Patents by Inventor Laramie M. Gaster

Laramie M. Gaster 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).

  • Patent number: 5637611
    Abstract: Use of a compound of general formula (I): ##STR1## wherein: R.sup.1 represents hydrogen, halogen, trifluoromethyl, nitro, hydroxy, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, arylC.sub.1-6 alkoxy, --CO.sub.2 R.sup.4, --(CH.sub.2).sub.n CN, --(CH.sub.2).sub.n CONR.sup.5 R.sup.6, --(CH.sub.2).sub.n SO.sub.2 NR.sup.5 R.sup.6, C.sub.1-6 alkanoylamino (CH.sub.2).sub.n, or C.sub.1-6 alkylsulphonylamino (CH.sub.2).sub.n ;R.sup.4 represents hydrogen, C.sub.1-6 alkyl or arylC.sub.1-6 alkyl;R.sup.5 and R.sup.6 each independently represent hydrogen or C.sub.1-6 alkyl, or R.sup.5 and R.sup.6 together with the nitrogen atom to which they are attached form a ring;n represents 0, 1 or 2; andR.sup.2 and R.sup.3 each independently represent hydrogen, C.sub.1-6 alkyl or benzyl or together with the nitrogen atom to which they are attached form a pyrrolidino, piperidino or hexahydroazepino ring;or a physiologically acceptable salt thereof, in the manufacture of a medicament for the treatment of a condition where a 5-HT.sub.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: June 10, 1997
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Francis D. King, Laramie M. Gaster, Alberto J. Kaumann, Rodney C. Young
  • Patent number: 5620992
    Abstract: A compound of formula (I) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, X.sub.1, X.sub.2, x, Y and Z are as defined in the specification are useful in the treatment or prophylaxis of gastrointestinal disorders, cardiovascular disorders and CNS disorders.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: April 15, 1997
    Assignee: SmithKline Beecham plc
    Inventors: Francis D. King, Laramie M. Gaster, Keith R. Mulholland
  • Patent number: 5580885
    Abstract: The use of a compound of formula (I) or pharmaceutically acceptable salt thereof, in which X.sub.1 --(CH.sub.2).sub.x --X.sub.2 forms a 5-7 membered ring wherein: X.sub.1 is O or S; X.sub.2 is O, S, NR or NRCO wherein R is hydrogen or C.sub.1-6 alkyl; x is 1, 2 or 3; Y is O or NH; Z is sub-formula (a), (b) or (c) in the manufacture of a medicament for use in the treatment of gastrointestinal disorders, cardiovascular disorders and CNS disorders.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: December 3, 1996
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Francis D. King, Laramie M. Gaster, Keith R. Mulholland, Shirley K. Rahman, Paul A. Wyman, Gareth J. Sanger, Kay A. Wardle, Gordon S. Baxter, Guy A. Kennett, Alberto J. Kauman
  • Patent number: 5552398
    Abstract: Compounds of formula (I), ##STR1## wherein L is N or CR.sub.c, wherein R.sub.c is hydrogen, alkoxy, halo, alkyl or cyano; Q is NR.sub.1, CH.sub.2, O, or S; R.sub.a is hydrogen, halo, alkyl, amino, nitro or alkoxy; R.sub.b is hydrogen, halo, alkyl or alkoxy; R.sub.1 is hydrogen, alkyl, alkenyl, aralkyl, alkanoyl, or alkanoylalkyl; R.sub.2 is alkoxy; R.sub.3 is hydrogen, chloro or fluoro; R.sub.4 is hydrogen, alkyl, amino optionally substituted by alkyl, halo, hydroxy or alkoxy; R.sub.5 is hydrogen, halo, alkyl, alkoxy, nitro, amino or alkylthio; R.sub.6 is hydrogen, halo, alkyl, alkoxy or amino; n is 0, 1, 2, 3, or 4; p and m are independently 0, 1 or 2; and R.sub.q is hydrogen or C.sub.1-6 are 5-HT.sub.4 receptor antagonists.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: September 3, 1996
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Francis D. King, Laramie M. Gaster, Paul A. Wyman
  • Patent number: 5492919
    Abstract: The invention provides the use of a compound of formula (I) ##STR1## wherein A, E, F, U, X, Y, Z, are as defined in the specification, or a pharmaceutically acceptable salt thereof, for the treatment of diarrhea predominant irritable bowel syndrome.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: February 20, 1996
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Gareth J. Sanger, Francis D. King, Gordon S. Baxter, Laramie M. Gaster, Alberto J. Kaumann, Guy A. Kennett, Keith R. Mulholland, Mythily Vimal, Kay A. Wardle, Paul A. Wyman, Rodney C. Young
  • Patent number: 5464864
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: November 7, 1995
    Assignee: SmithKline Beecham P.L.C.
