 30, 2001
    Assignee: Merck Sharpe & Dohme Limited
    Inventors: William Robert Carling, Tamara Ladduwahetty, Angus Murray MacLeod, Kevin John Merchant, Kevin William Moore, Francine Sternfeld, Leslie Joseph Street
  • Patent number: 6297252
    Abstract: Disclosed are compounds of compounds of the formula: or the pharmaceutically acceptable nontoxic salts thereof wherein: X is oxygen, H2 or sulfur Y is hydrogen, or optionally substituted alkyl, alkenyl, (substituted)arylalkyl, aryl or heteroaryl, or a carbonyl group substituted with alkyl, cycloalkyl, aryl, or amino groups; W is alkyl, arylalkyl or heteroarylalkyl, where each aryl group is optionally substituted with up to two groups; or W is aryl, thienyl, pyridyl or heteroaryl, each of which is optionally substituted; and Z1, Z2, Z3, and Z4 independently represent nitrogen or C—R1 where R1 is hydrogen, halogen, hydroxy, amino, or phenyl or pyridyl optionally mono- or independently disubstituted with halogen, hydroxy, lower alkyl, or lower alkoxy, which compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists or inverse agonists for GABAa brain receptors.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: October 2, 2001
    Assignee: Neurogen Corporation
    Inventors: Paul Chen, Alan Hutchison, Guolin Cai
  • Patent number: 6288185
    Abstract: Initiators for free-radical addition polymerization comprising as structural feature the Diels-Alder adduct of an azo group (—N═N—) with a conjugated double bond (diene).
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: September 11, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Königer, Reinhold Schwalm, Roman Benedikt Raether
  • Patent number: 6262045
    Abstract: Compounds of general formula (I) in which X represents a hydrogen or halogen atom or a methyl, methoxy or phenylmethoxy group, Y represents a hydrogen atom, 1 or 2 halogen atoms or a hydroxyl, methoxy, nitro or methyl group, R1 represents a hydrogen atom or a (C1-C4)alkyl group, R2 and R3 each represent a hydrogen atom, a (C1-C4)alkyl group or a phenylmethyl group or else R2 and R3 form, with the nitrogen atom which carries them, an azetidinyl, pyrrolidinyl, 3-ethoxypyrrolidinyl, piperidinyl, morpholinyl, 4-methylpiperazinyl or 1,3-thiazolidinyl group. Application in therapeutics.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: July 17, 2001
    Assignee: Sanofi-Synthelabo
    Inventors: Yannick Evanno, Laurent Dubois, Mireille Sevrin, Frank Marguet, Jacques Froissant, Régine Bartsch, Catherine Gille
  • Publication number: 20010007869
    Abstract: The invention relates to alpha-substituted pyridazino-quinoline compounds of the formula I: 1
    Type: Application
    Filed: November 16, 1998
    Publication date: July 12, 2001
    Inventors: THOMAS MICHAEL BARE, JAMES ROY EMPFIELD, JANET MARIE FORST, KEITH JOHN HERZOG, RICHARD BRUCE SPARKS
  • Patent number: 6255305
    Abstract: Substituted triazolo-pyridazine derivative compounds represented by wherein the variables are disclosed herein are selective ligands for GABA-A receptors, particularly for the &agr;2 and/or &agr;3 subunits.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: July 3, 2001
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Howard Barff Broughton, William Robert Carling, Jose Luis Castro Pineiro, Alexander Richard Guiblin, Andrew Madin, Kevin William Moore, Michael Geoffrey Russell, Leslie Joseph Street
  • Patent number: 6232313
    Abstract: The present invention relates to compounds, pharmaceutical compositions and methods of using compounds having the formula below in the treatment and prevention of certain diseases or conditions. Where the ring designated A is chosen from ortho substituted aryl or heteroaryl species, R1 and R2 are chosen independently from —(CH2)nL where L is selected from a variety of substituents including hydrogen, and aryl, heteroaryl or heterocyclic groups and R4 is chosen from a variety of substituents including halogen and alkyl groups. The compounds are useful in treating and preventing neurological disorders associated with excitatory amino acids.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: May 15, 2001
    Assignee: Zeneca Limited
    Inventors: Thomas Michael Bare, Timothy Wayne Davenport, James Roy Empfield, Jeffrey Alan McKinney, Richard Bruce Sparks
  • Patent number: 6214826
    Abstract: The invention relates to pyridazinoquinoline compounds of the formulas B and B′ wherein Ring A is selected from an ortho fused aromatic or heteroaromatic five- or six-membered ring and R1, R3 and R4 are substituents selected from halo, OH, OCF3, NO2, CN, NR′R″, SO2NR′R″, SOmR′alkyl, and a variety of alkyl, aryl, heterocyclic and heteroaryl groups, to pharmaceutical compositions containing them and to methods utilizing them for the treatment of neurological disorders.
