Patents by Inventor Roelof Feenstra

Roelof Feenstra 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).

  • Publication number: 20070142397
    Abstract: The invention relates to a group of novel phenylpiperazine derivatives with a dual mode of action: serotonin reuptake inhibition and partial agonism on dopamine-D2 receptors. The invention also relates to the use of a compound disclosed herein for the manufacture of a medicament giving a beneficial effect. The compounds have the general formula (1): wherein the symbols have the meanings given in the specification.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 21, 2007
    Applicant: SOLVAY PHARMECEUTICALS B.V.
    Inventors: Roelof Feenstra, Axel Stoit, Jan-Willem Terpstra, Maria Pras-Raves, Andrew McCreary, Bernard Van Vliet, Mayke Hesselink, Cornelis Kruse, Gustaaf Van Scharrenburg
  • Publication number: 20070072870
    Abstract: The invention relates to a group of novel phenylpiperazine derivatives with a dual mode of action: serotonin reuptake inhibition and partial agonism on dopamine-D2 receptors. The invention also relates to the use of a compound disclosed herein for the manufacture of a medicament giving a beneficial effect. The compounds have the general formula (1): wherein the symbols have the meanings given in the specification. and tautomers, stereoisomers and N-oxides thereof, as well as pharmacologically acceptable salts, hydrates and solvates of said compounds of formula (1) and its tautomers, stereoisomers and N-oxides.
    Type: Application
    Filed: December 6, 2005
    Publication date: March 29, 2007
    Applicant: SOLVAY PHARMECEUTICALS B.V.
    Inventors: Roelof Feenstra, Axel Stoit, Jan-Willem Terpstra, Maria Pras-Raves, Andrew McCreary, Bernard Van Vliet, Mayke Hesselink, Cornelis Kruse, Gustaaf Van Scharrenburg
  • Publication number: 20070043059
    Abstract: The present disclosure relates to N-oxides of certain piperazine and piperidine derivatives and to methods for the preparation of these compounds. The disclosure also relates to the use of the compounds for the manufacture of a medicament giving a beneficial effect. The disclosure also relates to the use of the compounds for the manufacture of a medicament for treating or preventing a disease or condition. The disclosure further relates to the treatment of CNS-disorders, in particular the treatment of anxiety disorders, including generalized anxiety disorder and panic disorder, obsessive compulsive disorder, aggression, addiction (including craving), depression, autism, vertigo, schizophrenia and other psychotic disorders, Parkinson's disease and disturbances of cognition and memory. The compounds have the general formula (1) wherein the symbols have the meanings given in the specification.
    Type: Application
    Filed: August 15, 2006
    Publication date: February 22, 2007
    Inventors: Theodorus Koopman, Hendrik Koster, Peter Van Amsterdam, Roelof Feenstra, Marinus Verhage, Andrew McCreary, Mayke Hesselink, Gustaaf Van Scharrenburg
  • Publication number: 20060247256
    Abstract: The invention relates to a group of novel phenylpiperazine derivatives with a dual mode of action: serotonin reuptake inhibition and partial agonism on dopamine-D2 receptors. The invention also relates to the use of a compound disclosed herein for the manufacture of a medicament giving a beneficial effect. The compounds have the general formula (1): wherein the symbols have the meanings given in the specification.
    Type: Application
    Filed: December 6, 2005
    Publication date: November 2, 2006
    Inventors: Roelof Feenstra, Axel Stoit, Jan-Willem Terpstra, Maria Pras-Raves, Andrew McCreary, Bernard Van Vliet, Mayke Hesselink, Cornelis Kruse, Gustaaf Van Scharrenburg
  • Publication number: 20060194846
    Abstract: The present invention relates to 5-imino-5H-[1,2,4]-dithiazol-3-yl-amine and [1,2,4]-dithiazolidine-3,5-diylidene-diamine derivatives as inducers of gluthathione-S-transferase (GST) and NADPH quinone oxidoreductase (NQO), to methods for the preparation of these compounds and to novel intermediates useful for the synthesis of said [1,2,4]-dithiazoli(di)ne derivatives. The invention also relates to the use of a compound disclosed herein for the treatment of adverse conditions associated with cytotoxicity in general and apoptosis in particular. The invention relates to compounds of the general formula (I): wherein wherein the symbols have the meanings given in the specification.
