Patents by Inventor Geoffrey Stemp

Geoffrey Stemp has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20040180887
    Abstract: This invention relates to N-aroyl cyclic amine derivatives of formula (1), wherein X represents a bond, oxygen, NR3 or a group (CH2), wherein n represents 1, 2 or 3; Y represents CH2, CO, CH(OH), or CH2CH(OH); Het is an optionally substituted bicyclic heteroaryl group containing up to 4 heteroatoms selected from N, O and S; Ar2 represents an optionally substituted phenyl or a 5- or 6-membered heterocyclyl group containing up to 3 heteroatoms selected from N, O and S and their use as pharmaceuticals, specifically as orexin receptor antagonists.
    Type: Application
    Filed: April 26, 2004
    Publication date: September 16, 2004
    Inventors: Clive Leslie Branch, Wai Ngor Chan, Amanda Johns, Christopher Norbert Johnson, David John Nash, Riccardo Novelli, Jean-Pierre Pilleux, Roderick Porter, Rachel Elizabeth Anne Stead, Geoffrey Stemp
  • Publication number: 20040171606
    Abstract: The invention provides compounds of formula (I): wherein: R2 and R3 independently represent various substituents; R1 and R4 independently represent H, F, Cl, Br, Cl1-2alkyl, C1alkoxy, OH, CN, or NO2; B represents a sulfur atom or a —CH2-group; t represents 3 or 4; and A represents an optionally substituted 5- or 6-membered aromatic heterocyclic ring, or an optionally substituted bicyclic heterocyclic ring system in which at least the ring bound to the group B in Formula (I) is aromatic; or a salt thereof.
    Type: Application
    Filed: November 11, 2003
    Publication date: September 2, 2004
    Inventors: Michael Stewart Hadley, Andrew Lightfoot, Gregor James MacDonald, Geoffrey Stemp
  • Publication number: 20040143115
    Abstract: This invention relates to N-aroyl cyclic amine derivatives and their use as orexin antagonists 1
    Type: Application
    Filed: November 5, 2003
    Publication date: July 22, 2004
    Inventors: Clive Leslie Branch, Steven Coulton, Amanda Johns, Christopher Norbert Johnson, Roderick Alan Porter, Geoffrey Stemp, Kevin Thewlis
  • Publication number: 20040063704
    Abstract: The present invention relates to novel compounds of formula (1) or a pharmaceutically acceptable salt thereof, wherein Ar is phenyl, naphthyl, a monocyclic heteroaromatic group or a bicyclic heteroaromatic group, said Ar group being optionally substituted by 1-4 substituents, which may be the same or different, and which are selected from the group consisting of: halogen, hydroxy, cyano, nitro, trifluoromethyl, trifluoromethoxy, C1-6alkyl, trifluoromethanesulfonyloxy, pentafluoroethyl, C1-6alkoxy, arylC1-6alkoxy, C1-6alkylthio, C1-6alkoxyC1-6-alkyl, C3-7cycloalkylC1-6alkoxy, C1-6alkanoyl, C1-6alkoxycarbonyl, C1-6alkylsulfonyl, C1-6alkylsulfinyl, C1-6alkylsulfonyloxy, C1-6alkylsulfonylC1-6alkyl, arylsulfonyl, arylsulfonyloxy, arylsulfonylC1-6alkyl, C1-6alkylsulfonamido, C1-6alkylamido, C1-6alkylsulfonamidoC1-6alkyl, C1-6alkylamidoC1-6alkyl, arylsulfonamido, arylcarboxamido, arylsullonamidoC1-6alkyl, arylcarboxamidoC1-6alkyl, aroyl, arylC1-6alkyl, arylC1-6alkanoyl, a group R3OCO(CH2)s, R3CON(R4)(CH2)s, R3R4NCO(
    Type: Application
    Filed: October 16, 2003
    Publication date: April 1, 2004
    Inventors: Christopher Norbert Johnson, Harshad Kantilal Rami, Geoffrey Stemp, Kevin Thewlis, Mervyn Thompson, Antonio Keuok Keong Vong
  • Publication number: 20040063686
    Abstract: Compounds of formula (I) in which: each A is independently hydrogen, C1-6alkyl optionally substituted by hydroxyl, C1-6alkoxy, C1-6alkenyl or C1-6acyl group or a halogen atom or hydroxyl, CN or CF3 group; R3 is hydrogen, methyl or ethyl; R4 is an optionally substituted aromatic carbocyclic or heterocyclic ring; Z is an O or S atom, or an NH or CH2 group, or a single bond, at the 3 or 4 position of R4 relative to the carbonyl group; R5 is an optionally substituted aromatic carbocyclic or heterocyclic ring, or an optionally substituted, saturated or unsaturated, carbocyclic or heterocyclic ring; and Q is (a) Where X, Y, R1 and R2 are as defined in claim 1; are antagonists of a human 11CBy receptor.
