Patents by Inventor Sofya Tsymbalov

Sofya Tsymbalov 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: 5719140
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, and as prostaglandin-E.sub.2 antagonists for the treatment of prostaglandin-E.sub.2 mediated diseases, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, a method for eliminating or ameliorating pain in an animal, and a method for treating prostaglandin-E.sub.2 mediated diseases in an animal, comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: November 7, 1994
    Date of Patent: February 17, 1998
    Assignee: G.D. Searle & Co.
    Inventors: Nizal Samuel Chandrakumar, Timothy Joseph Hagen, Barnett Sylvain Pitzele, Sofya Tsymbalov, E. Ann Hallinan
  • 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: 5684008
    Abstract: The current invention discloses aminotetrazole derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: November 4, 1997
    Assignee: G. D. Searle & Co.
    Inventors: E. Ann Hallinan, Donald W. Hansen, Jr., Sofya Tsymbalov
  • Patent number: 5677296
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, and as prostaglandin-E.sub.2 antagonists for the treatment of prostaglandin-E.sub.2 mediated diseases, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, a method for eliminating or ameliorating pain in an animal, and a method for treating prostaglandin-E.sub.2 mediated diseases in an animal, comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: October 14, 1997
    Assignee: G.D. Searle & Co.
    Inventors: Robert Alan Chrusciel, Timothy Joseph Hagen, E. Ann Hallinan, Jinglin Li, Sofya Tsymbalov, David B. Reitz
  • 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: 5631399
    Abstract: The present invention relates to a novel process for the preparation of ethyl 3S-[[4-[[4-(aminoiminomethyl)phenyl]amino]-1,4-dioxobutyl]amino]-4-pentyno ate and pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: May 20, 1997
    Assignee: G. D. Searle & Co.
    Inventors: Kevin A. Babiak, Srinivasan Babu, James R. Behling, Mark L. Boys, Kimberly J. Cain-Janicki, Wendel W. Doubleday, Payman Farid, Timothy J. Hagen, E. A. Hallinan, Donald W. Hansen, Jr., Donald E. Korte, Kathleen T. Mc Laughlin, John R. Medich, Sean T. Nugent, Vlasdislav Orlovski, Jung M. Park, Karen B. Peterson, Daniel R. Pilipauskas, Barnett S. Pitzele, Sofya Tsymbalov, Glenn L. Stahl
  • Patent number: 5576315
    Abstract: The present invention provides dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: August 1, 1995
    Date of Patent: November 19, 1996
    Assignee: G.D. Searle & Co.
    Inventors: E. Ann Hallinan, Timothy J. Hagen, Robert K. Husa, Sofya Tsymbalov, Jean-Pierre Van Hoeck, Albert C. Lee
  • Patent number: 5536869
    Abstract: The present invention relates to a novel process for the preparation of ethyl 3S-[[4-[[4-(aminoiminomethyl)phenyl]amino]-1,4-dioxobutyl]amino]-4-pentyno ate and pharmaceutically acceptable acid addition salt thereof which comprises treating (trimethylsilyl)acetylene sequentially with n-butyllithium and 4-formylmorpholine followed by acid hydrolysis to give 3-(trimethylsilyl)-2-propynal; treating 3-(trimethylsilyl)-2-propynal with lithium bis(trimethylsilyl)amide to give in situ N,3-bis(trimethylsilyl)-2-propyn-1-imine; condensation of N,3-bis(trimethylsilyl)-2-propyn-1-imine with lithium t-butyl acetate to give (.+-.)1,1-dimethylethyl 3-amino-5-(trimethylsilyl)-4-pentynoate; treating (.+-.)1,1-dimethylethyl 3-amino-5-(trimethylsilyl)-4-pentynoate- with p-toluenesulfonic acid to give (.+-.)1,1-dimethylethyl 3-amino-5-(trimethylsilyl)-4-pentynoate, mono p-toluenesulfonic acid salt, treatment of resulting salt with ethanol in the presence of p-toluenesulfonic acid to give (.+-.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: July 16, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Kevin A. Babiak, Srinivasan Babu, James R. Behling, Mark L. Boys, Kimberly J. Cain-Janicki, Wendel W. Doubleday, Payman Farid, Timothy J. Hagen, E. Ann Hallinan, Donald W. Hansen, Jr., Donald E. Korte, Kathleen T. McLaughlin, John R. Medich, Sean T. Nugent, Vlasdislav Orlovski, Jung M. Park, Karen B. Peterson, Daniel R. Pilipauskas, Barnett S. Pitzele, Sofya Tsymbalov, Glenn L. Stahl
  • Patent number: 5488046
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, and as prostaglandin-E.sub.2 antagonists for the treatment of prostaglandin-E.sub.2 mediated diseases, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, a method for eliminating or ameliorating pain in an animal, and a method for treating prostaglandin-E.sub.2 mediated diseases in an animal, comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: January 30, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Robert A. Chrusciel, Timothy J. Hagen, E. Ann Hallinan, Jinglin Li, Sofya Tsymbalov, David B. Reitz
  • Patent number: 5464830
    Abstract: The present invention provides dibenzoxazepine compounds, of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: November 7, 1995
    Assignee: G. D. Searle & Co.
