Patents by Inventor Jorgen Drejer

Jorgen Drejer 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: 20220160658
    Abstract: The present invention relates to a method of reducing body weight or hyperphagia in Prader-Willi patients comprising administering the active compound Tesofensine or a pharmaceutically acceptable salt thereof, preferably by the administration of a controlled release formulation comprising the active compounds tesofensine and a beta blocker. The invention further relates to pharmaceutical compositions comprising no more than 0.
    Type: Application
    Filed: January 7, 2020
    Publication date: May 26, 2022
    Inventors: Jørgen DREJER, Thomas Amos JACOBSEN, Thomas FELDTHUS
  • Patent number: 6693111
    Abstract: Indole-2,3-dione-3-oxime derivatives, for instance compounds represented by the formula are capable of antagonizing the effect of excitatory amino acids, such as glutamate. Also disclosed are methods of preparing the compounds, pharmaceutical compositions comprising them, and methods of treatment of disorders or diseases which are responsive to excitatory amino acid receptor antagonists.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: February 17, 2004
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Jorgen Drejer
  • Patent number: 6239128
    Abstract: The present invention relates to the use of indole-2,3-dione-3-oxime derivatives in a method of combating diseases and disorders associated with or mediated by the release of excitatory amino acids.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: May 29, 2001
    Assignee: Neurosearch A/S
    Inventors: Frank Watjen, Jorgen Drejer
  • Patent number: 6180649
    Abstract: The present invention discloses compounds of the formula wherein the dotted bonds are optional extra bonds allowing any tautomeric isomers compatible with substituents X and R3; R3 is non-existing, hydrogen, or alkyl; X is O, S, imino, alkoxy, alkylthio, or amino; R1 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, acyl, acylalkyl, alkoxyalkyl, dialkoxyalkyl, or phenylalkyl which may be substituted with alkyl, halogen, amino, nitro or cyano; and R4, R5, R6 and R7 independently of each other are hydrogen; halogen; amino; nitro; CN; CF3; COOH; COO-alkyl; alkyl; acyl; alkoxy; —(CH2)n,—OH wherein n is 0, 1, 2, or 3; —(CH2)m—O-alkyl wherein m is 0, 1,2, or 3; —(CH2)p—O-acyl wherein p is 0, 1,2, or 3; or a pharmaceutically acceptable addition salt thereof.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: January 30, 2001
    Assignee: NeroSearch A/S
    Inventors: Peter Moldt, Bjarne Hugo Dahl, Jorgen Drejer, Oskar Axelsson
  • Patent number: 6124285
    Abstract: The present invention relates to novel indole-2,3-dione-3-oxime derivatives capable of antagonising the effect of excitatory amino acids, such as glutamate. More specifically the novel indole-2,3-dione-3-oxime derivatives of the invention may be described by general formula (I), wherein R.sup.3 represents "Het", or a group of formula (II), wherein "Het" represents a saturated or unsaturated, 4 to 7 membered, monocyclic, heterocyclic ring, at least one of R.sup.31, R.sup.32, and R.sup.33 independendy represents hydrogen, alkyl, or hydroxyalkyl, and at least one of R.sup.31, R.sup.32, and R.sup.33 independently represents (CH.sub.2).sub.n R.sup.34 ; wherein R.sup.34 represents hydroxy, carboxy, alkoxycarbonyl, alkenyloxycarbonyl, alkynyloxycarbonyl, cycloalkoxycarbonyl, cycloalkyl-alkoxycarbonyl, aryloxycarbonyl, aralkoxycarbonyl, CONR.sup.35 R.sup.36, or "Het"; wherein n is 0, 1, 2, or 3; and R.sup.5 represents phenyl, naphthyl, thienyl, or pyridyl, all of which may be substituted.
