Patents by Inventor Horst Boshagen

Horst Boshagen 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: 5432282
    Abstract: The present invention relates to new 2-amino-5-cyano-4-quinoline-1,4-dihydropyridines, processes for their preparation and their use in medicaments, in particular in agents for the treatment of cardiovascular diseases.
    Type: Grant
    Filed: August 30, 1994
    Date of Patent: July 11, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Siegfried Goldmann, Alexander Straub, Horst Boshagen, Martin Bechem, Rainer Gross, Siegbert Hebisch, Joachim Hutter, Howard-Paul Rounding
  • Patent number: 5420142
    Abstract: The present invention relates to the use of 3-formyl-1,4-dihydropyridine derivatives as medicaments for the control of cardiovascular diseases, in particular of pathologically changed blood pressure and of cardiac insufficiency, new compounds and a process for their preparation.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: May 30, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Gerhard Franckowiak, Horst Boshagen, Martin Bechem, Rainer Gross, Siegbert Hebisch, Joachim Hutter, Howard-Paul Rounding, Matthias Schramm
  • Patent number: 5412099
    Abstract: Intermediate compounds of formula IIR.sup.3 --CHO (II)wherein R.sup.3 is ##STR1## and R.sup.6 and R.sup.7 are as defined in the specification, are useful to make compounds having cardiovascular activity.
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: May 2, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Horst Boshagen, Jurgen Stoltefuss, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem
  • Patent number: 5380851
    Abstract: The present invention relates to new 2-amino-5-cyano-4-quinoline-1,4-dihydropyridines, processes for their preparation and their use in medicaments, in particular in agents for the treatment of cardiovascular diseases.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: January 10, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Siegfried Goldmann, Alexander Straub, Horst Boshagen, Martin Bechem, Rainer Gross, Siegbert Hebisch, Joachim Hutter, Howard-Paul Rounding
  • Patent number: 5254692
    Abstract: 2,6-dialkyl-4-(benzothiazol- or benzoxazol-7-yl)-1,4-dihydropyridines which exhibit positive inotropic action with largely neutral vascular behavior, of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms,R.sup.2 represents nitro or cyano, orR.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## and R.sup.4 represents hydrogen, orand physiologically acceptable salts thereof.
    Type: Grant
    Filed: October 15, 1992
    Date of Patent: October 19, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Horst Boshagen, Jurgen Stoltefuss, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem
  • Patent number: 5225558
    Abstract: The present invention relates to new 2-amino-5-cyano-4-quinoline-1,4-dihydropyridines, processes for their preparation and their use in medicaments, in particular in agents for the treatment of cardiovascular diseases.
    Type: Grant
    Filed: May 20, 1992
    Date of Patent: July 6, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Siegfried Goldmann, Alexander Straub, Horst Boshagen, Martin Bechem, Rainer Gross, Siegbert Hebisch, Joachim Hutter, Howard-Paul Rounding
  • Patent number: 5204472
    Abstract: Positive inotropically active 4-quinolyl-dihydropyridines of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms,R.sup.2 represents nitro or cyano, orR.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## in which R.sup.6 -denotes hydrogen, halogen or straight-chain or branched alkyl or alkoxy in each case having up to 8 carbon atoms,R.sup.7 denotes aryl, thienyl or pyridyl, andR.sup.4 represents hydrogen, or optionally substituted alkyl, alkenyl, alkadienyl or alkynyl,and their physiologically acceptable salts.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: April 20, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Horst Boshagen, Siegfried Goldmann, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem
  • Patent number: 5200420
    Abstract: 2,6-dialkyl-4-(benzothiazol- or benzoxazol-7-yl)-1,4-dihydropyridines which exhibit positive inotropic action with largely neutral vascular behavior, of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms,R.sup.2 represents nitro or cyano, orR.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## R.sup.4 -R.sup.7 are defined hereinafter and physiologically acceptable salts thereof.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: April 6, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Horst Boshagen, Jurgen Stoltefuss, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem
