Patents by Inventor Christoph Seyfried

Christoph Seyfried 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: 4617309
    Abstract: Sulfur-containing indole derivatives of the general formula I ##STR1## wherein Ind is a 3-indolyl radical which can be substituted once or twice by alkyl, O-alkyl, S-alkyl, SO-alkyl, SO.sub.2 -alkyl, OH, F, Cl, Br, CF.sub.3 and/or CN by a methylenedioxy group, A is --(CH.sub.2).sub.n --E--C.sub.m H.sub.2m -- or --(CH.sub.2).sub.n --E--C.sub.m-1 H.sub.2m-2 CO--, n is 0 or 1, m is 2, 3 or 4, E is S, SO or SO.sub.2 and Ar is a phenyl group which is unsubstituted or substituted once or twice by alkyl, O-alkyl, S-alkyl, SO-alkyl, SO.sub.2 -alkyl, OH, F, Cl, Br, CF.sub.3 and/or CN or by a methylenedioxy group and wherein the alkyl groups each have 1-4 C atoms, and their physiologically acceptable acid addition salts exhibit effects on the central nervous system.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: October 14, 1986
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Henning Bottcher, Rudolf Gottschlich, Hans-Heinrich Hausberg, Christoph Seyfried, Klaus-Otto Minck
  • Patent number: 4547576
    Abstract: Tetrahydrocarbazole derivatives of the general formula I ##STR1## in which Thc is a 1,2,3,4-tetrahydro-3-carbazolyl radical which can be substituted once or twice by alkyl, O-alkyl, S-alkyl, SO-alkyl, SO.sub.2 -alkyl, OH, F, Cl, Br, CF.sub.3 and/or CN or by a methylenedioxy group, the two radicals Y are each H or together are a C--C bond, one radical Z is Ar and the other radical Z is H, A is --CH.sub.2 -- or --CH.sub.2 CH.sub.2 -- and Ar is a phenyl group which is unsubstituted or substituted once or twice by alkyl, O-alkyl, S-alkyl, SO-alkyl, SO.sub.2 -alkyl, OH, F, Cl, Br, CF.sub.3 and/or CN or by a methylenedioxy group, or is a 2- or 3-thienyl radical, and in which the alkyl groups each have 1-4 C atoms, and their physiologically acceptable acid addition salts have effects on the central nervous system.
    Type: Grant
    Filed: January 4, 1984
    Date of Patent: October 15, 1985
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Hans-Heinrich Hausberg, Henning Bottcher, Rudolf Gottschlich, Christoph Seyfried, Klaus-Otto Minck
  • Patent number: 4508732
    Abstract: Basic ethers of the formula ##STR1## wherein Z is CH.sub.3 -NR.sup.2 -CH.sub.2 CH.sub.2 -CHR.sup.1 --, (1-R.sup.2 -3-piperidyl)-CHR.sup.3 --, (1-R.sup.2 -2-piperidyl)-CH.sub.2 -CHR.sup.3 -- or 1-R.sup.2 -3-R.sup.4 -- hexahydroazepinyl; R.sup.1 is cyclopropyl or Ar; R.sup.2 is H, alkyl of 1-4 C atoms, alkenyl of 2-4 C atoms, cycloalkylalkyl of 4-8 C atoms or benzyl; R.sup.3 is H or Ar; R.sup.4 is H or alkyl of 1-4 C atoms, Y is --O-CHQ.sup.1 -CHQ.sup.2 -CH.sub.2 --, --O-CHQ.sup.1 -CHQ.sup.2 -CO--, --O-CQ.sup.1 .dbd.CQ.sup.2 -CO-- or --CH.sub.2 -CHQ.sup.1 -CHQ.sup.2 -CO--; Q.sup.1 and Q.sup.2 are independently each H, alkyl of 1-4 C atoms, cycloalkyl or alkylcycloalkyl each of 3-6 total C atoms or Ar; and Ar is phenyl or phenyl substituted by F, Cl, alkoxy or alkylthio, each of 1-4 C atoms, methylenedioxy or CF.sub.3 ; with the proviso that when Z is (CH.sub.3).sub.2 N-CH.sub.2 CH.sub.2 -CHR.sup.1 in 7-position and Y is --O-C(C.sub.6 H.sub.5).dbd.CH-CO-- or --O-C(C.sub.6 H.sub.5).dbd.C(CH.sub.3)-CO--, R.sup.
    Type: Grant
    Filed: January 21, 1983
    Date of Patent: April 2, 1985
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Hans-Heinrich Hausberg, Helmut Prucher, Jurgen Uhl, Christoph Seyfried, Klaus Minck
  • Patent number: 4500541
    Abstract: Cyclopropane derivatives of the formula ##STR1## wherein Ar is phenyl or phenyl monosubstituted or polysubstituted by F, Cl, Br, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.2-4 alkenyloxy, C.sub.1-4 alkylthio, OH, SH, CN, methylenedioxy or CF.sub.3 ; and R is H, C.sub.1-4 alkyl or benzyl, or a physiologically acceptable acid addition salt thereof, have valuable pharmacological properties, e.g., as antidepressants.