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: September 26, 2000
    Assignee: Neurosearch A/S
    Inventors: Frank Watjen, Jorgen Drejer
  • Patent number: 5843945
    Abstract: The present patent application discloses compounds having formula (I) or a pharmaceutically acceptable salt thereof wherein R.sup.1 is hydrogen, alkyl or benzyl; X is O or NOR.sup.2, wherein R.sup.2 is hydrogen, alkyl or benzyl; Y is N--R.sup.4 wherein R.sup.4 is hydrogen, OH or alkyl; n is 0 or 1; R.sup.6 is phenyl, naphthyl, thienyl, pyridyl, all of which may be substituted one or more times with substituents selected from the group consisting of halogen, CF.sub.3, NO.sub.2, amino, alkyl, alkoxy and phenyl; A is a ring of five to seven atoms fused with the benzo ring at the positions marked a and b. The compounds are useful in the treatment of cerebrovascular disorders.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: December 1, 1998
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Jorgen Drejer
  • Patent number: 5780493
    Abstract: The present patent application discloses compounds having formula (I) or a pharmaceutically acceptable salt thereof wherein R.sup.1 is hydrogen, alkyl or benzyl; X is O or NOR.sup.2, wherein R.sup.2 is hydrogen, alkyl or benzyl; Y is N--R.sup.4 wherein R.sup.4 is hydrogen, OH or alkyl; n is 0 or 1; R.sup.6 is phenyl, naphthyl, thienyl, pyridyl, all of which may be substituted one or more times with substituents selected from the group consisting of halogen; CF.sub.3, NO.sub.2, amino, alkyl, alkoxy and phenyl; A is a ring of five to seven atoms fused with the benzo ring at the positions marked a and b. The compounds are useful in the treatment of cerebrovascular disorders for example.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: July 14, 1998
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Jorgen Drejer
  • Patent number: 5478859
    Abstract: The present patent application discloses compounds having the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein R.sup.21 and R.sup.22 each independently are alkyl; andR.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.11, R.sup.12, R.sup.13, and R.sup.14 each independently are hydrogen, halogen, CF.sub.3, CN, or NO.sub.2.The compounds are useful as in vivo active glutamate antagonists.
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: December 26, 1995
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Jorgen Drejer, Leif H. Jensen
  • Patent number: 5436250
    Abstract: A compound having the formula ##STR1## wherein R.sup.4 and R.sup.5 independently are hydrogen, halogen, CF.sub.3, CN, NO.sub.2 or SO.sub.2 NR.sup.1 R.sup.2 whereinR.sup.1 is hydrogen or C.sub.1-6 -alkyl which may be straight, branched or cyclic,R.sup.2 is hydrogen or C.sub.1-6 -alkyl which may be straight, branched or cyclic, or wherein R.sup.1 and R.sup.2 together represent --(CH.sub.2).sub.n --A--(CH.sub.2).sub.m --, wherein A is O, S, CH.sub.2 or NR.sup.I, wherein R.sup.I is H, C.sub.1-6 -alkyl which may be straight, branched or cyclic, n is 0, 1, 2, 3, 4, 5 and m is 0, 1, 2, 3, 4, 5;R.sup.II is hydrogen, benzyl, (C.dbd.O)CF.sub.3, C.sub.1-6 -carboxylic acid acyl, C.sub.1-6 -alkoxy which may be branched or cyclic, or C.sub.1-6 -alkyl which may be straight, branched or cyclic, CH.sub.2 CO.sub.2 R.sup.VI wherein R.sup.VI is hydrogen or C.sub.
