Patents by Inventor Gilbert W. Adelstein

Gilbert W. Adelstein 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: 5716964
    Abstract: A class of imidazo?1,2-a!pyridinylalkyl compounds is described for treatment to reduce neurotoxic injury associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of a compound of this class alone or in a composition in an amount effective as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula: ##STR1## wherein each of R.sup.22, R.sup.23 and R.sup.24 is independently selected from hydrido, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl; wherein each of Y.sub.m and Y.sub.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: February 10, 1998
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Gilbert W. Adelstein, Karen B. Peterson, Sofya Tsymbalov
  • Patent number: 5633237
    Abstract: A class of imidazo[1,2-a]pyridinylalkyl phosphonic acid compounds is described for treatment to reduce neurotoxic injury associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of a compound of this class alone or in a composition in an amount effective as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula: ##STR1## and the carboxylic and phosphonic alkyl esters and salts thereof; wherein R.sup.9 is selected from hydrido, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl; wherein each of Y.sub.m and Y.sub.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: May 27, 1997
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Gilbert W. Adelstein, Karen B. Peterson, Sofya Tsymbalov
  • Patent number: 5360796
    Abstract: A class of imidazo[1,2-a]pyridinylalkyl phosphonic acid compounds is described for treatment to reduce neurotoxic injury associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of a compound of this class alone or in a composition in an amount effective as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula: ##STR1## and the carboxylic and phosphonic alkyl esters and salts thereof; wherein the substituents are defined herein.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: November 1, 1994
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Gilbert W. Adelstein, Karen B. Peterson, Sofya Tsymbalov
  • Patent number: 4933369
    Abstract: The present invention relates to new compounds of the formula ##STR1## and the pharmaceutically acceptable salts thereof and the enantiomers thereof, wherein R.sup.1 is H, lower alkyl, alkenyl, aralkyl, or C(O)R.sup.2 wherein R.sup.2 is lower alkyl, alkenyl, alkoxy, or aralkyl; n is an integer of from 2-4; m is an integer of from 0-4; A is S(O).sub.x wherein x is an integer of from 0-2; and Ar is phenyl or thienyl. These compounds are useful as analgesics.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: June 12, 1990
    Assignee: G. D. Searle & Co.
    Inventors: Barnett S. Pitzele, Nizal S. Chandrakumar, Donald W. Hansen, Jr., Gilbert W. Adelstein
  • Patent number: 4772619
    Abstract: This invention relates to [(1H-benzimidazol-2-ylsulfinyl)methyl]-2-pyridinamines that are useful in the treatment and prevention of ulcers.
    Type: Grant
    Filed: July 17, 1986
    Date of Patent: September 20, 1988
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Alan E. Moormann, Stella S. T. Yu
  • Patent number: 4721718
    Abstract: This invention relates to 2-[(imidazo[1,2-a]pyridin-3-ylmethyl)sulfinyl]-1H-benzimidazoles that are useful in the treatment and prevention of ulcers.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: January 26, 1988
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Alan E. Moormann, Chung-Hwai Yen
  • Patent number: 4687775
    Abstract: This invention relates to 2-[(imidazo[1,2-a]pyridinylmethyl)-sulfinyl]-1H-benzimidazoles that are useful in the treatment and prevention of ulcers.
    Type: Grant
    Filed: July 17, 1986
    Date of Patent: August 18, 1987
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Alan E. Moormann, Stella S. T. Yu
  • Patent number: 4560754
    Abstract: This invention relates to 5-(substituted phenyl)-5-[(substituted amino)alkyl]-1,3-diazabicyclo[4.4.0]decan-4-ones and 5-(substituted phenyl)-5-[(substituted amino)-alkyl]-1,3-diazabicyclo[4.4.0]dec-2-en-4-ones that are useful as antiarrhythmic agents.
    Type: Grant
    Filed: July 30, 1984
    Date of Patent: December 24, 1985
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Robert J. Chorvat
  • Patent number: 4431802
    Abstract: Compounds of formula I and salts thereof which are orally pharmacologically active as inhibitors of gastric secretion are disclosed.
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: February 14, 1984
    Assignee: G. D. Searle & Co.
    Inventors: Alan E. Moormann, Barnett S. Pitzele, Gilbert W. Adelstein, Nancy J. Malek
  • Patent number: 4239908
    Abstract: N-aralkenyl-N'-cyano-N"-(heterocyclylthioalkyl)-guanidines and salts thereof which are pharmacologically active as inhibitors of gastric secretion and their preparation from isothioureas are disclosed.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: December 16, 1980
    Assignee: G.D. Searle & Co.
