Patents Assigned to Wyeth
  • Patent number: 4062869
    Abstract: A process for preparing tryptophol derivatives comprises reducing a 3-indolylglyoxylic acid ester or acid halide using an alkali metal borohydride in the presence of an alcohol or ether solvent. The tryptophol derivatives prepared are useful as intermediates to pharmacologically active compounds.
    Type: Grant
    Filed: June 3, 1976
    Date of Patent: December 13, 1977
    Assignee: John Wyeth & Brother Limited
    Inventor: George Oliver Weston
  • Patent number: 4061641
    Abstract: The invention provides compounds of general formula I ##STR1## and pharmaceutically acceptable acid addition and quaternary ammonium salts thereof, wherein R represents hydrogen or lower alkyl, R.sup.1 represents hydrogen or lower alkyl, R.sup.2 represents hydrogen or lower alkyl, R.sup.3 represents hydrogen, halogen, lower alkoxy, hydroxy, or lower alkyl, R.sup.4 represents hydrogen, lower alkyl, cycloalkyl of 5 to 7 carbon atoms, thienyl, furyl, phenyl; phenyl mono- or disubstituted by halogen, lower alkyl, lower alkoxy, hydroxy or trifluoromethyl; or benzoyl, halobenzoyl, lower alkanoyl, cycloalkanoyl of 6 to 8 carbon atoms, or thienoyl, A represents an alkylene, mono- or diketo- or hydroxy-alkylene radical having from 1 to 5 carbon atoms and X is oxygen or sulphur.The compounds exhibit action on the cardiovascular system particularly hypotensive and/or anti-hypertensive activity.
    Type: Grant
    Filed: July 15, 1976
    Date of Patent: December 6, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Leheup Archibald, John Lambert Jackson
  • Patent number: 4061758
    Abstract: A group of heterocyclic compounds generally exhibiting central nervous system activity (such as depressant and anti-convulsant activities) and, in some cases, cardiovascular and/or anti-inflammatory activity are described. The compounds have the formula ##STR1## where A is an ethyl or propyl group which is monosubstituted by defined substituents or a di(loweralkyl) amino (loweralkoxy) carbonyl group and R is a phenyl group which may be substituted by defined substituents. Pharmaceutical compositions having hypotensive activity or central nervous system activity comprise a non-toxic carrier and an effective amount of such a compound.
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: December 6, 1977
    Assignee: John Wyeth & Brother Limited
    Inventor: John Leheup Archibald
  • Patent number: 4061640
    Abstract: Compounds of the formula ##STR1## in which W is quinolyl or lower alkyl quinolyl;A is alkylene of 1 to 6 carbon atoms;R is phenyl, halophenyl, lower alkoxy phenyl or lower alkyl phenyl;Or a pharmaceutically acceptable acid addition salt thereof, are hypotensive and bradycardial agents.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: December 6, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Frederick Cavalla, John Leheup Archibald
  • Patent number: 4061754
    Abstract: The invention relates to imidazo[1,2-a]quinolines of formula (I) ##STR1## and their pharmaceutically acceptable acid addition salts. In formula I R.sup.1 and R.sup.2 which may be the same or different each represent hydrogen, lower alkyl, lower alkoxy, trifluoromethyl or halogen, R.sup.3 and R.sup.4 which may be the same or different each represent lower alkyl and R.sup.5 represents hydrogen, lower alkyl, aryl or arylloweralkyl. The compounds possess hypotensive activity.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: December 6, 1977
    Assignee: John Wyeth & Brother Limited
    Inventor: Robin Michael Black
  • Patent number: 4056529
    Abstract: The invention relates to dibenzopyrimidoazepines of the formula (I) ##STR1## and their acid addition and quaternary ammonium salts. In formula (I) R.sup.1 and R.sup.2 each represent hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl and X represents two hydrogen atoms, an oxo group, a protected oxo group or an oximino group. The compounds in which X represents two hydrogen atoms, an oxo group or an oximino group possess hypoglycaemic activity. The compound in which X represents a protected oxo group are intermediates for preparing the compounds in which X is an oxo group. The dibenzopyrimidoazepines may be prepared by cyclising or cyclodehydrating novel morphanthridine derivatives.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: November 1, 1977
    Assignee: John Wyeth & Brother Limited
    Inventor: Robin Michael Black
  • Patent number: 4053615
    Abstract: Phthalimidopiperidines of the formula ##STR1## are described where R.sub.1 is hydrogen, lower alkyl, cycloalkyl of 5 to 7 carbon atoms, phenyl(lower)alkyl, pyridyl(lower)alkyl, furyl(lower)alkyl or thienyl(lower)alkyl and R.sub.2 and R.sub.3 are hydrogen or various substituents. The compounds are useful pharmaceutically, particularly as anti-convulsants, and also in some cases as anti-arrhythmic agents and anti-inflammatory agents, and in some cases useful as intermediates for the preparation of 4-aminoquinoline derivatives having anti-malarial activity.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: October 11, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Terence Arnott Boyle, John Christopher Saunders
  • Patent number: 4051139
    Abstract: The invention relates to magnesium halide derivatives of tetrahydroquinolines and related compounds. These are intermediates useful in the preparation of anti-ulcer agents.
