Patents by Inventor Terence J. Ward

Terence J. Ward 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: 5622951
    Abstract: Piperazine derivatives of formula (I) and their pharmaceutically acceptable salts are 5-HT.sub.1A binding agents and may be used, for example, as anxiolytics. In the formula, R and R.sup.3 are hydrogen or lower alkyl or R.sup.3 is spirocycloalkyl, R.sup.1 and R.sup.2 are aryl or heteroaryl radicals and n is 1 or 2 and m is 1 to 3 and the total of n+m is 2-4.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: April 22, 1997
    Assignee: John Wyeth & Brother Ltd.
    Inventors: Terence J. Ward, Mark A. Ashwell
  • Patent number: 5610154
    Abstract: Bicyclic carboxamides of formula I ##STR1## and the pharmaceutically acceptable acid addition salts are 5-HT.sub.1A binding agents, particularly 5-HT.sub.1A antagonists and may be used, for example, as anxiolytics. In the formulaX represents --CR.sup.2 .dbd.CR.sup.2 -- or --(CR.sup.2)q--;m represents 0,1 or 2; n represents 0,1 or 2; p represents 0,1,2 or 3 and q represents 0,1,2 or 3;A is an alkylene chain of 1 or 2 carbon atoms optionally substituted by one or more lower alkyl groups,R is a mono or bicyclic aryl or heteroaryl radical,R.sup.1 is an aryl or aryl(lower)alkyl radicaland each R.sup.2 is independently hydrogen or lower alkyl.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: March 11, 1997
    Assignees: John Wyeth & Brother, Ltd., American Home Products Corp.
    Inventors: Ian A. Cliffe, Howard L. Mansell, Terence J. Ward, James A. Nelson, Uresh S. Shah, Mira A. Kanzelberger
  • Patent number: 5436251
    Abstract: (Endo)-N-[[[8-azabicyclo[3.2.1]octan-3-yl]amino]carbonyl]-2-(cyclopropylmet hyloxy)benzamide and pharmaceutically acceptable salts thereof possess 5-HT.sub.3 antagonistic activity and are useful in the treatment of neuro-psychiatric disorders (e.g. anxiety), gastro-intestinal disorders and migraine.
    Type: Grant
    Filed: August 13, 1993
    Date of Patent: July 25, 1995
    Assignee: John Wyeth & Brother, Limited
    Inventors: Terence J. Ward, Gerald Bradley
  • Patent number: 5430033
    Abstract: Piperazine derivatives of formula I ##STR1## and their pharmaceutically acceptable acid addition salts are 5-HT.sub.1A binding agents, particularly 5-HT.sub.1A antagonists and may be used, for example, as anxiolytics. In the formula R is hydrogen or one or two lower alkyl groups, R.sup.1 is a mono of bicyclic aryl or heteroaryl radical, R.sup.2 is aryl and A is a C.sub.2-5 alkylene chain optionally substituted by lower alkyl.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: July 4, 1995
    Assignee: John Wyeth & Brother Ltd.
    Inventors: Ian A. Cliffe, Anderson D. Ifill, Howard L. Mansell, Terence J. Ward, Alan C. White
  • Patent number: 5362734
    Abstract: Compounds of formula ##STR1## wherein R.sup.1 is hydrogen or one or more specified substituents,X is --O-- or --NR.sup.2 -- where R.sup.2 is lower alkyl, lower alkenyl, lower alkynyl, aryl or specified substituted lower alkyl orR.sup.2 represents a group --Z-- which is connected to the 8-position of the aromatic ring so as to form a heterocyclic ring of 5 to 7 ring members,Y is O or NR.sup.3 where R.sup.3 is hydrogen or lower alkyl,andB is a saturated azabicyclic ring (e.g. tropanyl or quinuclidinyl) or a N-oxide thereofand their acid addition salts are 5-HT.sub.3 antagonists which may be used in, for example, the treatment of neuro-psychiatric disorders.
