Patents Assigned to Merck Sharp
  • Patent number: 5854268
    Abstract: A class of substituted azetidine, pyrrolidine and piperidine derivatives are selective agonists of 5-HT.sub.1 -like receptors, being potent agonists of the human 5-HT.sub.1D.alpha. receptor subtype whilst possessing at least a 10-fold selective affinity for the 5-HT.sub.1D.alpha. receptor subtype relative to the 5-HT.sub.1D.beta. subtype; they are therefore useful in the treatment and/or prevention of clinical conditions, in particular migraine and associated disorders, for which a subtype-selective agonist of 5-HT.sub.1D receptors is indicated, whilst eliciting fewer side-effects, notably adverse cardiovascular events, than those associated with non-subtype-selective 5-HT.sub.1D receptor agonists.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: December 29, 1998
    Assignee: Merck Sharp & Dohme, Ltd.
    Inventors: Raymond Baker, Sylvie Bourrain, Jose Luis Castro Pineiro, Mark Stuart Chambers, Alexander Richard Guiblin, Sarah Christine Hobbs, Richard Alexander Jelley, Andrew Madin, Victor Giulio Matassa, Austin John Reeve, Michael Geoffrey Russell, Graham Andrew Showell, Francine Sternfeld, Leslie Joseph Street, Monique Bodil Van Niel
  • Patent number: 5849746
    Abstract: A class of 1,4-disubstituted piperazine derivatives, further substituted on one of the carbon atoms of the piperazine ring, are selective agonists of 5-HT.sub.1 -like receptors, being potent agonists of the human 5-HT.sub.1D.alpha. receptor subtype whilst possessing at least a 10-fold selective affinity for the 5-HT.sub.1D.alpha. receptor subtype relative to the 5-HT.sub.1D.beta. subtype; they are therefore useful in the treatment and/or prevention of clinical conditions, in particular migraine and associated disorders, for which a subtype-selective agonist of 5-HT.sub.1D receptors is indicated, while eliciting fewer side-effects, notably adverse cardiovascular events, than those associated with non-subtype-selective 5-HT.sub.1D receptor agonists.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: December 15, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Mark Stuart Chambers, Angus Murray MacLeod, Victor Giulio Matassa
  • Patent number: 5849765
    Abstract: A class of 1,2,3,6-tetrahydropyridine derivatives, substituted in the 4-position by a fused bicyclic heteroaromatic moiety and in the 1-position by an optionally substituted benzyl moiety, are ligands for dopamine receptor subtypes within the body, in particular the D.sub.4 subtype, and are therefore useful in the treatment and/or prevention of disorders of the dopamine system, in particular schizophrenia or depression.
    Type: Grant
    Filed: March 7, 1997
    Date of Patent: December 15, 1998
    Assignee: Merck Sharp & Dohme, Ltd.
    Inventors: Neil Roy Curtis, Janusz Jozef Kulagowski, Paul David Leeson, Kevin William Moore, Andrew Pate Owens, Martin Richard Teall
  • Patent number: 5837715
    Abstract: A class of substituted 3-fluoro-4-aminopiperidine derivatives are selective agonists of 5-HT.sub.1 -like receptors, being potent agonists of the human 5-HT.sub.1D.sbsb..alpha. receptor subtype whilst possessing at least a 10-fold selective affinity for the 5-HT.sub.1D.sbsb..alpha. receptor subtype relative to the 5-HT.sub.1D.sbsb..beta. subtype; they are therefore useful in the treatment and/or prevention of clinical conditions, in particular migraine and associated disorders, for which a subtype-selective agonist of 5-HT.sub.1D receptors is indicated, while eliciting fewer side-effects, notably adverse cardiovascular events, than those associated with non-subtype-selective 5-HT.sub.1D receptor agonists.
