Patents Represented by Attorney Arthur G. Seifert
  • Patent number: 5532242
    Type: Grant
    Filed: July 7, 1994
    Date of Patent: July 2, 1996
    Assignee: John Wyeth & Brother, Limited
    Inventor: Ian A. Cliffe
  • Patent number: 5530006
    Abstract: Disclosed herein is an aqueous, injectable rapamycin solution comprising 0.1 to 10 percent of a concentrate solution of rapamycin in N,N-dimethylacetamide, at concentrations of rapamycin ranging from 0.25 mg/ml to 100 mg/ml, in combination with a diluent solution consisting of 0.1 to 10 weight percent of one or more polyoxyethylene sorbitan esters, 10 to 60 weight percent of either polyethylene glycol 200 or 300 or both and 30 to 90 volume percent water, wherein the concentration of rapamycin in he combined solution ranges from 0.05 mg/ml to 5.0 mg/ml. Also disclosed is an aqueous, injectable solution of rapamycin, said solution comprising rapamycin in 0.1 to 10 weight percent N,N-dimethylacetamide, 0.09 to 7.5 weight percent of one or more polyoxyethylene sorbitan esters, 9 to 60 weight percent of either polyethylene glycol 200 or 300 or both and 30 to 90 volume percent of water, wherein the concentration of rapamycin in the solution ranges from 0.05 mg/ml to 5.0 mg/ml.
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: June 25, 1996
    Assignee: American Home Products Corporation
    Inventors: Robert P. Waranis, Maureen M. Harrison, Thomas W. Leonard, Robin P. Enever
  • Patent number: 5527955
    Abstract: The invention concerns a method for treating depression or senile dementia using a compound which acts selectively as an agonist of gamma aminobutyric acid (GABA) at GABA autoreceptors with the proviso that the compound is not fengabine and progabide.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: June 18, 1996
    Assignee: John Wyeth & Brother, Limited
    Inventors: Michael C. W. Minchin, John F. White
  • Patent number: 5516770
    Abstract: Disclosed herein is an aqueous, injectable rapamycin solution, obtained by a process consisting of mixing 5 to 30 volume percent of a concentrate solution of rapamycin in propylene glycol, at concentrations of rapamycin ranging from 0.5 mg/ml to 10 mg/ml, with a diluent solution consisting of 0.1 to 10 weight percent of one or more polyoxyethylene sorbitan esters, 10 to 60 weight percent of polyethylene glycol 200, 300 or 400 or a combination thereof and 30 to 89.9 volume percent water, wherein the concentration of rapamycin in the injectable solution ranges from 0.025 mg/ml to 3 mg/ml.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: May 14, 1996
    Assignee: American Home Products Corporation
    Inventors: Robert P. Waranis, Thomas W. Leonard
  • Patent number: 5502191
    Abstract: A method for making 5-substituted tetrazoles of formula I: ##STR1## where R is as herein described which comprises reacting a compound of the formula R--CN with a Lewis acid and an azide or a preformed metal azide complex, acidifying and recovering the 5-substituted tetrazole.
    Type: Grant
    Filed: February 17, 1995
    Date of Patent: March 26, 1996
    Assignee: American Cyanamid Company
    Inventor: Rocco J. Galante
  • Patent number: 5498776
    Abstract: This invention relates to pyrrolo-, pyrido-, azepino-, and azocinopyrimidines of the general formula I ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently H, lower alkyl containing 1 to 6 carbon atoms, or perfluoroalkyl containing 1 to 6 carbon atoms; R.sup.5 is H or, when n is 1, R.sup.5 taken together with R.sup.3 comprises a double bond, n is 0 or 1, p is 0 to 2, m is 0 to 3; Ar.sup.1 is ##STR2## wherein W is H, lower alkyl containing 1 to 6 carbon atoms, halogen, hydroxy, or lower alkoxy containing 1 to 6 carbon atoms; and Ar.sup.2 is ##STR3## wherein X is ##STR4## wherein R.sup.6 is H, tert-butyl, tri-n-butylstannyl, or triphenylmethyl; and the pharmaceutically acceptable salts thereof, which compounds are useful in the treatment of hypertension and congestive heart failure.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: March 12, 1996
    Assignee: American Home Products Corporation
    Inventors: John W. Ellingboe, Madelene Nikaido, Jehan Bagli
  • Patent number: 5466692