    Type: Grant
    Filed: August 2, 1999
    Date of Patent: April 10, 2001
    Assignee: Zeneca Limited
    Inventors: Thomas Michael Bare, Marc Jerome Chapdelaine, Timothy Wayne Davenport, James Roy Empfield, Laura Enid Garcia-Davenport, Paul Francis Jackson, Jeffrey Alan McKinney, Charles David McLaren, Richard Bruce Sparks
  • Patent number: 6200975
    Abstract: Substituted 1,2,4-Triazolo[3,4-A]phthalazine derivatives are GABA Alpha 5 ligands and are represented by the formula
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: March 13, 2001
    Assignee: Merck Sharp & Dohme Limited
    Inventors: William Robert Carling, Tamara Ladduwahetty, Angus Murray MacLeod, Kevin John Merchant, Kevin William Moore, Francine Sternfeld, Leslie Joseph Street
  • Patent number: 6184377
    Abstract: The present invention is directed to certain N-amino- and N-hydroxy-quinazolinone compounds and synthetic methods for synthesis thereof, which compounds may find use in combinatorial libraries. More specifically, the invention is directed to the synthesis of 3-hydroxy- and 3-amino-4(1H)-quinazolinones via the reaction of an appropriate 2-aminobenzamide compound with a carboxylic acid or acyl halide at ambient temperature performed on a solid support or in solution.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: February 6, 2001
    Assignee: Sepracor Inc.
    Inventor: Yun Gao
  • Patent number: 6180630
    Abstract: Pyrazolo[4,3-c]pyridazin-3-one analogues, represented by are selective ligands for GABAA receptors, in particular having high affinity for the &agr;2 and/or &agr;3 subunit thereof, are useful in the treatment of anxiety and convulsions.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: January 30, 2001
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Peter Blurton, Stephen Robert Fletcher
  • Patent number: 6177379
    Abstract: A method of initiating free-radical addition polymerization, which entails effecting a free-radical addition polymerization in the presence of an initiator, which contains, as a structural feature, a Diels-Alder adduct of an azo group (—N═N—) with a conjugated double bond (diene).
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: January 23, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Königer, Reinhold Schwalm, Roman Benedikt Raether
  • Patent number: 6172170
    Abstract: Initiators for free-radical addition polymerization comprising as structural feature the Diels-Alder adduct of an azo group (—N═N—) with a conjugated double bond (diene).
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: January 9, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Königer, Reinhold Schwalm, Roman Benedikt Raether
  • Patent number: 6147080
    Abstract: The present invention relates to inhibitors of p38, a mammalian protein kinase involved cell proliferation, cell death and response to extracellular stimuli. The compounds are of the class of pyrido [1,2-c] pyrimidin-3-one or 1,2-dihydro-pyrido [1,2-c] pyrimidin-3-one derivatives, useful as inhibitors of p38. The invention also relates to methods for producing these inhibitors. The invention also provides pharmaceutical compositions comprising the inhibitors of the invention and methods of utilizing those compositions in the treatment and prevention of various disorders.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: November 14, 2000
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Guy W. Bemis, Francesco Gerald Salituro, John Patrick Duffy, Edmund Martin Harrington
  • Patent number: 6143890
    Abstract: Hydrazam imides of the general formula I ##STR1## wherein R.sup.1 and R.sup.2 are each independently of the other (a) hydrogen or nitro, at least one of which radicals being nitro, or R.sup.1 and R.sup.2 together are (b) one of the following radicals ##STR2## wherein B is ##STR3## and R.sup.5 is C.sub.1 -C.sub.18 alkyl or R.sup.3 or R.sup.4, in which case R.sup.1 and R.sup.2 are bound to the compound of formula I in the positions a and b,R.sup.3 and R.sup.4 are each independently of the other unbranched C.sub.1 -C.sub.10 alkyl, and processes for their preparation and their use.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: November 7, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Heinz Langhals, Rami Ismael
  • Patent number: 6136827
    Abstract: The present invention is directed to cyclic amines of the formula I: ##STR1## (wherein R.sup.1, R.sup.2, R.sup.3, m and n are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptors CCR-1, CCR-2, CCR-2A, CCR-2B, CCR-3, CCR-4, CCR-5, CXCR-3, and/or CXCR-4.