    Type: Application
    Filed: February 9, 2006
    Publication date: August 31, 2006
    Inventors: Roelof Feenstra, Hiskias Keizer, Maria Pras-Raves, Bernard Van Vliet, Gustaaf Van Scharrenburg
  • Publication number: 20060194971
    Abstract: The present disclosure relates to dithiolethione derivatives as monoamino oxidase inhibitors, in particular MAO-B inhibitors, to methods for the preparation of these compounds and to novel intermediates useful for the synthesis of said dithiolethiones derivatives. The present disclosure also relates to the use of a compound disclosed herein for the manufacture of a medicament giving a beneficial effect. In embodiments of the present disclosure specific compounds disclosed herein are used for the manufacture of a medicament useful in the treatment, amelioration or prevention of conditions associated with dysfunction of monoamine neurotransmission. The compounds have the general formula (1) wherein the symbols have the meanings given in the specification.
    Type: Application
    Filed: February 22, 2006
    Publication date: August 31, 2006
    Inventors: Benjamin Drukarch, Anton Schoffelmeer, Roelof Feenstra, Marie-Odile Christen, Jean-Louis Burgot, Marylene Chollet, Wouter Iwema Bakker, Bernard Van Vliet, Martinus Tulp
  • Publication number: 20060122247
    Abstract: The invention relates to a group of novel aryloxyethylamine derivatives with a dual mode of action: serotonin reuptake inhibition and partial agonism on dopamine-D2 receptors. The invention also relates to the use of a compound disclosed herein for the manufacture of a medicament giving a beneficial effect. The compounds have the general formula (1): Z-T-Ar??(1) wherein: Z is a fragment of the general formula (2): and wherein the other symbols have the meanings given in the specification, and tautomers, stereoisomers and N-oxides thereof, as well as pharmacologically acceptable salts, hydrates and solvates of said compounds of formula (1) and its tautomers, stereoisomers and N-oxides.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 8, 2006
    Inventors: Roelof Feenstra, Axel Stoit, Jan-willem Terpstra, Maria Pras-Raves, Andrew McCreary, Bernard Vliet, Mayke Hesselink, Cornelis Kruse, Gustaaf Scharrenburg
  • Publication number: 20060122190
    Abstract: The invention relates to a group of novel phenylpiperazine derivatives with a dual mode of action: serotonin reuptake inhibition and partial agonism on dopamine-D2 receptors. The invention also relates to the use of a compound disclosed herein for the manufacture of a medicament giving a beneficial effect. The compounds have the general formula (1): wherein the symbols have the meanings given in the specification, and tautomers, stereoisomers and N-oxides thereof, as well as pharmacologically acceptable salts, hydrates and solvates of said compounds of formula (1) and its tautomers, stereoisomers and N-oxides.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 8, 2006
    Inventors: Roelof Feenstra, Axel Stoit, Jan-Willem Terpstra, Maria Pras-Raves, Andrew McCreary, Bernard Van Vliet, Mayke Hesselink, Cornelis Kruse, Gustaaf Van Scharrenburg
  • Publication number: 20060122189
    Abstract: The invention relates to a group of novel phenylpiperazine derivatives with a dual mode of action: serotonin reuptake inhibition and partial agonism on dopamine-D2 receptors. The invention also relates to the use of a compound disclosed herein for the manufacture of a medicament giving a beneficial effect. The compounds have the general formula (1): wherein the symbols have the meanings given in the specification. and tautomers, stereoisomers and N-oxides thereof, as well as pharmacologically acceptable salts, hydrates and solvates of said compounds of formula (1) and its tautomers, stereoisomers and N-oxides.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 8, 2006
    Inventors: Roelof Feenstra, Axel Stoit, Jan-Willem Terpstra, Maria Pras-Raves, Andrew McCreary, Bernard Van Vliet, Mayke Hesselink, Cornelis Kruse, Gustaaf Van Scharrenburg
  • Publication number: 20060089366
    Abstract: The invention relates to a group of novel piperazine and piperidine derivatives of the formula wherein Y is hydrogen, halogen, alkyl (1-3C), or CN, CF3, OCF3, SCF3, alkoxy(1-3C), amino or mono- or dialkyl(1-3C) substituted amino or hydroxy, X is O, S, SO or SO2, ---Z represents -C, =C or -N, R1 and R2 independently represent hydrogen or alkyl (1-3C), Q is benzyl or 2-, 3- or 4-pyridylmethyl, wich groups may be substited with one or more more substituents from the group halogen, nitro, cyano, amino, mono- or di (1-3C)alkylamino, (1-3C) alkoxy, CF3, OCF3, SCF3, (1-4C)-alkyl, (1-3C)alkylsulfonyl or hydroxy, and salts and prodrugs thereof. It has been found that these compounds have interesting pharmacological properties due to a combination of (partial) agonism towards the members of the dopamine D2-receptor subfamily and affinity for relevant serotonin and/or noradrenergic receptors.