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: September 27, 1977
    Assignee: John Wyeth & Brother Limited
    Inventor: Adrian Charles Ward Curran
  • Patent number: 4048177
    Abstract: The invention relates to quinoline derivatives of the formula (I) ##STR1## and the pharmaceutically acceptable acid addition salts of those compounds capable of forming acid addition salts. In formula (I), R.sup.1 and R.sup.2 which may be the same of different each represent hydrogen, lower alkyl, lower alkoxy, trifluoromethyl or halogen, R.sup.3 and R.sup.4 which may be the same or different each represent lower alkyl and X represents hydroxy, halogen, hydrazino, or a radical of formula -NR.sup.5 R.sup.6 where R.sup.5 and R.sup.6 which may be the same or different each represent hydrogen or lower alkyl or R.sup.5 and R.sup.6 together with the nitrogen atom to which they are both attached represent a saturated heterocyclic ring containing 5 to 7 ring atoms. The compounds possess hypotensive activity.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: September 13, 1977
    Assignee: John Wyeth & Brother Limited
    Inventor: Robin Michael Black
  • Patent number: 4048175
    Abstract: The invention provides 5,6,7,8-tetrahydroquinoline derivatives which are substituted at the 8-position by the group NHCSNHR.sup.5 where R.sup.5 is lower alkanoyl or aroyl. These compounds are intermediates for corresponding compounds where R.sup.5 is hydrogen, such compounds being anti-ulcer agents.This application is a continuation-in-part of our copending U.S. application Ser. No. 554,259 filed Feb. 28, 1975, now U.S. Pat. No. 3,991,065.
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: September 13, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: Adrian Charles Ward Curran, Roger Crossley, David George Hill
  • Patent number: 4046767
    Abstract: Novel piperidine compounds and their use in treatment of disorders and diseases of the cardiovascular system and/or in the treatment of superficial and deep allergic phenomena is described. These compounds are piperidine compounds linked by the nitrogen atom to cycloalkyl or a substituted or unsubstituted phenyl radical through the intermediary of a lower-alkylene radical. The piperidine ring is further substituted by an acylamino residue.
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: September 6, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Frederick Cavalla, John Leheup Archibald
  • Patent number: 4046895
    Abstract: The invention provides a compound of formula I ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and represent hydrogen or alkyl of 1-6 carbon atoms, R.sup.3 represents hydrogen, alkyl of 1-6 carbon atoms, or phenyl, X is Na, K, Li, or CSNHR.sup.4 wherein R.sup.4 is hydrogen or alkyl of 1-6 carbon atoms and n is 3, 4 or 5 or a pharmaceutically acceptacle acid addition salt of a compound where X is CSNHR.sup.4.The compounds of formula I wherein X is CSNHR.sup.4 are anti-ulcer agents. Those in which X is Na, K or Li are intermediates.
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: September 6, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: Adrian Charles Ward Curran, Robin Gerald Shepherd
  • Patent number: 4045566
    Abstract: This invention relates to compounds having the general formula: ##STR1## wherein W represents a phenyl or indolyl radical, either of which radicals may be unsubstituted or substituted by halogen, lower alkyl, lower alkoxy or hydroxy; A represents a lower alkylene radical an oxo lower alkylene radical or a hydroxy lower alkylene radical; R represents a phenyl radical optionally substituted by halogen, lower alkyl, lower alkoxy or hydroxy, or a cycloalkyl radical of 5 to 7 carbon atoms; R.sup.1 represents hydrogen or a lower alkyl radical or a pharmaceutically acceptable acid addition or quaternary ammonium salt thereof; which possess hypotensive activity.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: August 30, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Leheup Archibald, John Lambert Jackson
  • Patent number: 4045444
    Abstract: A group of heterocyclic compounds useful in the treatment of disorders and diseases of the cardiovascular system is described. These compounds are piperidine compounds linked by the nitrogen atom to a methylenedioxyphenyl or an ethylenedioxyphenyl radical through the intermediary of a group selected from a mono-keto lower alkylene radical or a hydroxy-lower-alkylene radical or a bivalent radical of the formula ##STR1## or --O--(lower alkylene). The piperidine rings are further substituted by a benzamido residue.