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: October 24, 2000
    Assignee: Merck & Co., Inc.
    Inventors: Charles G. Caldwell, Paul E. Finke, Malcolm Maccoss, Laura C. Meurer, Sander G. Mills, Bryan Oates
  • Patent number: 6121278
    Abstract: A compound of formula I: ##STR1## or a pharmaceutically acceptable salt, hydrate, ester, solvate, prodrug, metabolite, stereoisomer, or mixtures thereof, wherein:Y represents the atoms necessary to form a fused 5- to 6-membered, aromatic or non-aromatic, heterocyclic ring containing at least one nitrogen heteroatom in a 1,3-relationship with the nitrogen atom depicted in formula I, wherein Y may be unsubstituted or substituted with at least one alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl, aryl, double bonded oxygen, or --COOR.sup.5 group, or a moiety selected from the group consisting of: ##STR2## wherein R.sup.5 and R.sup.7 are independently hydrogen or alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl, or aryl.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: September 19, 2000
    Assignee: Guilford Pharmaceuticals, Inc.
    Inventors: Paul F. Jackson, Keith M. Maclin, Jie Zhang
  • Patent number: 6103731
    Abstract: Disclosed are compounds of compounds of the formula: or the pharmaceutically acceptable nontoxic salts thereof wherein:X is oxygen, H.sub.2 or sulfurY is hydrogen, or optionally substituted alkyl, alkenyl, (substituted)arylalkyl, aryl or heteroaryl, or a carbonyl group substituted with alkyl, cycloalkyl, aryl, or amino groups;W is alkyl, arylalkyl or heteroarylalkyl, where each aryl group is optionally substituted with up to two groups; orW is aryl, thienyl, pyridyl or heteroaryl, each of which is optionally substituted; andZ.sub.1, Z.sub.2, Z.sub.3, and Z.sub.4 independently represent nitrogen or C-R.sub.1 where R.sub.1 is hydrogen, halogen, hydroxy, amino, or phenyl or pyridyl optionally mono- or independently disubstituted with halogen, hydroxy, lower alkyl, or lower alkoxy,which compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists or inverse agonists for GABAa brain receptors.
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: August 15, 2000
    Assignee: Neurogen Corporation
    Inventors: Paul Chen, Alan Hutchison, Guolin Cai
  • Patent number: 6103721
    Abstract: The present invention concerns compounds according to the following formula, ##STR1## wherein: R.sup.1 is (CH.sub.2).sub.n,L where n is an integer in the range 0 to 6, and L is a carbon-linked five-membered heteroaryl ring having an oxygen or sulfur heteroatom, R.sup.4 is hydrogen, halo or NO.sub.2, and pharmaceutical compositions and methods of using thereof in the treatment and/or prevention of neurological diseases or conditions.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: August 15, 2000
    Assignee: Zeneca Limited
    Inventors: Thomas Michael Bare, Timothy Wayne Davenport, James Roy Empfield, Jeffrey Alan McKinney, Richard Bruce Sparks
  • Patent number: 6093821
    Abstract: Non-steroidal compounds which are high affinity, high selectivity modulators for steroid receptors are disclosed. Also disclosed are pharmaceutical compositions incorporating such compounds, methods for employing the disclosed compounds and compositions for treating patients requiring steroid receptor agonist or antagonist therapy, intermediates useful in the preparation of the compounds and processes for the preparation of the steroid receptor modulator compounds.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: July 25, 2000
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventors: Todd K. Jones, Mark E. Goldman, Charlotte L. F. Pooley, David T. Winn, James P. Edwards, Sarah J. West, Christopher M. Tegley, Lin Zhi
  • Patent number: 6057329