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: November 17, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: J. L. Castro Pineiro, M. G. Russell
  • Patent number: 5830892
    Abstract: The present invention provides compounds of formula (I), wherein R.sup.1 is a 5- or 6-membered aromatic heterocyclic group containing 1, 2, 3 or 4 heteroatoms selected from nitrogen, oxygen and sulphur, which group is optionally substituted; R.sup.2 is hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, CF.sub.3, OCF.sub.3, NO.sub.2, CN, SR.sup.a, SOR.sup.a, SO.sub.2 R.sup.a, CO.sub.2 R.sup.a, CONR.sup.a R.sup.b, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl or C.sub.1-4 alkyl substitued by C.sub.1-4 alkoxy, where R.sup.a and R.sup.a R.sup.b each independently represent hydrogen or C.sub.1-4 alkyl; R.sup.3 is hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 -alkoxy substituted by C.sub.1-4 alkoxy or CF.sub.3 ; R.sup.4, R.sup.5, R.sup.6, R.sup.9a, R.sup.9b, A, X and Y are as defined in the specification; and m is zero or , and pharmaceutically acceptable salts and prodrugs thereof. The compounds are of particular use in the treatment or prevention of pain, inflammation, migraine, emesis and pos therpetic neuralgia.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: November 3, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Jason Matthew Elliott, Graeme Irvine Stevenson, Christopher John Swain
  • Patent number: 5830854
    Abstract: Tachykinin receptor antagonists are useful for the treatment of cystic fibrosis.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: November 3, 1998
    Assignee: Merck Sharp & Dohme, Limited
    Inventor: Richard John Hargreaves
  • Patent number: 5824678
    Abstract: The present invention relates to compounds of formula (I) ##STR1## wherein X is --NR.sup.6 R.sup.7 or C-- or N-linked imidazolyl; Y is hydrogen or C.sub.1-4 alkyl optionally substituted by hydroxy; R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are selected from a variety of suitable aromatic substituents; R.sup.6 is hydrogen, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, phenyl, or C.sub.2-4 alkyl substituted by C.sub.1-4 alkoxy or hydroxy; R.sup.7 is hydrogen, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkyl C.sub.1-4 alkyl, phenyl, or C.sub.2-4 alkyl substituted by one or two of C.sub.1-4 alkoxy, hydroxy or a 4, 5 or 6 membered heteroaliphatic ring containing one or two heteroatoms selected from N, O and S; or NR.sup.6 R.sup.7 is a saturated or partially saturated heterocyclic ring of 4 to 7 ring atoms, optionally containing one of O, S, NR.sup.8, S(O) or S(O).sub.2 and optionally substituted by one or two of hydroxy.sub.1-4 alkyl, C.sub.1-4 alkoxy C.sub.
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: October 20, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Timothy Harrison, Andrew Pate Owens, Christopher John Swain
  • Patent number: 5814644
    Abstract: Compound of formula (I), or a pharmaceutically acceptable salt thereof or a prodrug thereof wherein E represents --CH.sub.2 -- or --CH.sub.2 CH.sub.2 --; R represents hydrogen or C.sub.1-6 alkyl; Q represents a moiety of formula Qa, Qb, Qc or Qd which are antagonists of dopamine receptor subtypes within the brain, having a selective affinity for the dopamine D.sub.4 receptor subtype over other dopamine receptor subtypes, and are accordingly of benefit in the treatment and/or prevention of psychotic disorders such as schizophrenia whilst manifesting fewer side-effects than those associated with classical neuroleptic drugs.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: September 29, 1998
    Assignee: Merck Sharp & Dohme, Ltd.
    Inventors: Janusz Jozef Kulagowski, Paul David Leeson, Mark Peter Ridgill
  • Patent number: 5811431
    Abstract: The present invention relates to compounds of formula (I), wherein n is zero, 1, 2 or 3; R represents C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxy, halogen, cyano, trifluoromethyl SO.sub.2 C.sub.1-6 alkyl, NR.sup.a R.sup.b, NR.sup.a COR.sup.b or CONR.sup.a R.sup.b, where R.sup.a and R.sup.b are each H, C.sub.1-4 alkyl, phenyl or trifluoromethyl; R.sup.1 represents phenyl optionally substituted by 1, 2 or 3 of C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, --O(CH.sub.2).sub.p O-- (where p is 1 or 2), halogen, cyano, nitro, trifluoromethyl, trimethylsilyl, OR.sup.a, SR.sup.a, SOR.sup.a, SO.sub.2 R.sup.a, NR.sup.a R.sup.b, NR.sup.a COR.sup.b, NR.sup.a CO.sub.2 R.sup.b, COR.sup.a, CO.sub.2 R.sup.a or CONR.sup.a R.sup.b ; naphthyl; benzhydryl; or benyl, where the naphthyl group or each phenyl moiety of benzyl and benzhydryl may be substituted by C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or trifluoromethyl; R.sup.