    Type: Application
    Filed: September 30, 2003
    Publication date: April 1, 2004
    Inventors: Christopher Norbert Johnson, Martin Jones, Catherine Anne O'Toole, Geoffrey Stemp, Kevin Michael Thewlis, David Witty
  • Publication number: 20040058921
    Abstract: This invention relates to morpholine derivatives of formula (I) and their use as antagonists of orexin receptors.
    Type: Application
    Filed: October 9, 2003
    Publication date: March 25, 2004
    Inventors: Clive Leslie Branch, Christopher Norbert Johnson, Alexander B. Smith, Geoffrey Stemp, Kevin Thewlis
  • Patent number: 6677354
    Abstract: Disclosed are compounds of formula (I): wherein: Y represents a group (CH2)n, wherein n represents 0, 1 or 2; R1 is phenyl, naphthyl, a mono or bicyclic heteroaryl group containing up to 3 heteroatoms selected from N, O and S; or a group NR3R4 wherein one of R3 and R4 is hydrogen or optionally substituted (C1-4)alkyl and the other is phenyl, naphthyl or a mono or bicyclic heteroaryl group containing up to 3 heteroatoms selected from N, O and S, or R3 and R4 together with the N atom to which they are attached form a 5 to 7-membered cyclic amine which has an optionally fused phenyl ring; any of which R1 groups may be optionally substituted; R2 represents phenyl or a 5- or 6-membered heteroaryl group containing up to 3 heteroatoms selected from N, O and S, wherein the phenyl or heteroaryl group is substituted by R5, and further optional substituents; or R2 represents an optionally substituted bicyclic aromatic or bicyclic heteroaromatic group containing up to 3 heteroatoms selected from N, O
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: January 13, 2004
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Clive Leslie Branch, Christopher Norbert Johnson, Geoffrey Stemp, Kevin Thewlis
  • Publication number: 20030236410
    Abstract: A compound of formula (I) or pharmaceutically acceptable salt thereof wherein: 1
    Type: Application
    Filed: June 2, 2003
    Publication date: December 25, 2003
    Applicant: SmithKline Beecham p.l.c.
    Inventors: Wai Ngor Chan, John Morris Evans, Geoffrey Stemp, Neil Upton, Robert Nicholas Willette
  • Publication number: 20030191314
    Abstract: Compounds of formula (I): 1
    Type: Application
    Filed: February 14, 2003
    Publication date: October 9, 2003
    Applicant: SmithKline Beecham, p.l.c.