    Abstract: Fused polycyclic 2-aminopyrimidines of formula (1): ##STR1## wherein Ar is an optionally substituted aromatic or heteroaromatic group;X is a carbon or nitrogen atom;Y is a carbon or nitrogen atom;Z is a linker group;A together with X and Y forms an optionally substituted monocyclic or bicyclic aromatic or heteroaromatic group;and the salts, solvates, hydrates and N-oxides thereof are described. The compounds are potent and selective inhibitors of the protein tyrosine kinases p56.sup.lck and p59.sup.fyn and are of use in the prophylaxis and treatment of immune diseases, hyperproliferative disorders and other diseases in which inappropriate p56.sup.lck and/or p59.sup.fyn activity is believed to have a role.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: May 2, 2000
    Assignee: Celltech Therapeutics Limited
    Inventors: Jeremy Martin Davis, Peter David Davis, David Festus Charles Moffat, Mark James Batchelor
  • Patent number: 6048853
    Abstract: Substituted 1-arylphthalazine compositions with the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independentlya) H,b) HO,c) R.sup.11 O--,d) halogen,e) C1-C3-alkyl,f) CF.sub.3,g) R.sup.12 CO.sub.2 --, orh) R.sup.12 CONH--;R.sup.1 and R.sup.2, or R.sup.2 and R.sup.3, or R.sup.3 and R.sup.4 can be taken together to bea) --OCH.sub.2 O--, orb) --OCH.sub.2 CH.sub.2 O--;R.sup.5 isa) H,b) C1-C6-alkyl,c) C3-C6-alkenyl,d) C3-C6-alkynyl,e) C3-C6-cycloalkyl,f) phenyl or substituted phenyl, wherein the phenyl is substituted with one or two substituents selected from the group consisting of C1-C3-alky, halogen, R.sup.12 HN--, R.sup.12 O--, CF.sub.3 --, R.sup.13 SO.sub.2 -- and CO.sub.2 R.sup.12, org) phenyl-C1-C3-alkyl or substituted phenyl-C1-C3-alkyl, wherein the phenyl is substituted with one or two substituents selected from the group consisting of C1-C3-alkyl, halogen, R.sup.12 HN--, R.sup.12 O--, CF.sub.3 --, R.sup.13 SO.sub.2 -- and --CO.sub.2 R.sup.12 ;R.sup.6 isa) R.sup.10 R.sup.11 N--,b) R.
    Type: Grant
    Filed: January 18, 1996
    Date of Patent: April 11, 2000
    Assignee: Bearsden Bio, Inc.
    Inventors: Mark A. Collins, Jeffrey C. Pelletier
  • Patent number: 6048869
    Abstract: The novel compounds of the present invention are those of structural formula I: ##STR1## or a pharmaceutically acceptable salt, ester, or stereoisomer thereof, which are inhibitors of 5.alpha.-reductase. The compounds of formula I are useful in the oral, systemic, parenteral or topical treatment of hyperandrogenic conditions. Methods of using the compounds of formula I for the treatment of hyperandrogenic conditions such as acne vulgaris, seborrhea, androgenic alopecia, male pattern baldness, female hirsutism, benign prostatic hyperplasia, and the prevention and treatment of prostatic carcinoma, as well as the treatment of prostatitis the treatment of sweat-related conditions such as apocrine gland sweating, hyperhidrosis, and hydradenitis suppurativa, the treatment of polycystic ovary syndrome, the prevention and treatment of bone loss and related diseases, and the prevention and treatment of premature labor are provided, as well as pharmaceutical compositions for the compounds of formula I.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: April 11, 2000
    Assignee: Merck & Co., Inc.
    Inventors: Derek Von Langen, Susan D. Aster, Donald W. Graham
  • Patent number: 5994544
    Abstract: Non-steroidal compounds which are high affinity, high selectivity modulators for steroid receptors and the method of preparing these compounds are disclosed. Also disclosed are pharmaceutical compositions incorporating such compounds, methods for employing the disclosed compounds and compositions for treating patients requiring steroid receptor agonist or antagonist therapy, intermediates useful in the preparation of the compounds and processes for the preparation of the steroid receptor modulator compounds.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: November 30, 1999
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventors: Todd K. Jones, Christopher M. Tegley, Lin Zhi, James P. Edwards