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: November 8, 1994
    Assignee: American Home Products Corporation
    Inventors: Terence J. Ward, Janet C. White
  • Patent number: 5346896
    Abstract: Disclosed herein are piperazine derivatives of the formula ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein W is (CH.sub.2).sub.m, CHOH or O,m is one of the integers 1 or 2,A is an alkylene chain of 1 to 3 carbon atoms optionally substituted by one or more (lower)alkyl groups,R is hydrogen or lower alkyl,R.sup.1 and R.sup.2 are each, independently, aryl or heteroaryl radicals with the proviso that R.sup.1 is not an optionally substituted indolyl radical,R.sup.3 is hydrogen or lower alkyl andR.sup.4 is an aryl or heteroaryl radical.The compounds are 5HT.sub.1A binding agents which may be used, for example, in the treatment of CNS disorders such as anxiety.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: September 13, 1994
    Assignee: John Wyeth & Brother, Limited
    Inventors: Terence J. Ward, Graham J. Warrellow
  • Patent number: 5225419
    Abstract: Compounds of formula ##STR1## wherein R.sup.1 is hydrogen or one or more specified substituents,X is --O--or --NR.sup.2 -- where R.sup.2 is lower alkyl, lower alkenyl, lower alkynyl, aryl or specified substituted lower alkyl or R.sup.2 represents a group --Z-- which is connected to the 8-position of the aromatic ring so as to form a heterocyclic ring of 5 to 7 ring members,Y is O or NR.sup.3 where R.sup.3 is hydrogen or lower alkyl,andB is a saturated azabicyclic ring (eg tropanyl or quinuclidinyl) or a N-oxide thereofand their acid addition salts are 5-HT.sub.3 antagonists which may be used in, for example, the treatment of neuro-psychiatric disorders.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: July 6, 1993
    Assignee: John Wyeth & Brother, Limited
    Inventors: Terence J. Ward, Janet C. White
  • Patent number: 5212179
    Abstract: The invention concerns the preparation of compounds of formula ##STR1## and acid addition and quaternary ammonium salts thereof, wherein the dotted line represents an optional bond, Ar represents a ring system of formula ##STR2## in which Q is O, S, --CR.sup.7 .dbd.CR.sup.8 --, --N.dbd.CR.sup.8 -- and --N.dbd.N--; R.sup.4, R.sup.5 and R.sup.6 ; and R.sup.7 and R.sup.8 when present, each represent hydrogen or a substituent selected from lower alkyl, lower alkenyl, lower alkoxy, NO.sub.2, NH.sub.2, haloloweralkyl, hydroxyloweralkyl, aminoloweralkyl, substituted amino, halogen, loweralkoxycarbonyl, cyano, CONH.sub.2 and hydroxy; and additionally either R.sup.4 and R.sup.5 when adjacent or R.sup.6 and R.sup.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: May 18, 1993
    Assignee: John Wyeth and Brother Limited
    Inventors: John L. Archibald, Terence J. Ward
  • Patent number: 5177078
    Abstract: Compounds of formula ##STR1## where A is an alkylene chain of 1 or 2 carbon atoms optionally substituted by one or more lower alkyl groups,R is hydrogen or lower alkyl,R.sup.1 is an aryl or heteroaryl radical,R.sup.2 is a mono- or bicyclic heterocyclic radical,R.sup.3 is hydrogen, lower alkyl or hydroxy andR.sup.4 is a aryl or heteroaryl radical,and their pharmaceutically acceptable acid addition salts are 5-HT.sub.1A binding agents which may be used, for example, for the treatment of CNS--disorders such as anxiety.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: January 5, 1993
    Assignee: John Wyeth & Brother Limited
    Inventors: Terence J. Ward, Graham J. Warrellow
  • Patent number: 5106843
    Abstract: Aryl ureas and carbamic acid derivatives of formulaA--NHCW--Y--Band pharmaceutically acceptable salts thereof whereinA is a specified aromatic radical including 3,5-dichlorophenylW is O or SY is NH or O andB is a specified saturated azacyclic ring, e.g. tropan-3-yl or quinuclidin-3-yl,possess 5-HT.sub.3 -antagonistic activity and are, for example, useful in treatment of migraine, emesis, anxiety, gastro-intestinal disorders and as anti-psychotics.
    Type: Grant
    Filed: December 19, 1989
    Date of Patent: April 21, 1992
    Assignee: American Home Products Corporation
    Inventors: Terence J. Ward, Janet C. White
  • Patent number: 5096901
    Abstract: Compounds of formula ##STR1## wherein R.sup.1 is hydrogen or one or more specified substituents,X is --O-- or --NR.sup.2 -- where R.sup.2 is lower alkyl, lower alkenyl, lower alkynyl, aryl or specified substituted lower alkyl or R.sup.2 represents a group --Z-- which is connected to the 8-position of the aromatic ring so as to form a heterocyclic ring of 5 to 7 ring members,Y is O or NR.sup.3 where R.sup.3 is hydrogen or lower alkyl, andB is a saturated azabicyclic ring (eg tropanyl or quinuclidinyl) or a N-oxide thereof and their acid addition salts are 5-HT.sub.3 antagonists which may be used in, for example, the treatment of neuro-psychiatric disorders.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: March 17, 1992
    Assignee: John Wyeth & Brother Limited
    Inventors: Terence J. Ward, Janet C. White
  • Patent number: 5068337
    Abstract: The invention concerns compounds of formula ##STR1## or salts thereof; wherein Ar is an optionally substituted aryl radical;R represents hydrogen or an optionally substituted alkyl or aralkyl group;R.sup.1 and R.sup.2 are the same or different and are selected from hydrogen and saturated or unsaturated, cyclic or acyclic aliphatic hydrocarbon residues optionally substituted by one or more groups selected from halogen, OH, carboxy, CN, alkoxy, alkylthio, aryloxy, alkoxycarbonyl, amino, substituted amino, and optionally substituted aryl;A represents a group of formula --XR.sup.3 whereinX is (i) a group of formula --(CHR.sup.6).sub.p --Y--(CHR.sup.7).sub.q --or (ii) a group of formula --(CHR.sup.6).sub.r --O--(CHR.sup.7).sub.qin which formulae: Y represents --S--, NR.sup.8 or a direct bond, p and q each represent 0, 1 or 2 providing that p and q do not both represent 0, 1 or 2 and the other is zero; R.sup.6, R.sup.7 and R.sup.8 independently represent hydrogen or lower alkyl, and R.sup.