    Type: Application
    Filed: May 16, 2005
    Publication date: April 27, 2006
    Inventors: Roelof Feenstra, Johannes van der Heijden, Cornelis Kruse, Stephen Long, Gustaaf van Scharrenburg
  • Publication number: 20060052331
    Abstract: The present invention relates to 2-substituted-6-trifluoromethyl purine derivatives as selective adenosine antagonists, in particular adenosine-A3 receptor antagonists, to methods for the preparation of these compounds and to novel intermediates useful for the synthesis of said purine derivatives. The compounds have the general formula (1) wherein the symbols have the meanings given in the specification.
    Type: Application
    Filed: September 7, 2005
    Publication date: March 9, 2006
    Applicant: SOLVAY PHARMACEUTICALS B.V.
    Inventors: Melle Koch, Jacobus den Hartog, Gerrit-Jan Koomen, Martinus Wanner, Roelof Feenstra
  • Publication number: 20050038015
    Abstract: The invention relates to the use of a compound or a combination of compounds having partial dopamine-D2 receptor agonistic activity and serotonin and/or noradrenaline reuptake inhibitory activity, for the preparation of a pharmaceutical composition for the treatment of psychiatric and/or neurologic disorders caused by disturbances of the major monoaminergic (dopamine, serotonin and/or nordrenaline) systems or that can be treated via manipulation of those systems.
    Type: Application
    Filed: February 11, 2003
    Publication date: February 17, 2005
    Inventors: Juliana Bronzova, Roelof Feenstra, Jeffrey Glennon, Andrew McCreary, Jan Randen, Eric Ronken, Gustaaf Scharrenburg
  • Patent number: 6780864
    Abstract: The invention relates to a group of novel piperazine and piperidine derivatives of formula (I), wherein: S1 is hydrogen, halogen, alkyl (1-3C), CN, CF3, OCF3, SCF3, alkoxy (1-3C), amino or mono- or dialkyl (1-3C) substituted amino, or hydroxy; X represents NR3, S, CH2, O, SO or SO2, wherein R3 is H or alkyl (1-3C); . . . Z represents ═C or —N; —R1 independently represent H or alkyl (1-3C), or R1 and R2 together can form a bridge 2 or 3 C-atoms; R4 is hydrogen or alkyl (1-3C); Q is methyl, ethyl, ethyl substituted with one or more fluorine atoms, cyclopropyl—methyl, optionally substituted with one or more fluorine atoms, and salts and prodrugs thereof. It has been found that these compounds have both partial dopamine D2-receptor agonism and partial serotonin 5-HT1A-receptor agonism mediated activities.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: August 24, 2004
    Assignee: DUPHAR International Research BV
    Inventors: Roelof Feenstra, Johannes A. M. Van Der Heijden, Cornelis G. Kruse, Stephen K. Long, Johannes Mos, Gerben M. Visser, Gustaaf J. M. Van Scharrenburg, Gerrit P. Toorop