Abstract: The present invention is concerned with a novel process for the preparation of 3,5-bis(trifluoromethyl)benzoic acid (CAS 725-89-3). This compound is useful as an intermediate in the synthesis of compounds which possess pharmacological activity, in particular, as substance P (neurokinin-1) receptor antagonists.
Abstract: Compounds according to Formula (I) or a salt thereof are selective antagonists of the human 5-HT2A receptor useful for treatment of adverse conditions of the central nervous system:
Type:
Grant
Filed:
January 12, 2001
Date of Patent:
November 12, 2002
Assignee:
Merck Sharp & Dohme Ltd.
Inventors:
Christopher Richard Moyes, Michael Rowley
Abstract: Substituted or 6,7-ring fused 1,2,3-triazolo[4,5-b]pyridine derivatives are selective ligands for GABAA receptors useful in the treatment of disorders of the central nervous system.
Type:
Grant
Filed:
November 7, 2000
Date of Patent:
November 12, 2002
Assignee:
Merck Sharp & Dohme Ltd.
Inventors:
Howard Barff Broughton, Jose Luis Castro Pineiro, Ian James Collins, Leslie Joseph Street
Abstract: The present invention is directed to certain novel compounds represented by structural formula I:
or a pharmaceutically acceptable salt thereof, wherein R3, R5, R6, R7, R8, R11, R12, R13, Q, W, X, Y and Z are defined herein. The invention is also concerned with pharmaceutical formulations comprising these novel compounds as active ingredients and the use of the novel compounds and their formulations in the treatment of certain disorders. The compounds of this invention are tachykinin receptor antagonists and are useful in the treatment of psychiatric disorders including depression and anxiety.
Type:
Grant
Filed:
September 21, 2001
Date of Patent:
November 12, 2002
Assignee:
Merck & Co., Inc.
Inventors:
Paul E. Finke, Laura C. Meurer, Sander G. Mills, Malcolm MacCoss, Hongbo Qi
Abstract: Compounds according to Formula (I):
or a salt or prodrug thereof, have good affinity as ligands for the alpha2 and/or alpha3 subunit of the human GABAA receptor and are useful for treatment of disorders of the central nervous system, including anxiety and convulsions.
Type:
Grant
Filed:
June 8, 2001
Date of Patent:
November 5, 2002
Assignee:
Merck Sharp & Dohme Ltd.
Inventors:
William Robert Carling, Andrew Mitchinson, Kevin William Moore, Michael Geoffrey Russell, Gayle Scott, Leslie Joseph Street
Abstract: The present invention relates to compounds of the formula (I):
wherein:
Het represents a heterocyclic residue selected from:
where the dotted line in (b) represents an optional double bond;
A completes a fused pyridine ring; and
B completes a fused benzene or pyridine ring.
The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migaine, emesis or postherpetic neuralgia.
Type:
Grant
Filed:
July 11, 2001
Date of Patent:
November 5, 2002
Assignee:
Merck Sharp & Dohme Ltd.
Inventors:
Kevin Dinnell, Jason Matthew Elliott, Gregory John Hollingworth, Duncan Edward Shaw
Abstract: The present invention is concerned with novel processes for the preparation of (2R, 2-alpha-R)-4-benzyl-2-[1-[3,5-bis(trifluoromethyl)phenyl]ethoxy-1,4-oxazin-3-one. This compound is useful as an intermediate in the synthesis of compounds which possess pharmacological activity.
Type:
Grant
Filed:
June 8, 2001
Date of Patent:
October 22, 2002
Assignee:
Merck & Co., Inc.
Inventors:
Karel M. Jos Brands, Joseph F. Payack, Philip J. Pye
Abstract: The present invention relates to compounds of the formula (I):
wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and n are defined herein. The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migraine, emesis and postherpetic neuralgia.
Type:
Grant
Filed:
September 10, 2001
Date of Patent:
October 1, 2002
Assignee:
Merck Sharp & Dohme Ltd.
Inventors:
Simon Neil Owen, Eileen Mary Seward, Christopher John Swain, Brian John Williams
Abstract: A combination of a muscarinic agonist and an inverse agonist of the GABAA &agr;5 receptor subtype useful in treating neurodegenerative conditions such as Alzheimer's Disease is disclosed.
Abstract: The present invention is directed to pyrrolidine compounds of the formula I:
(wherein R1, R2, R3, R4c, R4d, and R4f 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-3 and/or CCR-5.
Type:
Grant
Filed:
February 27, 2001
Date of Patent:
September 24, 2002
Assignee:
Merck & Co., Inc.
Inventors:
Jennifer Chee, Jill N. Johanson, Frank Kayser, William H. Parsons, Kathleen M. Rupprecht
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
Abstract: The invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof:
wherein X is CH2, O or S. The compounds inhibit gamma secretase without affecting Notch signalling, and hence find use in the treatment or prevention of Alzheimer's disease.