    Inventor: Gilbert W. Adelstein
  • Patent number: 4194045
    Abstract: This invention encompasses novel 1-(3,3-diaryl-3-oxadiazolalkyl)-4-phenyl-4-piperidinomethanols and related compounds. These compounds are useful anti-diarrheal agents which possess little or no analgesic activity.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: March 18, 1980
    Assignee: G. D. Searle & Co.
    Inventor: Gilbert W. Adelstein
  • Patent number: 4116963
    Abstract: The present invention encompasses compounds of the formula ##STR1## AND THE PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF WHEREIN R represents hydrogen, alkanoyl having 1 to 7 carbon atoms, or lower alkyl having 1 to 7 carbon atoms; X and Y represent alkylene having 1 to 3 carbon atoms and Ar, Ar', and Ar" represent phenyl, halosubstituted phenyl, lower alkyl substituted phenyl wherein the lower alkyl contains 1 to 4 carbon atoms; and Ar'" represents phenyl, pyridyl, lower alkyl substituted phenyl wherein the lower alkyl contains 1 to 4 carbon atoms or halosubstituted phenyl. Compounds of the present invention are prepared by reaction of triarylalkanoyl halide with appropriately substituted piperidine followed by subsequent reduction of the resulting amide. Compounds of the present invention are potent antidiarrheal compounds with unexpected separation of antidiarrheal and central nervous system properties.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: September 26, 1978
    Assignee: G.D. Searle & Co.
    Inventor: Gilbert W. Adelstein
  • Patent number: 4086227
    Abstract: The present invention, comprehends a method for treating diarrhea comprising administering to an animal in need of anti-diarrheal treatment an effective anti-diarrheal amount of a compound of the formula ##STR1## and acid addition salts thereof wherein Y is alkylene containing 1-4 carbon atoms; R.sub.2 and R.sub.3 together with N is a heterocyclic ring system comprising azamonocyclic ring of the formula ##STR2## wherein Z is phenylhydroxymethylmethylene, phenylhydroxymethylene, phenylcarboxymethylene, phenylcarbalkoxymethylene or azabicycloalkyl or phenyl or hydroxyl substituted azabicycloalkyl containing 6-9 carbon atoms and containing at least 5 atoms in each ring of the azabicycloalkyl or 4-azatricyclo[4.3.1.1.sup.3,8 ]undec-4-yl; Ar.sub.1 and Ar.sub.2 are phenyl, halo-substituted phenyl, (lower alkyl) substituted phenyl, pyridyl, thienyl or furyl, and Ar.sub.
    Type: Grant
    Filed: August 2, 1977
    Date of Patent: April 25, 1978
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Esam Z. Dajani, Chung Hwai Yen
  • Patent number: 4072686
    Abstract: The present invention encompasses compounds of the formula ##STR1## and pharmaceutically acceptable acid addition salts thereof wherein the Alk is straight or branched chain alkylene containing 2-4 carbon atoms; M is alkylene having 1-4 carbon atoms; Ar and Ar' are phenyl, alkyl substituted phenyl wherein the alkyl contains from 1-4 carbon atoms or halo substituted phenyl; Ar" is phenyl, alkyl substituted phenyl wherein the alkyl contains 1-4 carbon atoms, halo substituted phenyl or pyridyl; X is hydrogen, halogen, trifluoromethyl or alkyl having from 1-4 carbon atoms; R is hydrogen alkyl having from 1-7 carbon atoms or an alkanoyl having from 2-5 carbon atoms. These compounds are potent antidiarrheal agents characterized by little, if any, central nervous system activity.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: February 7, 1978
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Esam Z. Dajani, Chung H. Yen
  • Patent number: 4069223
    Abstract: Compounds of the formula ##STR1## AND THE NON-TOXIC PHARMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF; WHEREIN Ar, Ar' and Ar" are each phenyl, halophenyl, or alkylphenyl wherein alkyl contains from 1 to 4 carbon atoms; Ar'" is phenyl, halophenyl, alkylphenyl wherein alkyl contains from 1 to 4 carbon atoms, or pyridyl; R is hydrogen, alkyl having from 1 to 6 carbon atoms, or alkanoyl having from 1 to 6 carbon atoms; and R.sup.1 is hydrogen or alkyl having from 1 to 6 carbon atoms. These compounds are antidiarrheal agents characterized by very weak central nervous system activity.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: January 17, 1978
    Assignee: G. D. Searle & Co.