    Inventors: Francis D. King, Laramie M. Gaster, Alberto J. Kaumann, Rodney C. Young
  • Patent number: 5010097
    Abstract: Novel compounds of the formula (I), a process for their preparation and their use as collagenase inhibitors are described: ##STR1## in which, R.sub.1 is hydrogen, alkyl, or optionally substituted aryl;R.sub.2 is hydrogen, or acyl such as ##STR2## where Z is optionally substituted aryl; R.sub.3 is C.sub.3-6 alkyl;R.sub.4 is hydrogen, alkyl, --CH.sub.2 --R.sub.10 where R.sub.10 is optionally substituted phenyl or heteroaryl, or a group ##STR3## where R.sub.11 is hydrogen, alkyl, or --CH.sub.2 --Ph where Ph is optionally substituted phenyl, and R.sub.12 is hydrogen or alkyl; andR.sub.5 is hydrogen, alkyl, or a group ##STR4## where R.sub.13 is hydrogen, or alkyl, and R.sub.14 is hydroxy, alkoxy, or --NR.sub.6 R.sub.7, where each of R.sub.6 and R.sub.7 is hydrogen or alkyl, or R.sub.6 and R.sub.7 together with the nitrogen atom to which they are bonded form a 5-, 6- or 7-membered ring with an optional oxygen or sulphur atom in the ring or an optional further nitrogen atom optionally substituted by alkyl.
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: April 23, 1991
    Assignee: Beecham Pharmaceuticals
    Inventors: Roger E. Markwell, Stephen A. Smith, Ian Hughes, Laramie M. Gaster
  • Patent number: 4638066
    Abstract: Compounds of formula (I), ##STR1## or an N-oxide or pharmaceutically acceptable salt thereof, wherein R.sub.1 is hydrogen, C.sub.1-7 alkyl, C.sub.3-7 cycloalkyl, C.sub.4-7 cycloalkenyl or C.sub.1-4 alkyl substituted by C.sub.2-7 alkenyl, C.sub.2-7 alkynyl, C.sub.3-7 cycloalkyl, hydroxy, thiol, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, carboxy, C.sub.1-4 alkoxycarbonyl, C.sub.1-4 alkanoyl, amino optionally substituted by one or two C.sub.1-4 alkyl or by C.sub.4-6 polymethylene optionally containing an oxygen or nitrogen atom, aminocarbonyl optionally N-substituted by one or two C.sub.1-4 alkyl, or benzoyl or phenyl either being optionally ring-substituted by C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen or trifluoromethyl, R.sub.2 and R.sub.3 are the same or different and are hydrogen, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, halogen or trifluoromethyl, m is 1 to 3 and n is 1 or 2, the hydrogen atom bonded to the C.sub.a carbon atom being trans to the hydrogen atom bonded to the C.sub.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: January 20, 1987
    Assignee: Beecham Group p.l.c.
    Inventors: Laramie M. Gaster, Barry S. Orlek
  • Patent number: 4585588
    Abstract: Compounds of formula (I), ##STR1## or an N-oxide or pharmaceutically acceptable salt thereof, wherein R.sub.1 is hydrogen, C.sub.1-7 alkyl, C.sub.3-7 cycloalkyl, C.sub.4-7 cycloalkenyl or C.sub.1-4 alkyl substituted by C.sub.2-7 alkenyl, C.sub.2-7 alkynyl, C.sub.3-7 cycloalkyl, hydroxy, thiol, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, carboxy, C.sub.1-4 alkoxycarbonyl, C.sub.1-4 alkanoyl, amino optionally substituted by one or two C.sub.1-4 alkyl or by C.sub.4-6 polymethylene optionally containing an oxygen or nitrogen atom, aminocarbonyl optionally N-substituted by one or two C.sub.1-4 alkyl, or benzoyl or phenyl either being optionally ring-substituted by C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen or trifluoromethyl, R.sub.2 and R.sub.3 are the same or different and are hydrogen, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, halogen or trifluoromethyl, m is 1 to 3 and n is 1 or 2, the hydrogen atom bonded to the C.sub.a carbon atom being trans to the hydrogen atom bonded to the C.sub.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: April 29, 1986
    Assignee: Beecham Group p.l.c.
