Patents by Inventor Andrew Thurkauf

Andrew Thurkauf 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: 5817813
    Abstract: The present invention encompasses structures of the formula: ##STR1## and the pharmaceutically acceptable non-toxic salts thereof wherein: ##STR2## and W, X, A, B, C, D, E, R.sub.3, R.sub.4 are variables. These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs thereof and are useful in the diagnosis and treatment of anxiety, sleep, and seizure disorders, overdose with benzodiazepine drugs, and enhancement of memory.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: October 6, 1998
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Alan Hutchison, Pamela Albaugh
  • Patent number: 5789410
    Abstract: Disclosed are compounds encompassed by the following general formula: ##STR1## wherein, A represents ethenylene, or A represents --X--CH.sub.2 --; where X is carbon or oxygen, provided that when X is oxygen, the oxygen is adjacent the 6-membered ring;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are inorganic or organic substituents; andR.sub.5 and R.sub.6 is are optionally substituted organic substituents; orNR.sub.5 R.sub.6 represents a carbocyclic or heterocyclic six membered ring optionally substituted with various orgainic or inorganic groups, which compounds can be used in the treatment of neuropsychological disorders.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: August 4, 1998
    Assignee: Neurogen Corporation
    Inventors: Jun Yuan, Andrew Thurkauf
  • Patent number: 5773616
    Abstract: Disclosed are compounds encompassed by the following general formula: ##STR1## wherein, A represents ethenylene, or A represents --X--CH.sub.2 --; where X is carbon or oxygen, provided that when X is oxygen, the oxygen is adjacent the 6-membered ring;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are inorganic or organic substituents; andR.sub.5 and R.sub.6 is are optionally substituted organic substituents; orNR.sub.5 R.sub.6 represents a carbocyclic or heterocyclic six membered ring optionally substituted with various orgainic or inorganic groups,which compounds can be used in the treatment of neuropsychological disorders.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: June 30, 1998
    Assignee: Neurogen Corporation
    Inventors: Jun Yuan, Andrew Thurkauf
  • Patent number: 5739158
    Abstract: Certain nitrogen-containing cyclohetero cycloalkylaminoaryl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychotic disorders, convulsions and parkinsonism. Compounds of particular interest are of the formula ##STR1## wherein R.sup.1 is selected from hydrido, loweralkyl, cycloalkylalkyl of four to six carbon atoms and loweralkenylloweralkyl; wherein each of R.sup.2 and R.sup.3 is independently selected from hydrido and loweralkyl; wherein each of R.sup.4 through R.sup.7, R.sup.10 and R.sup.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: April 14, 1998
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Brian R. de Costa, Kenner C. Rice, Nancy M. Gray, Patricia C. Contreras, Arthur E. Jacobson, Andrew Thurkauf, Lilian A. Radesca, Wayne D. Bowen, J. Michael Walker
  • Patent number: 5712392
    Abstract: Disclosed are compounds of the formula ##STR1## wherein R.sub.1 represents optionally substituted aryl, heteroaryl, arylalkyl, or cycloalkyl groups; X, Z, and Y are optionally substituted nitrogen or carbon atoms; R.sub.3 and R.sub.4 are organic or inorganic substituents which may together form ring structures; m is zero, one or two; and R.sub.5 and R.sub.6 are are organic or inorganic substituents;and the pharmaceutically acceptable addition salts thereof,which compounds are highly selective partial agonists or antagonists at brain dopamine receptor subtypes or prodrugs thereof and are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: January 27, 1998
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Raymond F. Horvath, Jun Yuan, John M. Peterson
  • Patent number: 5688950
    Abstract: Disclosed are compounds of the formula: ##STR1## or the pharmaceutically acceptable acid addition salts thereof wherein: R1-R.sub.4 represent organic or inorganic groups;A represents an alkylene group of 2 to 6 carbon atoms optionally substituted with one or more alkyl groups having from 1 to 4 carbon atoms;Y represents methylene, oxygen, sulfur, or NH; andX is either N, C or CH,which compounds are useful in the treatment of affective disorders such as schizophrenia, depression, Alzheimer's disease, movement disorders such as Parkinsonism and dystonia, and other disorders which respond to dopaminergic blockade such as substance abuse and obsessive compulsive disorders. Further, compounds of this invention may be useful in treating the extrapyramidal side effects associated with the use of conventional neuroleptic agents.