    Type: Grant
    Filed: July 7, 1993
    Date of Patent: July 25, 1995
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Bjarne H. Dahl, Jorgen Drejer, Lein H. Jensen
  • Patent number: 5310756
    Abstract: Novel aryloxyphenylpropylamines having the formula ##STR1## wherein X is H, cyano, halogen, halogenoalkyl, C.sub.1-6 -alkoxy, C.sub.1- -alkyl, C.sub.1-5 -alkanoyl, C.sub.3-5 -alkylene, aryloxy- or aralkoxy, andR is 3,4-methylenedioxy, aryl or heteroaryl which are optionally substituted with one or more cyano, halogeno, C.sub.1-6 -alkyl, C.sub.1-6 -alkoxy, C.sub.1-6 -alkenyl, trifluoromethyl, C.sub.3-5 -alkylene, aryloxy or aralkoxy; andR.sup.1 and R.sup.2 independently is C.sub.1-10 -alkyl, C.sub.3-7 -cycloalkyl, C.sub.2-10 -alkenyl, C.sub.3-6 -cycloalkyl-C.sub.1-5 -alkyl, optionally substituted with C.sub.1-5 -alkoxy or cyano; orR.sup.1 and R.sup.2 may together form a carbocyclic ring and a salt thereof with a pharmaceutically acceptable acid,provided however that R.sup.1 is not C.sub.3-7 -cycloalkyl, C.sub.1-10 -alkyl, or alkenyl which may be straight, branched or cyclic, unsubstituted or substituted with C.sub.1-4 -alkoxy, aryloxy or cycloalkyl or cycloalkylalkyl, when X is H and R.sup.2 is a methyl group.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: May 10, 1994
    Assignee: Novo Nordisk A/S
    Inventors: Palle Jakobsen, Jorgen Drejer
  • Patent number: 5270306
    Abstract: A method of antagonizing the biological effects of an excitatory amino acid of a subject in need of such antagonization comprising the step of administering to said subject an effective amount of a compound having the formula ##STR1## wherein R.sup.3 is hydrogen, C.sub.1-8 -alkyl which may be branched, or cycloalkylmethyl;R.sup.7 and R.sup.8 are independently hydrogen, halogen, CF.sub.3, CN, NO.sub.2, NH.sub.2, C.sub.1-4 -alkyl or C.sub.1-4 -alkoxy; andR.sup.4 is hydrogen and R.sup.5 is hydrogen or C.sub.1-7 -alkyl; or R.sup.4 and R.sup.5 together signify (CH.sub.2).sub.n wherein n is an integer of 2-3.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: December 14, 1993
    Assignee: NeuroSearch A/S
    Inventors: Leif H. Jensen, Jorgen Drejer, Frank Watjen
  • Patent number: 5242918
    Abstract: A compound having the formula ##STR1## wherein R.sup.4 and R.sup.5 independently are hydrogen, halogen, CF.sub.3, CN, NO.sub.2 or SO.sub.2 NR.sup.1 R.sup.2 whereinR.sup.1 is hydrogen or straight, C.sub.1-6 -alkyl which may be branched or cyclic,R.sup.2 is hydrogen or straight, C.sub.1-6 -alkyl which may be branched or cyclic,or wherein R.sup.1 and R.sup.2 together represent --(CH.sub.2).sub.n --A--(CH.sub.2).sub.m --, wherein A is O, S, CH.sub.2 or NR.sup.I, wherein R.sup.I is H, C.sub.1-6 -alkyl which may be straight, branched or cyclic, n is 0, 1, 2, 3, 4, 5 and m is 0, 1, 2, 3, 4, 5;Q is NOH or O;Z=O, S, N--R.sup.II, ##STR2## wherein R.sup.II, R.sup.III, R.sup.IV and R.sup.V independently are hydrogen, benzyl, C.sub.1-6 carboxylic acid-acyl, C.sub.1-6 -alkoxy which may be branched or cyclic, or C.sub.1-6 -alkyl which may be branched or cyclic;X is --(CH.sub.2).sub.o -- wherein o is 0, 1, 2, or 3;Y is --(CH.sub.2).sub.p -- wherein p is 0, 1, 2 or 3;.alpha. and .beta.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: September 7, 1993
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Bjarne H. Dahl, Jorgen Drejer, Leif H. Jensen
  • Patent number: 5227379
    Abstract: Piperidine compounds having the formula ##STR1## wherein R.sup.3 is 3,4-methylenedioxyphenyl, phenyl, or naphthyl which are optionally substituted with one or more halogen, C.sub.1-6 -alkoxy, or phenoxy, cyano, mono or poly halogenated C.sub.1-6 -alkyl, C.sub.2-6 -alkenyl, C.sub.1-6 -alkyl, or C.sub.3-5 -alkylene, R.sup.1 is straight or branched C.sub.1-8 -alkyl substituted with piperidinyl morpholinyl thiomorpholinyl dioxolanyl or tetrahydrofuranyl, which heterocyclic radical is unsubstituted or C.sub.1-6 -alkyl substituted,X is hydrogen, halogen, trifluoromethyl, hydroxy, cyano, or C.sub.1-8 -alkoxy,Y is O or S; and pharmaceutically-acceptable acid addition salts thereof.The compounds are useful in the treatment of anoxia, migraine, ischemia, and epilepsy.