    Inventors: Laramie M. Gaster, Barry S. Orlek
  • Patent number: 4504480
    Abstract: Compounds of formula (I), ##STR1## or an N-oxide or pharmaceutically acceptable salt thereof, wherein R.sub.1 is hydrogen, C.sub.1-7 alkyl, C.sub.3-7 cycloalkyl, C.sub.4-7 cycloalkenyl or C.sub.1-4 alkyl substituted by C.sub.2-7 alkenyl, C.sub.2-7 alkynyl, C.sub.3-7 cycloalkyl, hydroxy, thiol, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, carboxy, C.sub.1-4 alkoxycarbonyl, C.sub.1-4 alkanoyl, amino optionally substituted by one or two C.sub.1-4 alkyl or by C.sub.4-6 polymethylene optionally containing an oxygen or nitrogen atom, aminocarbonyl optionally N-substituted by one or two C.sub.1-4 alkyl, or benzoyl or phenyl either being optionally ring-substituted by C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen or trifluoromethyl, R.sub.2 and R.sub.3 are the same or different and are hydrogen, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alklthio, halogen or trifluoromethyl, m is 1 to 3 and n is 1 or 2, the hydrogen atom bonded to the C.sub.a carbon atom being trans to the hydrogen atom bonded to the C.sub.
    Type: Grant
    Filed: March 4, 1983
    Date of Patent: March 12, 1985
    Assignee: Beecham Group p.l.c.
    Inventors: Laramie M. Gaster, Barry S. Orlek
  • Patent number: 4442098
    Abstract: Compounds of formula (I): ##STR1## wherein: X is CH.sub.2, O, S or NR wherein R is hydrogen or C.sub.1-4 alkyl;Y and Z are independently selected from hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen or CF.sub.3 ;R.sub.1 is hydrogen, C.sub.1-6 alkyl, phenyl or phenyl-C.sub.1-4 alkyl any of which phenyl moieties may be substituted by one or more of C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or CF.sub.3 ;R.sub.2 is hydrogen, OH, C.sub.1-6 alkoxy, phenyl-C.sub.1-4 alkoxy, C.sub.1-7 acyloxy or NR.sub.4 R.sub.5 wherein R.sub.4 and R.sub.5 are independently selected from hydrogen or C.sub.1-6 alkyl; R.sub.4 is hydrogen and R.sub.5 is OH or C.sub.1-4 alkoxy; or R.sub.4 and R.sub.5 together form C.sub.3-6 polymethylene optionally interrupted by O or NR.sub.6 where R.sub.6 is hydrogen or C.sub.1-4 alkyl; or together with R.sub.1 forms an oxo group or .dbd.NOR.sub.7 wherein R.sub.7 is hydrogen or C.sub.1-6 alkyl; andR.sub.3 is hydrogen or C.sub.
    Type: Grant
    Filed: December 18, 1981
    Date of Patent: April 10, 1984
    Assignee: Beecham Group Limited
    Inventors: Derek V. Gardner, Laramie M. Gaster
  • Patent number: 4243682
    Abstract: 4-(6-Substituted naphthyl)butan-2-ols,-butan-2-ones,-pentan-2-ols and -pentan-2-ones bearing a fluoro group in the naphthyl ring, and pro-drugs thereof, are anti-inflammatory agents. A typical embodiment is 4-(4-fluoro-6-methoxy-2-naphthyl)-butan-2-one.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: January 6, 1981
    Assignee: Beecham Group Limited
    Inventors: Alexander C. Goudie, Laramie M. Gaster
  • Patent number: 4221741
    Abstract: This invention provides a process for the preparation of 4-(6'-methoxy-2'naphthyl)-butan-2-one, which process comprises the hydrogenation of 4-(6' methoxy-2'-naphthyl)-4-hydroxy-but-3-en-2-one.
    Type: Grant
    Filed: January 19, 1979
    Date of Patent: September 9, 1980
    Assignee: Beecham Group Limited
    Inventor: Laramie M. Gaster