    Inventors: Clive Leslie Branch, Christopher Norbert Johnson, Geoffrey Stemp
  • Publication number: 20030186964
    Abstract: Compounds of formula (I) wherein Y represents a group (CH2)n, wherein n represents 0, 1 or 2; R1 is phenyl, naphthyl, a mono or bicyclic heteroaryl group containing up to 3 heteroatoms selected from N, O and S; or a group NR3R4 wherein one of R3 and R4 is hydrogen or optionally substituted (C1-4)alkyl and the other is phenyl, naphthyl or a mono or bicyclic heteroaryl group containing up to 3 heteroatoms selected from N, O and S, or R3 and R4 together with the N atom to which they are attached form a 5 to 7-membered cyclic amine which has an optionally fused phenyl ring; any of which R1 groups may be optionally substituted; R2 represents phenyl or a 5- or 6-membered hereroaryl group containing up to 3 heteroatoms selected from N, O and S, wherein the phenyl or heteroaryl group is substituted by R5, and further optional substituents; or R2 represents an optionally substituted bicyclic aromatic or bicyclic heteroaromatic group containing up to 3 heteroatoms selected from N, O and S; R5 represents an optionally s
    Type: Application
    Filed: December 16, 2002
    Publication date: October 2, 2003
    Inventors: Clive Leslie Branch, Christopher Norbert Johnson, Geoffrey Stemp, Kevin Thewlis
  • Publication number: 20030158222
    Abstract: Oompounds of formula (I), wherein R2 represents a hydrogen atom or a C1-4 alkyl group; q is 1 or 2; A represents a group of formula (a), (b), (c) or (d), wherein Ar represents an optionally substituted phenyl ring or an optionally substituted 5- or 6-membered aromatic heterocyclic ring; or an optionally substituted bicyclic ring system; Ar1 and Ar2 each independently represent an optionally substituted phenyl ring or an optionally substituted 5- or 6-membered aromatic heterocyclic ring; and Y represents a bond, —NHCO—, —CONH—, —CH2—, or —(CH2)mY1(CH2)n—, wherein Y1 represents O, S, SO2 or CO and m and n each represent zero or (I) such that the sum of m+n is zero or 1; providing that when A represents a group of formula (a), any substituent present in Ar ortho to the carboxamide moiety is necessarily a hydrogen or methoxy group; r and s independently represent an integer from zero to 3 such that the sum of r and s is equal to an integer from 1 to 4; V repres
    Type: Application
    Filed: December 3, 2002
    Publication date: August 21, 2003
    Applicant: SmithKline Beecham p.l.c.
    Inventors: Christopher Norbert Johnson, Geoffrey Stemp
  • Patent number: 6605607
    Abstract: Compounds of Formula I and their salts having affinity for dopamine receptors, in particular the D3 Receptor, and thus potential in the treatment of conditions wherein modulation of the D3 receptor is beneficial, e.g., as antipsychotic agents.
    Type: Grant
    Filed: July 16, 2001
    Date of Patent: August 12, 2003
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Michael Stewart Hadley, Christopher Norbert Johnson, Gregor James MacDonald, Geoffrey Stemp, Antonio Kuok Keong Vong
  • Patent number: 6521638
    Abstract: Compounds of formula (I) wherein R1, R2, A, q are as defined herein, and salts thereof, have affinity for dopamine receptors, in particular the D3 receptor, and thus have potential in the treatment of conditions wherein modulation of the D3 receptor is beneficial, e.g. as antipsychotic agents.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: February 18, 2003
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Christopher Norbert Johnson, Geoffrey Stemp
  • Patent number: 6465485
    Abstract: Compounds of formula (I): and their salts having affinity for dopamine receptors, in particular the D3 receptor, and thus potential in the treatment of conditions wherein modulation of the D3 receptor is beneficial, e.g., as antipsychotic agents.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: October 15, 2002
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Clive Leslie Branch, Christopher Norbert Johnson, Geoffrey Stemp
  • Publication number: 20020123630
    Abstract: A compound of formula (I) or pharmaceutically acceptable salt thereof: 1
    Type: Application
    Filed: December 17, 2001
    Publication date: September 5, 2002
    Applicant: SmithKline Beecham p.l.c.