Abstract: A compound of formula I, or a salt or prodrug thereof:
wherein:
Z represents C1-6 alkyl, C3-7 cycloalkyl, C4-7 cycloalkenyl, aryl, C3-7 heterocycloalkyl, heteroaryl or di(C1-6)alkylamino, any of which groups may be optionally substituted;
R1 represents an optionally substituted five-membered heteroaromatic ring selected from oxazole, thiazole, isoxazole, isothiazole, imidazole, pyrazole, oxadiazole, thiadiazole, triazole and tetrazole; or
R1 represents an optionally substituted six-membered heteroaromatic ring selected from pyrazine, pyrimidine and pyridazine; and
R2 represents cyano(C1-6)alkyl, hydroxy(C1-6)alkyl, C3-7 cycloalkyl(C1-6)alkyl, propargyl, C3-7 heterocycloalkylcarbonyl(C1-6)alkyl, aryl(C1-6)alkyl or heteroaryl(C1-6)alkyl, any of which groups may be optionally substituted; its use in treating anxiety and pharmaceutical compositions comprising it; a subclass of compounds which are useful in enhancing cognition, such as Alzheimer's Disease, is also disclosed.
Type:
Grant
Filed:
August 27, 1998
Date of Patent:
September 3, 2002
Assignee:
Merck Sharp & Dohme Ltd.
Inventors:
Tamara Ladduwahetty, Kevin John Merchant, Francine Sternfeld, Leslie Joseph Street
Abstract: The present invention is directed to compounds of the formula I:
(wherein R1, R2, R3, R4, R5, R7, R8, X, n, x and y 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-5 and/or CCR-3.
Type:
Grant
Filed:
June 8, 2000
Date of Patent:
August 13, 2002
Assignee:
Merck & Co., Inc.
Inventors:
Paul E. Finke, Kerry A. Hilfiker, Jennifer L. Loebach, Malcolm Maccoss, Sander G. Mills, Dong-Ming Shen, Bryan Oates
Abstract: This invention is concerned with a novel polymorphic forms of the compound 2-(R)-(1-(R)-(3,5-bis(trifluoromethyl)phenyl)ethoxy)4-( 5-(dimethyl-amino)methyl-1,2,3-triazol-4-yl)methyl-3-(S)-(4-fluorophenyl)morpholine hydrochloride which is a tachykinin receptor antagonist useful in the treatment or prevention of disorders of the central nervous system, inflammatory diseases, pain or migraine, asthma, and emesis. The instant polymorphic forms have advantages over the other known forms of 2-(R)-(1-(R)-(3,5-bis(trifluoromethyl)phenyl)ethoxy)4-( 5-(dimethylamino)methyl-1,2,3-triazol-4-yl)methyl-3-(S)-(4-fluorophenyl)morpholine hydrochloride in terms of thermodynamic stability and suitability for inclusion in pharmaceutical formulations.
Abstract: This invention is concerned with a novel polymorphic form of the compound 2-(R)-(1-(R)-(3,5-bis(trifluoromethyl)-phenyl)-ethoxy)-3-(S)-(4-fluoro)phenyl-4-(3-(5-oxo-1H,4H-1,2,4-triazolo)methylmorpholine which is a tachykinin receptor antagonist useful in the treatment or prevention of disorders of the central nervous system, inflammatory diseases, pain or migraine, asthma, and emesis. The instant polymorphic form has advantages over the other known forms of 2-(R)-(1-(R)-(3,1-bis(trifluoro-methyl)-phenyl)ethoxy)-3-(S)-(4-fluoro)phenyl-4-(3-(5-oxo-1H,4H-1,2,4-triazolo)methylmorpholine in terms of thermodynamic stability and suitability for inclusion in pharmaceutical formulations.
Abstract: The present invention relates to a method of enhancing cognition without producing convulsions which method comprises administering to a subject in need thereof a cognition enhancing amount of a compound which is a GABAa selective alpha5 receptor inverse agonist.
Abstract: The present invention is directed to certain spiropiperidines of the general structural formula:
wherein R1, R2, R3, R3a, R3b, R4 and R5 are as defined herein. These compounds promote the release of growth hormone in humans and animals. This property can be utilized to promote the growth of food animals to render the production of edible meat products more efficient, and in humans, to treat physiological or medical conditions characterized by a deficiency in growth hormone secretion, such as short stature in growth hormone deficient children, and to treat medical conditions which are improved by the anabolic effects of growth hormone. Growth hormone releasing compositions containing such compounds as the active ingredient thereof are also disclosed.
Abstract: The present invention relates to a process for the preparation of morpholine derivatives of formula (I) which are useful as a therapeutic agents.
Type:
Grant
Filed:
September 10, 2001
Date of Patent:
June 18, 2002
Assignee:
Merck Sharp & Dohme Ltd.
Inventors:
Ian Frank Cottrell, Ulf H Dolling, David Hands, Robert Darrin Wilson