    Type: Grant
    Filed: November 13, 1986
    Date of Patent: November 26, 1991
    Assignee: John Wyeth & Brother Limited
    Inventors: John L. Archibald, Terence J. Ward, Albert Opalko
  • Patent number: 5064842
    Abstract: The invention concerns compounds of formula ##STR1## or salts thereof; wherein:.alpha. and .beta. together represent a bond and additionally when B is an electron withdrawing group .alpha. can also represent OH and .beta. can represent hydrogen;Ar is an optionally substituted aryl or heteroaryl radical;R represents hydrogen or an optionally substituted alkyl or aralkyl group;R.sup.1 and R.sup.2 are the same or different and are selected from hydrogen and saturated or unsaturated, cyclic or acyclic aliphatic hydrocarbon residues optionally substituted by one or more groups selected from halogen, OH, carboxy, CN, alkoxy, alkylthio, aryloxy, alkoxycarbonyl, amino, substituted amino, and optioanlly substituted aryl or heteroaryl;A represents a group of formula --XR.sup.3 wherein X is a group of formula --(CHR.sup.6).sub.p --Y--(CHR.sup.7).sub.q -- in which formula: Y represents --O--, --S--, NR.sup.8 or a direct bond, p and q each represent 0, 1 or 2 R.sup.6, R.sup.7 and R.sup.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: November 12, 1991
    Assignee: John Wyeth & Brother Limited
    Inventors: John L. Archibald, Terence J. Ward, Albert Opalko
  • Patent number: 4985438
    Abstract: The invention concerns the preparation of compounds of formula ##STR1## and acid addition and quaternary ammonium salts thereof, wherein the dotted line represents an optional bond, Ar represents a ring system of formula ##STR2## in which Q is O, S, --CR.sup.7 .dbd.CR.sup.8 --, --N.dbd.CR.sup.8 -- and --N.dbd.N--; R.sup.4, R.sup.5 and R.sup.6 ; and R.sup.7 and R.sup.8 when present, each represent hydrogen or a substitutent selected from lower alkyl, lower alkenyl, lower alkoxy, NO.sub.2, NH.sub.2, haloloweralkyl, hydroxyloweralkyl, aminoloweralkyl, substituted amino, halogen, loweralkoxycarbonyl, cyano, CONH.sub.2 and hydroxy; and additionally either R.sup.4 and R.sup.5 when adjacent or R.sup.6 and R.sup.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: January 15, 1991
    Assignee: John Wyeth & Brother, Limited
    Inventors: John L. Archibald, Terence J. Ward
  • Patent number: 4983600
    Abstract: Aroyl ureas and carbamic acid derivatives of formulaA--CO--NHCW--Y--Band pharmaceutically acceptable salts thereof whereinA is a specified aromatic radical including optionally substituted phenylW is O or SY is NH or S andB is a specified saturated azacyclic ring, eg tropan-3-yl or quinuclidin-3-yl,possess 5-HT.sub.3 -antagonistic activity and are, for example, useful in treatment of migraine, emesis, anxiety, gastro-intestinal disorders and as anti-psychotics.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: January 8, 1991
    Assignee: John Wyeth & Brother Limited
    Inventors: Terence J. Ward, Janet C. White, Gerald Bradley
  • Patent number: 4959375
    Abstract: Piperidine derivatives of the formula ##STR1## and pharmaceutically acceptable acid addition salts thereof wherein A represents an aromatic radical selected from ##STR2## wherein R.sup.3 is hydrogen, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy or halogen; X.sup.1 -X.sup.2 represents CH.sub.2 --CH, NR.sup.4 --CH, O--CH, S--CH, CH.sub.2 --N, O--N, S--N, NR.sup.4 --N, CH--NR.sup.4 or N--NR.sup.4 [where R.sup.4 is hydrogen, (C.sub.1-4)alkyl, phenyl or phenyl(C.sub.1-4)alkyl] or ##STR3## wherein R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are independently hydrogen, halogen, trifluoromethyl, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy, hydroxy, nitro, amino, (C.sub.1-4)alkylamino, di(C.sub.1-4)alkyl-amino, (C.sub.2-4)alkanoylamino, mercapto or (C.sub.1-4)alkylthio and R.sup.1 and R.sup.2 are independently hydrogen, (C.sub.1-4)alkyl or (C.sub.1-4)alkylphenyl or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached represent pyrrolidino or piperidino possess 5-HT.sub.3 -antagonistic activity.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: September 25, 1990
    Assignee: John Wyeth & Brothers Limited