    Type: Grant
    Filed: December 5, 1991
    Date of Patent: July 13, 1993
    Assignee: Novo Nordisk A/S
    Inventors: Palle Jakobsen, Jorgen Drejer
  • Patent number: 5223527
    Abstract: A compound having the formula ##STR1## wherein R.sup.1 is C.sub.1-6 -alkyl which may be branched or cyclic;R.sup.2 is C.sub.1-6 -alkyl which may be branched or cyclic; or wherein R.sup.1 and R.sup.2 together represent --(CH.sub.2).sub.n --, wherein n is 3, 4, 5.and a method of treating disorders of a mammal, including a human, responsive to the blockade of glutamic and aspartic acid receptors, with the same.
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: June 29, 1993
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Jorgen Drejer, Leif H. Jensen
  • Patent number: 5198461
    Abstract: A method of treatment with compounds having the formula ##STR1## R.sup.1 is hydrogen, C.sub.1-6 -alkyl which may be branched, C.sub.3-7 -cycloalkyl, benzyl, phenyl which may be substituted, acyl, hydroxy, C.sub.1-6 -alkoxy, CH.sub.2 CO.sub.2 R' wherein R' is hydrogen or C.sub.1-6 -alkyl which may be branched, CH.sub.2 CN, CH.sub.2 CONR.sup.IV R.sup.V wherein R.sup.IV and R.sup.V independently are hydrogen or C.sub.1-6 -alkyl, or CH.sub.2 C(.dbd.NOH)NH.sub.2 ; R.sup.2 is hydrogen, benzyl, C.sub.1-6 -alkyl which may be branched, or C.sub.3-7 -cycloalkyl; R.sup.4, R.sup.5, R.sup.6, R.sup.7 independently are hydrogen, C.sub.1-6 -alkyl which may be branched, phenyl, halogen, C.sub.1-6 -alkoxy, NO.sub.2, CN, CF.sub.3, OCF.sub.3, or SO.sub.2 NR"R'" wherein R" and R'" independently are hydrogen, aralkoxy, aralkyl, or C.sub.1-6 -alkyl; or R.sup.6 and R.sup.7 together form an additional 4 to 7 membered ring which may be aromatic or partial saturated and which may be substituted with halogen, NO.sub.2, CF.sub.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: March 30, 1993
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Jorgen Drejer, Leif H. Jensen
  • Patent number: 5158961
    Abstract: Novel piperidine compounds having the formula ##STR1## wherein the symbols have the same meaning as set forth in the specification, and salts thereof with a pharmaceutically acceptable acid, are disclosed.The novel compound are useful in the treatment of anoxia, migraine, ischemia and epilepsy.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: October 27, 1992
    Assignee: Novo Nordisk A/S
    Inventors: Palle Jakobsen, Jorgen Drejer
  • Patent number: 5145870
    Abstract: Novel aryloxyphenylpropylamines having the formula ##STR1## wherein X is H, cyano, halogen, halogenoalkyl, C.sub.1-6 -alkoxy, C.sub.1-6 -alkyl, C.sub.1-5 -alkanoyl, C.sub.3-5 -alkylene, aryloxy or aralkoxy, andR is 3,4-methylenedioxy, aryl or heteroaryl which are optionally substituted with one or more cyano, halogeno, C.sub.1-6 -alkyl, C.sub.1-6 -alkoxy, C.sub.1-6 -alkenyl, trifluoromethyl, C.sub.3-5 -alkylene, aryloxy or aralkoxy; andR.sup.1 and R.sup.2 independently is C.sub.1-10 -alkyl, C.sub.3-7 -cycloalkyl, C.sub.2-10 -alkenyl, C.sub.3-6 -cycloalkyl-C.sub.1-5 -alkyl, optionally substituted with C.sub.1-5 -alkoxy or cyano;R.sup.1 and R.sup.2 may together form a carbocyclic ring and a salt thereof with a pharmaceutically acceptable acid,provided however that R.sup.1 is not C.sub.3-7 -cycloalkyl, C.sub.1-10 -alkyl, or alkenyl which may be straight, branched or cyclic, unsubstituted or substituted with C.sub.1-4 -alkoxy, aryloxy or cycloalkyl or cycloalkylalkyl, when X is H and R.sup.2 is a methyl group.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: September 8, 1992