    Inventors: Wai Ngor Chan, John Morris Evans, Geoffrey Stemp, Neil Upton, Robert Nicholas Willette
  • Patent number: 6358974
    Abstract: Compounds of formula (I) wherein: R1 represents a substituent selected from: a hydrogen or halogen atom; a hydroxy, cyano, nitro, trifluoromethyl, trifluoromethoxy, trifluoromethanesulfonyloxy, pentafluoroethyl, C1-4alkyl, C1-4alkoxy, arylC1-4alkoxy, C1-4alkylthio, C1-4alkoxyC1-4alkyl, C3-6cycloalkylC1-4alkoxy, C1-4alkanoyl, C1-4alkoxycarbonyl, C1-4alkylsulfonyl, C1-4alkylsulfonyloxy, C1-4alkylsulfonylC1-4alkyl, arylsulfonyl, arylsulfonyloxy, arylsulfonylC1-4alkyl, C1-4alkylsulfonamido, C1-4alkylamido, C1-4alkylsulfonamidoC1-4alkyl, C1-4alkylamidoC1-4alkyl, arylsulfonamido, arylcarboxamido, arylsulfonamidoC1-4alkyl, arylcarboxamidoC1-4alkyl, aroyl, aroylC1-4alkyl, or arylC1-4alkanoyl group; a group R5OCO(CH2)p, R5(CON(R6)(CH2)p, R5R6NCO(CH2)p or R5R6NSO2(CH2)p where each of R5 and R6 independently represents a hydrogen atom or a C1-4alkyl group or R5R6 forms part of a C3-6azacycloalkane or C3-6(2-oxo)azacycloalkane ring and p represents zero or an integer from 1 to 4; or a group Ar3—Z, wherein Ar3 repre
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: March 19, 2002
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Christopher Norbert Johnson, Geoffrey Stemp
  • Publication number: 20010021780
    Abstract: A compound of formula (I) or pharmaceutically acceptable salt thereof: 1
    Type: Application
    Filed: May 1, 2001
    Publication date: September 13, 2001
    Applicant: SmithKline Beecham p.l.c.
    Inventors: Wai Ngor Chan, John Morris Evans, Geoffrey Stemp, Neil Upton, Robert Nicholas Willette
  • Patent number: 6274593
    Abstract: The present invention provides compounds of formula (I): which are useful as antipsychotic agents.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: August 14, 2001
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Amanda Johns, David John Nash, Geoffrey Stemp
  • Patent number: 6143762
    Abstract: Compounds of formula (I), wherein R.sup.1 represents a substituent selected from: a hydrogen or halogen atom; a hydroxy, cyano, nitro, trifluoromethyl, trifluoromethoxy, trifluoromethanesulfonyloxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, arylC.sub.1-4 alkoxy, C.sub.1-4 alkylthio, C.sub.1-4 alkoxyC.sub.1-4 alkyl, C.sub.3-6 cycloalkylC.sub.1-4 alkoxy, C.sub.1-4 alkanoyl, C.sub.1-4 alkoxycarbonyl, C.sub.1-4 alkylsulphonyl, C.sub.1-4 alkylsulphonyloxy, C.sub.1-4 alkylsulphonylC.sub.1-4 alkyl, arylsulphonyl, arylsulphonyloxy, arylsulphonylC.sub.1-4 alkyl, C.sub.1-4 alkylsulphonamido, C.sub.1-4 alkylamido, C.sub.1-4 alkylsulphonamidoC.sub.1-4 alkyl, C.sub.1-4 alkylamidoC.sub.1-4 alkyl, arylsulphonamido, arylcarboxamido, arylsulphonamidoC.sub.1-4 alkyl, arylcarboxamidoC.sub.1-4 alkyl, aroyl, aroylC.sub.1-4 alkyl, or arylC.sub.1-4 alkanoyl group; a group R.sup.3 OCO(CH.sub.2).sub.p, R.sup.3 CON(R.sup.4)(CH2)p, R.sup.3 R.sup.4 NCO(CH.sub.2).sub.p or R.sup.3 R.sup.4 NSO.sub.2 (CH.sub.2).sub.p where each of R.sup.3 and R.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: November 7, 2000
    Assignee: SmithKline Beecham, plc
    Inventors: David John Nash, Geoffrey Stemp
  • Patent number: 6080752
    Abstract: A compound of formula (I): ##STR1## wherein R.sup.1 represents a group of formula (A) or (B): ##STR2## R.sup.2, R.sup.3, Ar, Y Ar.sup.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: June 27, 2000
    Assignee: SmithKline Beecham PLC
    Inventors: Geoffrey Stemp, Stephen Allan Smith, Christopher Norbert Johnson, Phillip Jeffrey