    Inventors: E. Ann Hallinan, Timothy J. Hagen, Robert K. Husa, Sofya Tsymbalov, Albert C. Lee, Jean-Pierre Van Hoeck
  • Patent number: 5395932
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## wherein X is oxygen, sulfur ##STR2## A is --CH.sub.2 -- or ##STR3## E and F may be --CH, oxygen, nitrogen or sulfur, and may not be the same; G is oxygen, nitrogen or sulfur; with the proviso that when G is oxygen or sulfur, one of E or F is nitrogen, which are useful as analgesic agents for the treatment of pain, and as prostaglandin-E.sub.2 antagonists for the treatment of prostaglandin-E.sub.2 mediated diseases, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, a method for eliminating or ameliorating pain in an animal, and a method for treating prostaglandin-E.sub.2 mediated diseases in an animal, comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: March 7, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Nizal S. Chandrakumar, Timothy J. Hagen, Barnett S. Pitzele, Sofya Tsymbalov, E. Ann Hallinan
  • Patent number: 5389645
    Abstract: The present invention provides substituted tyrosyl diamine amide compounds of general Formula I: ##STR1## and the pharmaceutically-acceptable salts thereof, which are useful for inducing analgesia in animals, pharmaceutical compositions comprising a pharmaceutically-acceptable carrier and a compound of Formula I, and a method for inducing analgesia in an animal in need thereof comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: February 14, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Nizal S. Chandrakumar, Karen B. Peterson, Sofya Tsymbalov
  • Patent number: 5378840
    Abstract: The present invention provides dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: January 3, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Albert C. Lee, E. Ann Hallinan, Timothy J. Hagen, Robert K. Husa, Sofya Tsymbalov, Jean-Pierre Van Hoeck
  • Patent number: 5364850
    Abstract: The present invention provides substituted tyrosyl diamide compounds of general Formula I: ##STR1## and the pharmaceutically-acceptable salts thereof, which are useful for inducing analgesia in animals, pharmaceutical compositions comprising a pharmaceutically-acceptable carrier and a compound of Formula I, and a method for inducing analgesia in an animal in need thereof comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: November 15, 1994
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Nizal S. Chandrakumar, Karen B. Peterson, Sofya Tsymbalov, Robert K. Husa
  • 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: 5272175
    Abstract: The present invention provides substituted tyrosyl diamide compounds of general Formula I: ##STR1## and the pharmaceutically-acceptable salts thereof, which are useful for inducing analgesia in animals, pharmaceutical compositions comprising a pharmaceutically-acceptable carrier and a compound of Formula I, and a method for inducing analgesia in an animal in need thereof comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: May 20, 1992
    Date of Patent: December 21, 1993
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Nizal S. Chandrakumar, Karen B. Peterson, Sofya Tsymbalov, Robert K. Husa
  • Patent number: 5169833
    Abstract: The present invention provides substituted cyclic pentapeptide compounds of general Formula I: ##STR1## and the pharmaceutically-acceptable slats, esters and amides thereof, which are useful for inducing analgesia in animals, pharmaceutical compositions comprising a pharmaceutically-acceptable carrier and a compound of Formula I, and a method for inducing analgesia in an animal in need thereof comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: December 8, 1992
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Sofya Tsymbalov, Nizal S. Chandrakumar, Donna L. Hammond, Henry I. Mosberg