    Type: Grant
    Filed: January 7, 1997
    Date of Patent: September 22, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Tamara Ladduwahetty, Richard Thomas Lewis, Angus Murray MacLeod, Kevin John Merchant
  • Patent number: 5807865
    Abstract: The present invention relates to compounds of the formula (I) ##STR1## wherein X, Z, R, R.sup.1, R.sup.2, Ar, n and m are as defined herein which are of use in the treatment or prevention of neuropathy, asthma, osteoarthritis, rheumatoid arthritis or migraine.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: September 15, 1998
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Timothy Harrison, Christopher John Swain
  • Patent number: 5807857
    Abstract: Compounds of formula (I), or a salt or prodrug thereof, wherein Z represents an optionally substituted five-membered heteroaromatic ring selected from furan, thiophene, pyrrole, oxazole, thiazole, isoxazole, isothiazole, imidazole, pyrazole, oxadiazole, thiadiazole, triazole and tetrazole; E represents a chemical bond or a straight or branched alkylene chain containing from 1 to 4 carbon atoms; Q represents a straight or branched alkylene chain containing from 1 to 6 carbon atoms, optionally substituted in any position by a hydroxy group; T represents nitrogen or CH; U represents nitrogen or C--R.sup.2 ; V represents oxygen, sulphur or N--R.sup.3 ; --F--G-- represents --CH2--N--, --CH2--CH-- or --CH.dbd.C--; R.sup.1 represents C.sub.3-6 alkenyl, C.sub.3-6 alkynyl, aryl(C.sub.1-6)alkyl or heteroaryl(C.sub.1-6)alkyl, any of which groups may be optionally substituted; and R.sup.2 and R.sup.3 independently represent hydrogen or C.sub.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: September 15, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Jose Luis Castro Pineiro, Mark Stuart Chambers, Sarah Christine Hobbs, Austin John Reeve, Graham Andrew Showell, Leslie Joseph Street, Victor Giulio Matassa
  • Patent number: 5792768
    Abstract: A class of benzimidazole derivatives, substituted at the 2-position by a substituted piperazinylmethyl or piperazinylethyl moiety, are antagonists of dopamine receptor subtypes within the brain, having a selective affinity for the dopamine D.sub.4 receptor subtype over other dopamine receptor subtypes, and are accordingly of benefit in the treatment and/or prevention of psychotic disorders such as schizophrenia whilst manifesting fewer side-effects than those associated with classical neuroleptic drugs.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: August 11, 1998
    Assignee: Merck, Sharp & Dohme Limited
    Inventors: Janusz Jozef Kulagowski, Paul David Leeson
  • Patent number: 5783698
    Abstract: The present invention relates to a method for the synthesis of 1,3-disubstituted quinazolinedione derivatives which comprises:(a) reacting a haloformate functionalized polystyrene resin with a substituted anthranilic acid derivative under conditions effective to form a urethane-linkage;(b) reacting the product of step (a) with a primary amine under conditions effective to form an anthranilamide derivative;(c) heating the anthranilamide to effect intramolecular cyclization thereby liberating the 1,3-disubstituted quinazolinedione derivative from the resin into solution; and(d) isolating the 1,3-disubstituted quinazolinedione by filtration and solvent removal.