    Type: Grant
    Filed: April 20, 1976
    Date of Patent: August 30, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Frederick Cavalla, John Leheup Archibald
  • Patent number: 4044138
    Abstract: The invention relates to pharmaceutical compositions containing 5,6,7,8-tetrahydroquinoline-8-thioamides and nitriles and related tricyclic compounds and methods of treating ulcers using said compounds.
    Type: Grant
    Filed: October 24, 1975
    Date of Patent: August 23, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: Adrian Charles Ward Curran, Roger Crossley, David George Hill
  • Patent number: 4038401
    Abstract: The invention provides 4-benzamido-1-[4-(indol-3-yl)-4-oxobutyl] piperidine and the pharmaceutically acceptable acid addition salts thereof. The compound and its salts exhibit hypotensive and anti-hypertensive activity.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: July 26, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Leheup Archibald, John Lambert Jackson
  • Patent number: 4033809
    Abstract: A method for transferring a coverslip from one location to another comprises placing a suction pad on to one surface of the coverslip, applying suction to the suction pad so that the coverslip adheres temporarily to the suction pad and transferring the suction pad with the adhering coverslip from a first location to a second location. The invention also provides a specific apparatus for carrying out the method. Also provided is an apparatus for feeding coverslips singly from a stack of coverslips employing an open bottomed hopper for the stack of coverslips which rests on a plate having a depression, to accommodate a single coverslip, in its upper surface. The invention further provides a substantially automatic apparatus for placing mounting medium and coverslips on to microscope slides which apparatus can include the apparatus for transferring coverslips and the apparatus for feeding coverslips singly from a stack of coverslips.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: July 5, 1977
    Assignee: John Wyeth & Brother Limited
    Inventor: Peter William Tipton
  • Patent number: 4034098
    Abstract: This invention relates to compounds having the general formula: ##STR1## WHEREIN W represents a phenyl or indolyl radical, either of which radicals may be unsubstituted or substituted by halogen, lower alkyl, lower alkoxy or hydroxy. A represents a lower alkylene radical, an oxo lower alkylene radical or a hydroxy lower alkylene radical; R represents a phenyl radical optionally substituted by halogen, lower alkyl, lower alkoxy or hydroxy, a cycloalkyl radical of 5 to 7 carbon atoms or a lower alkyl radical; R.sup.1 represents hydrogen or a lower alkyl radical or a pharmaceutically acceptable acid addition or quaternary ammonium salt thereof; which possess hypotensive activity.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: July 5, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Leheup Archibald, John Lambert Jackson
  • Patent number: 4031102
    Abstract: The invention relates to novel cyclopenteno[b]pyridine derivatives which have a thioamide group in the 7-position and related tricyclic compounds. The compounds are anti-ulcer agents.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: June 21, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: Adrian Charles Ward Curran, Roger Crossley, David George Hill
  • Patent number: 4029801
    Abstract: Pharmaceutical compositions containing a group of heterocyclic compounds and their use in treatment of disorders and diseases of the cardiovascular system and/or in the treatment of superficial and deep allergic phenomena is described. These compounds used in the composition and/or methods are piperidine compounds linked by the nitrogen atom to a substituted or unsubstituted cycloalkyl, aryl or heterocyclic radical through the intermediary of a group selected from a lower-alkylene radical, a monoketo lower-alkylene radical or a hydroxy-lower-alkylene radical, or a bivalent radical of the formula --NH.CO.(CH.sub.2).sub.n -- where n is 1, 2 or 3, ##STR1## or --0-(lower-alkylene)--. The piperidine ring is further substituted by an acylamino residue.
    Type: Grant
    Filed: April 2, 1975
    Date of Patent: June 14, 1977
    Assignee: John Wyeth & Brother Limited
    Inventors: John Frederick Cavalla, John Leheup Archibald