    Abstract: This invention relates to substituted pyridopyrimidinones of general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are independently H, lower alkyl containing 1 to 6 carbon atoms, hydroxyalkyl containing 1 to 6 carbon atoms, formyl, carbonylalkyl containing 1 to 6 carbon atoms, carboxy, or carboxyalkyl containing 1 to 6 carbon atoms; R.sup.3 and R.sup.4 are independently H, lower alkyl containing 1 to 6 carbon atoms, hydroxy; R.sup.3a and R.sup.4a are H, and when taken together with R.sup.3 and R.sup.4 respectively comprise a carbonyl; with the proviso that at least one of the groups R1 and R.sup.2 must be hydroxyalkyl, formyl, carbonylalkyl containing 1 to 6 carbon atoms, carboxy, or carboxyalkyl containing 1 to 6 carbon atoms; or R.sup.3 and R.sup.4 must be hydroxy or taken together with R.sup.3a and R.sup.4a respectively must comprise a carbonyl; n is 0 to 3; Ar.sup.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: November 14, 1995
    Assignee: American Home Products Corporation
    Inventor: John W. Ellingboe
  • Patent number: 5451583
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are defined in the specification; n is 1 to 3;Y is ##STR2## wherein R.sup.3 is hydrogen, perfluoro alkyl of 1-6 carbon atoms, trifluoromethylalkyl of 1-6 carbon atoms, or alkyl of 1-6 carbon atoms; and R.sup.4 is hydrogen or alkyl of 1-6 carbon atoms;with the proviso that when R.sup.1 is ##STR3## then R.sup.2 cannot be ##STR4## wherein X is as defined above; and the pharmaceutically acceptable salts thereof, which by virtue of their ability to antagonize angiotensin II are useful for the treatment of hypertension and congestive heart-failure.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: September 19, 1995
    Assignee: American Home Products Corporation
    Inventor: John W. Ellingboe
  • 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: 5422355
    Abstract: The invention concerns compounds having formula: ##STR1## or a salt thereof, wherein E represents hydrogen, lower alkyl or a group Ar.sup.1 --A.sup.1 --; Ar and Ar.sup.1 are the same or different aryl groups (including heteroaryl) which are optionally substituted, eg by one or more substituents commonly used in pharmaceutical chemistry; A and A.sup.1 are the same or different alkylene groups having one or two carbon atoms linking Ar or Ar.sup.1 to N and optionally substituted by lower alkyl and/or optionally substituted aryl, B is an alkylene group of 3 or 4 carbon atoms, which may be substituted by lower alkyl; D.sup.1 represents halogen, CH.sub.3, CR.sup.1 R.sup.2 NH.sub.2, SO.sub.3 H or SO.sub.2 NR.sup.6 R.sup.7 where R.sup.1 and R.sup.2 are independently hydrogen or lower alkyl and R.sup.6 and R.sup.7 are each hydrogen, lower alkyl or aralkyl of 7 to 12 carbon atoms or R.sup.6 and R.sup.
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: June 6, 1995
    Assignee: John Wyeth & Brother, Limited
    Inventors: John F. White, Michael C. W. Minchin, Christine Ennis
  • Patent number: 5420278
    Abstract: Piperazine derivatives of formula ##STR1## and their pharmaceutically acceptable acid addition salts are disclosed. In the formula n is 1 or 2, R is hydrogen or lower alkyl, R.sup.1 is an aryl or nitrogen containing heteroaryl radical, R.sup.2 is hydrogen or lower alkyl, R.sup.3 is aryl, C.sub.4-8 alkyl or aryl(lower)alkyl and X is a functionalized group of specified meaning. The compounds exhibit activity as 5-HT.sub.1A antagonists and can be used, into alia, for the treatment of CNS disorders, such as anxiety.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: May 30, 1995
    Assignee: John Wyeth & Brother, Limited
    Inventor: Ian A. Cliffe
  • Patent number: 5382583
    Abstract: Piperazine derivatives of formula: ##STR1## and their pharmaceutically acceptable acid addition salts are disclosed. In the formula, n is 1 or 2; R and R.sup.5 are hydrogen or lower alkyl, R.sup.1 is substituted or unsubstituted aryl or a heteroaromatic radical; R.sup.3 is substituted or unsubstituted aryl or substituted or unsubstituted arylalkyl; R.sup.9 is hydrogen, alkyl, cycloalkyl, cycloalkylalkyl or substituted or unsubstituted arylalkyl with the proviso that when R.sup.9 is hydrogen, alkyl, or arylalkyl, R.sup.5 is other than a tertiary alkyl group. The compounds of this invention are useful 5-HT.sub.1A antagonists for the treatment of CNS disorders such as anxiety.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: January 17, 1995