    Type: Grant
    Filed: January 7, 1997
    Date of Patent: July 21, 1998
    Assignee: Merck Sharp & Dohme Limited
    Inventor: Adrian Leonard Smith
  • Patent number: 5780475
    Abstract: Disclosed is a class of 1H-indazole derivatives, substituted at the 3-position by a substituted piperazinylmethyl moiety, which are antagonists of dopamine receptor subtypes within the brain, having a selective affinity for the dopamine D4 receptor subtype over other dopamine receptor subtypes, and are accordingly, of benefit in the treatment and/or prevention of psychotic disorders, such as schizophrenia, while manifesting fewer side-effects than those associated with classical neuroleptic drugs.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: July 14, 1998
    Assignee: Merck, Sharp & Dohme Limited
    Inventors: Raymond Baker, Janusz Jozef Kulagowski, Paul David Leeson, Adrian Leonard Smith
  • Patent number: 5763448
    Abstract: A class of substituted pyrimidine derivatives are ligands for dopamine receptor subtypes within the body and are therefore useful in the treatment of disorders of the dopamine system, in particular schizophrenia ##STR1##
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: June 9, 1998
    Assignee: Merck, Sharp & Dohme Limited
    Inventors: William Robert Carling, Ian James Collins, Michael Rowley, Paul David Leeson
  • Patent number: 5760018
    Abstract: The present invention is directed to certain compounds represented by structural formula I: ##STR1## or a pharmaceutically acceptable salt thereof wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, A.sup.1, A.sup.2, X, m and n are defined herein. The compounds of this invention are tachykinin receptor antagonists and are of particular use in the treatment of pain, inflammation, migraine and emesis.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: June 2, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Richard Thomas Lewis, Angus Murray MacLeod, Graeme Irvine Stevenson
  • Patent number: 5747491
    Abstract: The present invention relates to compounds of formula (I): wherein X is N or CH; and pharmaceutically acceptable salts and prodrugs thereof. The compounds are of p articular use in the treatment of pain, inflammation, migraine and emesis.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: May 5, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Karen Elizabeth Haworth, Eileen Mary Seward, Christopher John Swain, Martin Richard Teall
  • Patent number: 5728716
    Abstract: Aralkylamino substituted azacyclic compounds of formula (I) and their salts and prodrugs. The variables are defined herein. The compounds are useful as tachykinin antagonists and are of particular use in the treatment of pain, inflammation, migraine, and emesis.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: March 17, 1998
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Malcolm MacCoss, Christopher John Swain
  • Patent number: 5728695
    Abstract: The present invention relates to spiroketal derivatives of formula (I) and pharmaceutically acceptable salts thereof wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.9a, R.sup.9b, m and n are as defined in the specification, and to processes for their preparation, to intermediates used in their synthesis, to pharmaceutical compositions containing them, and to their use in therapy. The compounds are of particular use in the treatment or prevention of pain, inflammation, migraine, emesis and postherpetic neuralgia.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: March 17, 1998
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Timothy Harrison, Simon Neil Owen, Eileen Mary Seward, Christopher John Swain
  • Patent number: 5719149
    Abstract: The present invention relates to compounds of formula (I) wherein: R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are selected from a variety of suitable aromatic substituents; R.sup.6 is hydrogen, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, phenyl, or C.sub.2 -alkyl substituted by C.sub.1-4 alkoxy or hydroxy; R.sup.7 is hydrogen, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, phenyl, C.sub.2-4 alkyl substituted by C.sub.1-4 alkoxy or hydroxy, or the group C(.dbd.NR.sup.c)NR.sup.a R.sup.b ; or R.sup.6 and R.sup.7, together with the nitrogen atom to which they are attached, form an optionally substituted saturated heterocyclic ring of 4 to 7 ring atoms which may optionally contain in the ring one oxygen or sulphur atom or a group selected from NR.sup.8, S(O) or S(O).sub.2 ; or R.sup.6 and R.sup.
    Type: Grant
    Filed: February 27, 1997
    Date of Patent: February 17, 1998
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Paul Finke, Timothy Harrison, Richard Thomas Lewis, Angus Murray MacLeod, Andrew Pate Owens