  • Patent number: 5100900
    Abstract: Positive inotropically active 4-quinolyl-dihydropyridines of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms,R.sup.2 represents nitro or cyano, orR.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## in which R.sup.6 - denotes hydrogen, halogen or straight-chain or branched alkyl or alkoxy in each case having up to 8 carbon atoms,R.sup.7 denotes aryl, thienyl or pyridyl, andR.sup.4 represents hydrogen, or optionally substituted alkyl, alkenyl, alkadienyl or alkynyl,and their physiologically acceptable salts.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: March 31, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Horst Boshagen, Siegfried Goldmann, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem
  • Patent number: 5096897
    Abstract: Substituted antithrombotic substituted cycloalkano[b]-dihydroindole- and -indole-sulphonamides for treatment of thromboses, thromboembolisms, ischaemias, asthma and allergies, of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are hydrogen or other radicals,X is aryl, alkyl or CF.sub.3,m and Z each is 1, 2, 3 or 4,n is 0, 1 or 2,A is a bond or --NH--, andY is OH, alkoxy, aryloxy, amino or sulphonylamine, with the proviso that, in all cases, two of the substituents R.sup.1 -R.sup.4 are other than hydrogen in the event that m represents the number 2 and Y represents the hydroxyl group,or a salt thereof.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: March 17, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Ulrich Muller, Ulrich Rosentreter, Erwin Bischoff, Volker-Bernd Fiedler, Elisabeth Perzborn, Joachim Hutter, Peter Norman, Nigel J. Cuthbert, Hilary P. Francis, Marie G. McKenniff
  • Patent number: 5079258
    Abstract: Tetrahydro-1-benz-[c,d],indolepropionic acid sulphonamides of the formula ##STR1## can be prepared by reaction of tetrahydro-1-benz-[c,d]-indolesulphonamides with acrylonitrile and subsequent hydrolysis. The new compounds can be employed inhibiting thrombocyte aggregation.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: January 7, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Ulrich Rosentreter, Elisabeth Perzborn, Volker-Bernd Fiedler
  • Patent number: 5051407
    Abstract: A method for treating a viral infection in a human or animal patient comprising administering to such patient an antivirally effective amount of a substituted hydroxypiperidine, namely a 2-hydroxymethylene-3,4,5-trihydroxypiperidine.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: September 24, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Bodo Junge, Gunther Kinast, Matthias Schuller, Jurgen Stoltefuss, Arnold Paessens
  • Patent number: 5039670
    Abstract: Substituted antithrombotic substituted cycloalkano[b]-dihydroindole- and -indole-sulphonamides for treatment of thromboses, thromboembolisms, ischemias, asthma and allergies, of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are hydrogen or other radicals,X is aryl, alkyl or CF.sub.3,m and Z each is 1,2,3 or 4,n is 0, 1 or 2,A is a bond or --NH--, andY is OH, alkoxy, aryloxy, amino or sulphonylamine, with the proviso that, in all cases, two of the substituents R.sup.1 -R.sup.4 are other than hydrogen in the event that m represents the number 2 and Y represents the hydroxyl group,or a salt thereof.
    Type: Grant
    Filed: October 17, 1990
    Date of Patent: August 13, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Ulrich Muller, Ulrich Rosentreter, Erwin Bischoff, Volker-Bernd Fiedler, Elisabeth Perzborn, Joachim Hutter, Peter Norman, Nigel J. Cuthbert, Hilary P. Francis, Marie G. McKenniff
  • Patent number: 5015657
    Abstract: Inhibiting platelet aggregation and antagonizing thromboxane A.sub.2 with new 2-halogen-substituted N-indolyethyl-sulphonamides of the formula ##STR1## in which R.sup.1 represents hydrogen, halogen, trifluoromethyl, carboxyl or alkoxycarbonyl having up to 8 carbon atoms, orrepresents straight-chain or branched alkyl having up to 8 carbon atoms, or represents cycloalkyl having 3 to 8 carbon atoms, which is optionally substituted by carboxyl, halogen, alkoxy or alkoxycarbonyl having in each case up to 8 carbon atoms, cyano or hydroxyl, orrepresents a group of the formula --S(O).sub.n --R.sup.5,--NR.sup.6 R.sup.7 or --OR.sup.