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: February 19, 1985
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Hans-Heinrich Hausberg, Jurgen Uhl, Christoph Seyfried, Klaus-Otto Minck
  • Patent number: 4376123
    Abstract: Basic ethers of the formula ##STR1## wherein Z is CH.sub.3 --NR.sup.2 --CH.sub.2 CH.sub.2 --CHR.sup.1 --, (1-R.sup.2 -3-piperidyl)-CHR.sup.3 --, (1-R.sup.2 -2-piperidyl)-CH.sub.2 --CHR.sup.3 - or 1-R.sup.2 -3-R.sup.4 -hexahydroazepinyl; R.sup.1 is cyclopropyl or Ar; R.sup.2 is H, alkyl of 1-4 C atoms, alkenyl of 2-4 C atoms, cycloalkylalkyl of 4-8 C atoms or benzyl; R.sup.3 is H or Ar; R.sup.4 is H or alkyl of 1-4 C atoms, Y is --O--CHQ.sup.1 --CHQ.sup.2 --CH.sub.2 --, --O--CHQ.sup.1 --CHQ.sup.2 --CO--, --O--CQ.sup.1 .dbd.CQ.sup.2 --CO-- or --CH.sub.2 --CHQ.sup.1 --CHQ.sup.2 --CO--; Q.sup.1 and Q.sup.2 are independently each H, alkyl of 1-4 C atoms, cycloalkyl or alkylcycloalkyl each of 3-6 total C atoms or Ar; and Ar is phenyl or phenyl substituted by F, Cl, alkoxy or alkylthio, each of 1-4 C atoms, methylenedioxy or CF.sub.3 ; with the proviso that when Z is (CH.sub.3 ).sub.2 N--CH.sub.2 CH.sub.2 --CHR.sup.1 in 7-position and Y is --O--C(C.sub.6 H.sub.5).dbd.CH--CO-- or --O--C(C.sub.6 H.sub.5).dbd.C(CH.sub.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: March 8, 1983
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Hans-Heinrich Hausberg, Helmut Prucher, Jurgen Uhl, Christoph Seyfried, Klaus Minck
  • Patent number: 4251538
    Abstract: Indolealkylamines of the formula ##STR1## wherein Ind is 1-R.sup.4 -2-R.sup.5 -indol-3-yl or the corresponding group in which the benzene ring is monosubstituted to trisubstituted by alkyl, O-alkyl, S-alkyl, OH, F, Cl, Br, CF.sub.3 or CN; A is --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.3 --CO-- or --CO--(CH.sub.2).sub.2 --CO--; R.sup.1 is H or methyl; R.sup.2 is H or together with R.sup.3 is a C--C bond; R.sup.3 is H or together with R.sup.2 is a C--C bond; R.sup.4 and R.sup.5 are each H, alkyl, or phenyl; and Ar is phenyl or phenyl monosubstituted or disubstituted by alkyl, F, Cl, Br, I or CF.sub.3 ; wherein alkyl in each case is of 1-4 carbon atoms;and the physiologically acceptable acid addition salts thereof possess valuable pharmacological properties.
    Type: Grant
    Filed: June 22, 1979
    Date of Patent: February 17, 1981
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Hans-Heinrich Hausberg, Volker Koppe, Eike Poetsch, Otto Saiko, Christoph Seyfried
  • Patent number: 4225608
    Abstract: Phenoxyalkylamines of the formulaAr--O--Rwherein Ar is phenyl or phenyl which is monosubstituted or disubstituted by F, Cl, Br, alkyl or alkoxy each of 1-4 carbon atoms, cycloalkoxy of 3-6 carbon atoms, CF.sub.3, CN, alkylthio of 1-4 carbon atoms, SCF.sub.3, OH and/or alkanoyloxy with 1-10 carbon atoms; R is (1-R.sup.1 -2-pyrrolidyl)--CH.sub.2 --CHR.sup.2 --, (1-R.sup.1 -2-piperidyl)-CH.sub.2 --CHR.sup.2 -- or 1-R.sup.1 -3-Z-4-hexahydroazepinyl; R.sup.1 is H, alkyl or alkenyl each of up to 4 carbon atoms, cyclopropylmethyl or benzyl; R.sup.2 is H, alkyl of 1-4 carbon atoms or phenyl; and Z is alkyl of 1-4 carbon atoms with the proviso that Ar is p-fluorophenyl only if R is not 2-(1-methyl-2-piperidyl)-ethyl; and the physiologically acceptable acid addition salts thereof, possess valuable pharmacological properties, e.g., are antidepressants.
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: September 30, 1980
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Jurgen Uhl, Dieter Marx, Hans-Heinrich Hausberg, Wighard Strehlow, Klaus-Otto Minck, Helmut Muller-Calgan, Christoph Seyfried
  • Patent number: 4122180
    Abstract: Isoquinolines of the formula ##STR1## wherein R.sup.1 is H or alkyl of 1 - 4 carbon atoms, R.sup.2 is H and R.sup.3 is OH or R.sup.2 and R.sup.3 collectively are a C--C bond, and physiologically acceptable acid addition salts thereof have anti-depressant activity and can be prepared by solvolyzing or hydrogenolyzing a compound of the formula ##STR2## or an acid addition salt thereof, wherein R.sup.4 is R.sup.1 or R.sup.6, R.sup.5 is OR.sup.7 or, when R.sup.4 is R.sup.6, R.sup.3 ; R.sup.6 and R.sup.7 are radicals which can be split off solvolytically or hydrogenolytically and R.sup.1 and R.sup.2 are as above; and the optional step of dehydrating a resulting carbinol (R.sup.2 is H, R.sup.3 is OH) and/or treating a resulting compound (R.sup.1 is H) with a N-alkylating agent and/or converting a resulting base to a physiologically acceptable acid addition salt by treatment with and acid.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: October 24, 1978
    Assignee: Merck Patent Gesellschaft mit Beschraenkter Haftung
    Inventors: Rolf Pohlke, Wighard Strehlow, Helmut Mueller-Calgan, Christoph Seyfried
  • Patent number: 4021555
    Abstract: Administration of mepiprazole during L-dopa therapy for parkinsonism reduces undesired side effects of L-dopa and enhances the desired effects of L-dopa.
    Type: Grant
    Filed: December 16, 1975
    Date of Patent: May 3, 1977
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Christoph Seyfried, Herbert Nowak