    Assignee: John Wyeth & Brother, Limited
    Inventor: Ian A. Cliffe
  • Patent number: 5369103
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: November 29, 1994
    Assignee: John Wyeth & Brother, Limited
    Inventors: Ian A. Cliffe, Alan C. White, Anderson D. Ifill
  • Patent number: 5364849
    Abstract: Piperazine derivatives of formula ##STR1## and their pharmaceutically acceptable acid addition salts are disclosed. In the formula n is 1 or 2, R is hydrogen or lower alkyl, R.sup.1 is an aryl or nitrogen containing heteroaryl radical, R.sup.2 is hydrogen or lower alkyl, R.sup.3 is aryl, C.sub.4-8 alkyl or aryl(lower)alkyl and X is a functionalised group of specified meaning. The compounds exhibit activity as 5-HT.sub.1A antagonists and can be used, into alia, for the treatment of CNS disorders, such as anxiety.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: November 15, 1994
    Assignee: John Wyeth & Brother, Limited
    Inventor: Ian A. Cliffe
  • 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: 5340812
    Abstract: Piperazine derivatives of formula ##STR1## and their pharmaceutically acceptable acid addition salts are disclosed. In the formula n is 1 or 2, R is hydrogen or lower alkyl, R.sup.1 is an aryl or nitrogen containing heteroaryl radical, R.sup.2 is hydrogen or lower alkyl, R.sup.3 is aryl, C.sub.4-8 alkyl or aryl(lower)alkyl, and X is a functionalised group of specified meaning. The compounds exhibit activity as 5-HT.sub.1A antagonists and can be used, inter alia, for the treatment of CNS disorders, such as anxiety.
    Type: Grant
    Filed: January 7, 1993
    Date of Patent: August 23, 1994
    Assignee: John Wyeth & Brother, Limited
    Inventor: Ian A. Cliffe
  • Patent number: 5321047
    Abstract: The invention concerns a method for treating depression or senile dementia using a compound which acts selectively as an agohist of gamma aminobutyric acid (GABA) at GABA autoreceptors with the proviso that the compound is not fengabine and progabide.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: June 14, 1994
    Assignee: John Wyeth & Brother, Limited
    Inventors: Michael C. W. Minchin, John F. White
  • Patent number: 5260331
    Abstract: The invention concerns compounds having formula: ##STR1## or a salt thereof, wherein E represents hydrogen, lower alkyl or a group Ar.sup.1 --A.sup.1 --; Ar and Ar.sup.1 are the same or different aryl groups (including heteroaryl) which are optionally substituted, e.g. by one or more substituents commonly used in pharmaceutical chemistry; A and A.sup.1 are the same or different alkylene groups having one or two carbon atoms linking Ar or Ar.sup.1 to N and optionally substituted by lower alkyl and/or optionally substituted aryl, B is an alkylene group of 3 or 4 carbon atoms, which may be substituted by lower alkyl; D.sup.1 represents halogen, CH.sub.3, CR.sup.1 R.sup.2 NH.sub.2, SO.sub.3 H or SO.sub.2 NR.sup.6 R.sup.7 where R.sup.1 and R.sup.2 are independently hydrogen or lower alkyl and R.sup.6 and R.sup.7 are each hydrogen, lower alkyl or aralkyl of 7 to 12 carbon atoms or R.sup.6 and R.sup.
    Type: Grant
    Filed: November 2, 1992
    Date of Patent: November 9, 1993
    Assignee: John Wyeth & Brother Limited
    Inventors: John F. White, Michael C. W. Minchin, Christine Ennis
  • 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: 5204470
    Abstract: Azabicyclic compounds of formula ##STR1## and their pharmaceutically acceptable acid addition salts are disclosed. In the formula, ##STR2## is an optionally substituted heteroaryl group containing at least one hetero atom X; n is 2, 3 or 4; m is 1 or 2; R.sup.1 is hydrogen, C.sub.1-6 alkyl, C.sub.3-5 -alkenyl, C.sub.3-6 cycloalkyl, C.sub.3-6 cycloalkyl-C.sub.1-2 alkyl or aryl- or heteroaryl-C.sub.1-2 -alkyl; and the --(CH.sub.2).sub.m ##STR3## moiety is ortho to the hetero atom X. The compounds exhibit activity as 5-HT.sub.3 -antagonists and can be used, inter alia, for the treatment of neuropsychiatric disorders.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: April 20, 1993
    Assignee: John Wyeth & Brother, Limited
    Inventor: Ian A. Cliffe