    Type: Grant
    Filed: November 15, 1989
    Date of Patent: May 14, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Elisabeth Perzborn, Volker-Bernd Fiedler
  • Patent number: 4988820
    Abstract: Cycloalkano[1,2-b]indole-sulphonamides of the formula ##STR1## in which R.sup.1 represents hydrogen, halogen, trifluoromethyl, carboxyl or alkoxycarbonyl, represents a group of the formula --S(O).sub.m R.sup.3, in which R.sup.3 denotes alkyl or aryl, and m denotes one of the numbers 0, 1 or 2, represents a group of the formula ##STR2## in which R.sup.4 and R.sup.5 are identical or different and represent hydrogen, alkyl, aryl, aralkyl or acetyl, represents a group of the formula --OR.sup.6, in which R.sup.6 denotes hydrogen, alkyl, aryl, aralkyl, alkyl-SO.sub.2 --, aryl--SO.sub.2 --, aralkyl--SO.sub.2 -- or trifluoromethyl, or represents alkyl, alkenyl or cycloalkyl, each of which is optionally substituted by carboxyl, alkoxycarbonyl, halogen, hydroxyl, alkoxy, alkylthio or cyano, R.sup.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: January 29, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Ulrich Rosentreter, Folker Lieb, Hermann Oediger, Friedel Seuter, Elisabeth Perzborn, Volker-Bernd Fiedler
  • Patent number: 4965258
    Abstract: Cycloalkano[1,2-b]indole-sulphonamides of the formula ##STR1## where appropriate in an isomeric form, and their salts are disclosed. These compounds are useful to inhibit platelet aggregation and to antoganize thromboxane A.sub.2.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: October 23, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Ulrich Rosentreter, Folker Lieb, Hermann Oediger, Friedel Seuter, Elisabeth Perzborn, Volker-Bernd Fiedler
  • Patent number: 4940705
    Abstract: N-substituted derivatives of 1-desoxynojirimycin and 1-desoxymannojirimycin of the formula ##STR1## in which one of R and R' are hydroxyl and the other is hydrogenn is a number from 1 to 6R.sup.1 is hydrogen, alkyl or benzyl andR.sup.2 is alkyl which is optionally substituted by an optionally substituted aryl or by pyridyl, thienyl, furyl, pyrimidyl, pyrazinyl or quinolyl or R.sub.1 is cycloalkyl or R.sup.2 is optionally substituted by aryl or R.sup.2 is a saturated bridged heterocycle or R.sup.1 and R.sup.2 together can form a heterocyclic ring which is optionally substituted. These compounds are useful in the treatment of and prophylaxis of viral infections.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: July 10, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Bodo Junge, Arnold Paessens, Matthias Schuller
  • Patent number: 4904797
    Abstract: Cycloalkano[1,2-b]indole-sulphonamides of the formula ##STR1## where appropriate in an isomeric form, and their salts are disclosed. These compounds are useful to inhibit platelet aggregation and to antagonize thromboxane A.sub.2.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: February 27, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Ulrich Rosentreter, Folker Lieb, Hermann Oediger, Friedel Seuter, Elisabeth Perzborn, Volker-Bernd Fiedler
  • Patent number: 4895855
    Abstract: A composition effective for treating circulation disorders comprises a mixture of ##STR1## wherein the variables can have varied meetings. I are inotropic and II are vasodilating but, whereas the ingredients in the combination would be expected to be antagonistic, they are reinforcing.
    Type: Grant
    Filed: December 6, 1985
    Date of Patent: January 23, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Horst Boshagen, Friedrich Bossert, Gerhard Franckowiak, Horst Meyer, Jurgen Stoltefuss, Rainer Gross, Matthias Schramm, Gunter Thomas
  • Patent number: 4882353
    Abstract: For inhibiting thombocyte aggregation, vasodilating and bronchodilating, the new chroman derivatives of the formula ##STR1## in which R.sup.1 stands for hydrogen, halogen, alkyl, hydroxyl, alkoxy, trifluoromethyl or cyano,R.sup.2 and R.sup.3 are identical or different and stand for hydrogen, alkyl, cycloalkyl or aryl,R.sup.4 stands for hydroxyl, alkoxy, aryloxy, aralkoxy or for a group of the formula --NR.sup.5 R.sup.6, whereR.sup.5 and R.sup.6 are identical or different and in each case denote hydrogen, alkyl, aryl or aralkyl,X denotes a direct bond or an oxygen or sulphur atom, NH or N-alkyl, andn denotes 0 or 1,and their physiologically tolerable salts.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: November 21, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewohner, Franz-Peter Hoever, Folker Lieb, Hermann Oediger, Ulrich Rosentreter, Horst Boshagen, Elisabeth Perzborn, Volker-Bernd Fiedler, Friedel Seuter