    Type: Grant
    Filed: April 23, 1996
    Date of Patent: November 18, 1997
    Assignee: Neurogen Corporation
    Inventors: Xi Chen, Jun Yuan, Andrew Thurkauf
  • Patent number: 5688654
    Abstract: Disclosed are methods for screening compounds for potential therapeutic activity based on selective binding to GABAa receptors, and where the methods employ compounds of formulas I and II shown herein.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: November 18, 1997
    Assignee: Neurogen Corporation
    Inventors: Kenneth Shaw, Alan Hutchison, Andrew Thurkauf, John Tallman
  • Patent number: 5681956
    Abstract: This invention encompasses compounds of the formulas: ##STR1## where R.sub.1 R.sub.3, R.sub.4, R.sub.6, X, Y, and Z are T are variables; andM is ##STR2## where R.sub.2 is a variable; or R.sub.1 and R.sub.2 together may represent --(CH.sub.2).sub.n.sbsb.1 where .sub.n.sbsb.1 is 1, 2, or 3.These compounds are highly selective partial agonists or antagonists at brain dopamine receptor subtypes or prodrugs thereof and are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism. Furthermore compounds of this invention may be useful in treating the extrapyramidal side effects asssociated with the use of conventional neuroleptic agents.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: October 28, 1997
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Alan Hutchison
  • Patent number: 5677454
    Abstract: Disclosed are compounds of the formula: ##STR1## where S and V are various organic or inorganic substituents;G and K are the same or different and represent N or CR' where R' is an organic or inorganic substituent;R is hydrogen or an alkyl group;R.sub.1, X, Y, Z and T are organic or inorganic substituents; andR.sub.2 and R.sub.3 represent hydrogen or organic substituents; orNR.sub.2 R.sub.3 together represents a heterocyclic ring system;and the pharmaceutically acceptable salts thereof; which are highly selective partial agonists or antagonists at brain dopamine receptor subtypes and, thus, are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 14, 1997
    Assignee: Neurogen Corporation
    Inventors: Jun Yuan, Andrew Thurkauf
  • Patent number: 5656762
    Abstract: Disclosed are compounds of the formula: ##STR1## wherein R.sub.1 represents optionally substituted aryl, heteroaryl, arylalkyl, or cycloalkyl groups; X, Z, and Y optionally substituted nitrogen or carbon atoms; R.sub.3 and R.sub.4 are organic or inorganic substitutents which may together form ring structures; m is zero, one or two; and R.sub.5 and R.sub.6 are are organic or inorganic substituents;and the pharmaceutically acceptable addition salts thereof, which compounds are highly selective partial agonists or antagonists at brain dopamine receptor subtypes or prodrugs thereof and are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: August 12, 1997
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Raymond F. Horvath, Jun Yuan, John M. Peterson
  • Patent number: 5646280
    Abstract: Disclosed are compounds and the pharmaceutically acceptable salts thereof useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism and useful in treating the extraparamidyl side effects associated with the use of conventional neuroleptic agents, which compounds have the formula: ##STR1## where R.sub.1, X, Y and T indepedently represent inorganic or organic groups such as hydrogen, halogen, hydroxy, lower alkyl, lower alkoxy, or sulfonyl;R.sub.3 is hydrogen or lower alkyl or R.sub.3 and R.sub.4 together may form a ring structure; andR.sub.4 and R.sub.5 are the same or different and represent organic or inorganic groups where the groups may form a ring optionally substituted with various organic or inorganic substituents.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 8, 1997
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Alan Hutchison
  • Patent number: 5646281
    Abstract: Disclosed are compounds of the formula: ##STR1## wherein R.sub.1 represents optionally substituted aryl, heteroaryl, arylalkyl, or cycloalkyl groups; X, Z, and Y are optionally substituted nitrogen or carbon atoms; R.sub.3 and R.sub.4 are organic or inorganic substituents which may together form ring structures; m is zero, one or two; and R.sub.5 and R.sub.6 are are organic or inorganic substituents;and the pharmaceutically acceptable addition salts thereof, which compounds are highly selective partial agonists or antagonists at brain dopamine receptor subtypes or prodrugs thereof and are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: July 8, 1997
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Raymond F. Horvath, Jun Yuan, John M. Peterson
  • Patent number: 5646279
    Abstract: Disclosed are compounds and the pharmaceutically acceptable salts thereof useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism and useful in treating the extrapyramidal side effects associated with the use of conventional neuroleptic agents, which compounds have the formula: ##STR1## where R.sub.1 and R.sub.2 are independently represent hydrogen or inorganic groups.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 8, 1997
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Alan Hutchison
  • Patent number: 5633376
    Abstract: This invention encompasses compounds of the formulas: ##STR1## where R.sub.1 R.sub.3, R.sub.4, R.sub.6, X, Y, and Z are T are variables; andM is ##STR2## where R.sub.2 is a variable; or R.sub.1 and R.sub.2 together may represent --(CH.sub.2).sub.n1 where n.sub.1 is 1, 2, or 3.These compounds are highly selective partial agonists or antagonists at brain dopamine receptor subtypes or prodrugs thereof and are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism. Furthermore compounds of this invention may be useful in treating the extraparamidyl side effects associated with the use of conventional neuroleptic agents.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: May 27, 1997
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Alan Hutchison
  • Patent number: 5633377
    Abstract: Disclosed are compounds of the formula: ##STR1## wherein R.sub.1 represents optionally substituted aryl, heteroaryl, arylalkyl, or cycloalkyl groups; X, Z, and Y are optionally substituted nitrogen or carbon atoms; R.sub.3 and R.sub.4 are organic or inorganic substitutents which may together form ring structures; m is zero, one or two; and R.sub.5 and R.sub.6 are are organic or inorganic substituents;and the pharmaceutically acceptable addition salts thereof,which compounds are highly selective partial agonists or antagonists at brain dopamine receptor subtypes or prodrugs thereof and are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: May 27, 1997
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Raymond F. Horvath, Jun Yuan, John M. Peterson
  • Patent number: 5625063
    Abstract: The present invention encompasses structures of the formula: ##STR1## and the pharmaceutically acceptable non-toxic salts thereof wherein: ##STR2## and W, X, A, B, C, D, E, R.sub.3, R.sub.4 are variables. These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs thereof and are useful in the diagnosis and treatment of anxiety, sleep, and seizure disorders, over-dose with benzodiaziepine drugs, and enhancement of memory.