    Assignee: Novo Nordisk A/S
    Inventors: Palle Jakobsen, Jorgen Drejer
  • Patent number: 5109001
    Abstract: Heterocyclic dihydroxyquinoxaline compounds having the formula ##STR1## wherein R.sup.2 is hydrogen, NO.sub.2, NH.sub.2, CN, halogen, or SO.sub.2 NH.sub.2 ;--X--Y--Z-- is selected from .dbd.N-Se--N.dbd., .dbd.N--O--N.cuberoot., .dbd.N--S--N.dbd.;wherein R.sup.3 is hydrogen, lower alkyl, or CF.sub.3.The invention also relates to a method of preparing the compounds, pharmaceutical compositions thereof, and their use.The compounds are useful in the treatment of indications caused by hyperactivity of the excitatory neurotransmitters.
    Type: Grant
    Filed: August 22, 1990
    Date of Patent: April 28, 1992
    Assignee: Novo Nordisk A/S
    Inventors: Poul Jacobsen, Flemming E. Nielsen, Tage Honore, Jorgen Drejer
  • Patent number: 5079250
    Abstract: Heterocyclic dihydroxyquinoxaline compounds having the formula ##STR1## wherein R.sup.2 is hydrogen, NO.sub.2, NH.sub.2, CN, halogen, or SO.sub.2 NH.sub.2 ; --X--Y--Z-- is selected from --N.dbd.CR.sup.3 --CR.sup.3 .dbd.N--, --NH--CR.sup.3 .dbd.CR.sup.3 --CR.sup.3 .dbd.N--, wherein R.sup.3 is hydrogen, lower alkyl, or CF.sub.3.The invention also relates to a method of preparing the compounds, pharmaceutical compositions thereof, and their use.The compounds are useful in the treatment of indications caused by hyperactivity of the excitatory neurotransmitters.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: January 7, 1992
    Assignee: Novo Nordisk A/S
    Inventors: Poul Jacobsen, Flemming E. Nielsen, Tage Honore, Jorgen Drejer
  • Patent number: RE38200
    Abstract: The present invention relates to novel indole-2,3-dione-3-oxime derivatives capable of antagonising the effect of excitatory amino acids, such as glutamate. More specifically the novel indole-2,3-dione-3-oxime derivatives of the invention may be described by general formula (I), wherein R3 represents “Het”, or a group of formula (II), wherein “Het” represents a saturated or unsaturated, 4 to 7 membered, monocyclic, heterocyclic ring, at least one of R31, R32, and R33 independendy represents hydrogen, alkyl, or hydroxyalkyl, and at least one of R31, R32, and R33 independently represents (CH2)nR34; wherein R34 represents hydroxy, carboxy, alkoxycarbonyl, alkenyloxycarbonyl, alkynyloxycarbonyl, cycloalkoxycarbonyl, cycloalkylalkoxycarbonyl, aryloxycarbonyl, aralkoxycarbonyl, CONR35R36, or “Het”; wherein n is 0, 1, 2, or 3; and R5 represents phenyl, naphthyl, thienyl, or pyridyl, all of which may be substituted.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: July 22, 2003
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Jorgen Drejer