    Inventor: Gilbert W. Adelstein
  • Patent number: 4066654
    Abstract: The present invention encompasses compounds of the formula ##STR1## wherein the Alk is straight or branched chain alkylene containing 2-4 carbon atoms; Ar and Ar' are phenyl, Alkyl substituted phenyl wherein the alkyl contains from 1-4 carbon atoms or halo substituted phenyl; Ar" is phenyl, alkyl substituted phenyl wherein the alkyl contains 1-4 carbon atoms, halo substituted phenyl or pyridyl; X is hydrogen, halogen, trifluoromethyl or alkyl having from 1-4 carbon atoms; R is hydrogen, alkyl having from 1-7 carbon atoms, alkenyl having 3-7 carbon atoms, Ar" as herein before defined, or a cation selected from the group consisting of sodium, potassium, ammonium or calcium/2. Compounds of the present invention are potent antidiarrheal agents with little, if any, central nervous system activity.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: January 3, 1978
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Esam Z. Dajani, Chung Hwai Yen
  • Patent number: 4057549
    Abstract: The present invention comprehends a method for treating diarrhea comprising administering to an animal in need of anti-diarrheal treatment an effective antidiarrheal amount of a compound of the formula ##STR1## and acid addition salts thereof wherein Y is alkylene containing 1-4 carbon atoms; R.sub.2 and R.sub.3 together with N is a heterocyclic ring system comprising azamonocyclic ring of the forumula ##STR2## wherein Z is phenylhydroxymethylmethylene, phenylhydroxymethylene, phenylcarboxymethylene, phenylcarbalkoxymethylene or azabicycloalkyl or phenyl or hydroxyl substituted azabicycloalkyl containing 6-9 carbon atoms and containing at least 5 atoms in each ring of azabicycloalkyl or 4-azatricyclo[4.3.1.1.sup.3,8 ]undec-4-yl; Ar.sub.1 and Ar.sub.2 are phenyl, halo-substituted phenyl, (lower alkyl) substituted phenyl, pyridyl, thienyl or furyl, and Ar.sub.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: November 8, 1977
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, Esam Z. Dajani, Chung Hwai Yen
  • Patent number: 4025524
    Abstract: Preparation and the valuable antispasmodic, antiarrhythmic, antidiarrheal, and antiviral properties of 2-{3-[4-azatricyclo(4.3.1.1.sup.3,8)undecan-4-yl]-1,1-diphenylpropyl}-5-me thyl-1,3,4-oxadiazole and congeners are disclosed.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: May 24, 1977
    Assignee: G. D. Searle & Co.
    Inventors: Gilbert W. Adelstein, H. William Sause
  • Patent number: 4017491
    Abstract: The present invention relates to compounds of the following formula ##STR1## wherein Y is straight or branched chain alkylene containing 1-4 carbon atoms; X is hydrogen, halo such as fluoro, chloro, bromo or iodo, or lower alkyl containing 1-7 carbon atoms; Ar is phenyl, pyridyl, mono-substituted phenyl, wherein the substituent is halo such as fluoro, chloro, or bromo, or lower alkyl having 1-7 carbon atoms; and R.sub.2 and R.sub.3 are lower alkyl having 1-7 carbon atoms, or R.sub.2 and R.sub.3 together with N is an azamonocyclic ring selected from the group comprising 1-pyrrolidinyl, piperidino, 4-phenyl-4-hydroxypiperidino, 4-phenyl-4-hydroxymethylene, 4-phenyl-4-carboxypiperidino, 4-phenyl-4-carbloweralkoxypiperidino, or 4-phenyl-4-acetoxypiperidino substituted piperidino and morpholino, or an azabicycloalkanyl containing 6 to 9 carbon atoms and having at least 5 atoms in each ring of the azabicycloalkane. These compounds are useful intermediates for preparing potent antidiarrheal compounds.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: April 12, 1977
    Assignee: G. D. Searle & Co.
    Inventor: Gilbert W. Adelstein
  • Patent number: RE29556
    Abstract: The present invention relates to compounds of the following formula ##STR1## wherein Y is straight or branched chain alkylene containing 1-4 carbon atoms; R.sub.1 is lower alkyl containing 1-7 carbon atoms; X is hydrogen, halo such as fluoro, chloro, bromo or iodo, or lower alkyl containing 1-7 carbon atoms; Ar is phenyl, 2-pyridyl, mono-substituted phenyl, wherein the substituent is halo such as fluoro, chloro, or bromo, or lower alkyl containing 1-7 carbon atoms; and R.sub.2 and R.sub.3 are lower alkyl containing 1-7 carbon atoms, or R.sub.2 and R.sub.3 together with N is an azamonocyclic ring selected from the group comprising pyrrolidinyl, piperidino, 4-phenyl-4-hydroxypiperidino, 4-phenyl-4-carboxypiperidino, 4-phenyl-4-carbalkoxypiperidino, or 4-phenyl-4-acetoxypiperidino substituted piperidino and morpholino, or an azabicyclo-alkane containing 6 to 9 carbon atoms and containing at least 5 atoms in each ring of the azabicycloalkane.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: February 28, 1978
    Assignee: G. D. Searle & Co.
    Inventor: Gilbert W. Adelstein