    Type: Grant
    Filed: March 14, 1996
    Date of Patent: April 29, 1997
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Alan Hutchison, Pamela Albaugh
  • Patent number: 5604255
    Abstract: Compounds, compositions and methods of treatment are described to control brain damage associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of an N-(1-thienylcycloalkyl)alkenylamine compound 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 R.sup.1 is one or more groups selected from hydrido, alkyl of one to about five carbon atoms, cycloalkyl of three to about five carbon atoms, alkenyl of two to about five carbon atoms, hydroxyl and alkoxy; wherein each of R.sup.2 is one or more groups selected from hydrido, alkyl of one to about five carbon atoms, cycloalkyl of three to about five carbon atoms, alkenyl of two to about five carbon atoms, hydroxyl, oxo and alkoxy; wherein R.sup.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: February 18, 1997
    Assignees: The United States of America as represented by the Department of Health and Human Services, G. D. Searle & Co.
    Inventors: Kenner C. Rice, Arthur E. Jacobson, Andrew Thurkauf, Mariena V. Mattson, Thomas L. O'Donohue, Patricia C. Contreras, Nancy M. Gray
  • Patent number: 5597920
    Abstract: The present invention provides methods for screening drug compounds utilizing compounds of formulas I and II, where formulas I and II are ##STR1## and the pharmaceutically acceptable salts thereof where: R.sub.1, R.sub.2, R.sub.3, and R.sub.4 represent hydrogen, halogen, alkyl or alkoxy substituents;R5 is hydrogen or lower alkyl;X and Y represent hydrogen, halogen, alkyl or alkoxy substituents; andZ is hydrogen or fluorine.The invention also provides tritium or iodine isotope radiolabeled compounds of the formulas I and II radiolabeled with tritium or isotopes of iodine.The invention further provides novel GABAa receptor subtypes which specifically bind to compounds of formulas I or II.The invention also provides GABAa receptor subtypes which are bound in situ to a compound of formula I or II.The compounds provided herein bind selectively to a novel subtype of the GABAa binding site.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: January 28, 1997
    Assignee: Neurogen Corporation
    Inventors: Kenneth Shaw, Alan Hutchison, Andrew Thurkauf, John Tallman
  • Patent number: 5594141
    Abstract: Disclosed are compounds of the formula: ##STR1## where S and V are various organic or inorganic substituents;G and K are the same or different and represent N or CR' where R' is an organic or inorganic substituent;R is hydrogen or an alkyl group;R.sub.1, X, Y, Z and T are organic or inorganic substituents; andR.sub.2 and R.sub.3 represent hydrogen or organic substituents; orNR.sub.2 R.sub.3 together represents a heterocyclic ring system;and the pharmaceutically acceptable salts thereof; which are highly selective partial agonists or antagonists at brain dopamine receptor subtypes and, thus, are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: January 14, 1997
    Assignee: Neurogen Corporation
    Inventors: Jun Yuan, Andrew Thurkauf
  • Patent number: 5585490
    Abstract: This invention encompasses compounds of the formula: ##STR1## and pharmaceutically acceptable non-toxic salts thereof wherein: n is 0, 1 or 2, and R.sub.1, R.sub.2, X, Y and W are variables.These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs thereof and are useful in the diagnosis and treatment of anxiety, sleep, and seizure disorders, overdose with benzodiazepine type drugs, and enhancement of alertness.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: December 17, 1996
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Alan Hutchison, Vinod Singh