    Inventor: Terence J. Ward
  • Patent number: 4900750
    Abstract: This invention concerns compounds of formula ##STR1## or salts thereof, wherein: Ar is an optionally substituted aryl radical;R represents hydrogen or an optionally substituted alkyl, aralkyl, or aryl group;R.sup.1 and R.sup.2 are the same or different and are selected from hydrogen and saturated or unsaturated, cyclic or acyclic aliphatic hydrocarbon residues optionally substituted by one or more groups selected from halogen, OH, carboxy, CN, alkoxy, alkylthio, aryloxy, alkoxycarbonyl, amino, substituted amino, and optionally substituted aryl;A and B independently represent a group of formula --XR.sup.3 whereinX is a group of formula --(CHR.sup.6).sub.p Y(CHR.sup.7).sub.q --whereinY represents --O--, --S--, --NR.sup.8 -- or a direct bond; p and q each represent 0, 1 or 2 providing that p and q do not both represent O when Y is a direct bond; and R.sup.6, R.sup.7 and R.sup.8 are independently hydrogen or alkyl; and R.sup.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: February 13, 1990
    Assignee: John Wyeth & Brother, Limited
    Inventors: John L. Archibald, Terence J. Ward, Albert Opalko
  • Patent number: 4866075
    Abstract: The invention concerns compounds of formula: ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, halogen, lower alkoxy or hydroxy; R.sub.2 represents hydrogen or lower alkyl; A represents an alkylene, oxoalkylene or hydoxyalkylene chain each having 2 to 6 carbon atoms, R.sub.3 and R.sub.4 may be in the same or different rings and independently represent hydrogen, lower alkyl, lower alkoxy, amino or halogen and one of X and Y represents nitrogen the other represents CR.sub.5 wherein R.sub.5 is one of the values for R.sub.3 or R.sub.5 is the bond to the NHCO group; or a pharmaceutically acceptable salt thereof, which compounds possess antihypertensive activity whilst exhibiting reduced CNS depressant properties. Also disclosed are processes for preparing the compounds and pharmaceutical compositions containing them.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: September 12, 1989
    Assignee: John Wyeth and Brother Limited
    Inventors: John L. Archibald, Terence J. Ward, Janet C. White
  • Patent number: 4806552
    Abstract: The invention concerns the preparation of compounds of formula ##STR1## and acid addition and quaternary ammonium salts thereof, wherein the dotted line represents an optional bond, Ar represents a ring system of formula ##STR2## in which Q is O, S, --CR.sup.7 .dbd.CR.sup.8 --, --N.dbd.CR.sup.8 -- and --NM.dbd.N--; R.sup.4, R.sup.5 and R.sup.6 ; and R.sup.7 and R.sup.8 when present, each represent hydrogen or a substituent selected from lower alkyl, lower alkenyl, lower alkoxy, NO.sub.2, NH.sub.2, haloloweralkyl, hydroxyloweralkyl, aminoloweralkyl, substituted amino, halogen, loweralkoxycarbonyl, cyano, CONH.sub.2 and hydroxy; and additionally either R.sup.4 and R.sup.5 when adjacent or R.sup.6 and R.sup.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: February 21, 1989
    Assignee: John Wyeth & Brother, Limited
    Inventors: John L. Archibald, Terence J. Ward
  • Patent number: 4801595
    Abstract: The invention concerns compounds of formula: ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, halogen, lower alkoxy or hydroxy; R.sub.2 represents hydrogen or lower alkyl; A represents an alkylene, oxoalkylene or hydroxyalkylene chain each having 2 to 6 carbon atoms, R.sub.3 and R.sub.4 may be in the same or different rings and independently represent hydrogen, lower alkyl, lower alkoxy, amino or halogen and one of X and Y represents nitrogen the other represents CR.sub.5 wherein R.sub.5 is one of the values for R.sub.3 or R.sub.5 is the bond to the NHCO group; or a pharmaceutically acceptable salt thereof, which compounds possess antihypertensive activity while exhibiting reduced CNS depressant properties. Also disclosed are processes for preparing the compounds and pharmaceutical compositions containing them.
    Type: Grant
    Filed: December 15, 1986
    Date of Patent: January 31, 1989
    Assignee: John Wyeth & Brother Limited
    Inventors: John L. Archibald, Terence J. Ward, Janet C. White