Patents by Inventor Gunter Neef

Gunter Neef 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: 5292728
    Abstract: New 24-oxa derivatives in the vitamin D series of general formula I are described in whichR.sup.1, R.sup.2 and R.sup.5, independently of one another, mean a hydrogen atom or an acyl group with 1 to 9 carbon atoms,R.sup.3 means a hydrogen atom or a linear or branched alkyl group with 1 to 4 carbon atoms andR.sup.4 means a hydrogen atom each or a linear or branched alkyl group each with 1 to 4 carbon atoms.Pharmaceutical preparations which contain these compounds are also disclosed.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: March 8, 1994
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Gerald Kirsch, Andreas Steinmeyer, Katica Schwarz, Matthias Brautigam, R. Thieroff-Ekerdt, Petra Rach
  • Patent number: 5244886
    Abstract: New 11.beta.-phenyl-14.beta.H-steroids of general formula (I), where Z is an oxygen atom or the hydroxyimino-grouping N.about.OH, and M and N are either jointly a second compound or L is a hydrogen atom and M is an .alpha.-permanent hydroxy group and either A and B together are a second compound and D is a hydrogen atom, where R.sup.1 is a five or six-part heteroalkyl residue or a cycloalkyl, cycloalkenyl or aryl residue or A is a hydrogen atom and B and D together are a methylene bridge, where R.sup.1 besides the aforementioned residues may be a possibly substituted hydrocarbon residue with up to 10 C atoms, a possibly substituted amino group, a hydroxy or C.sub.1-8 alkoxy, mercapto or thioalkyl group, R.sup.2 is a methyl or ethyl residue, and R.sup.3 /R.sup.4 represents the usual combination of substituents on the C17 atom in steroid chemistry, having antigestagenic and other properties.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: September 14, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Stefan Scholz, Gunter Neef, Eckhard Ottow, Walter Elger, Sybille Beier, Krzysztof Chwalisz
  • Patent number: 5232915
    Abstract: 9.alpha.-Hydroxy-19,11.beta.-bridged steroids of general formula I ##STR1## are described. The more detailed meaning of A, B, R.sup.1, R.sup.2, G, Z, R.sup.4 --Y and R.sup.4' --Y' follows from the description. The steroids of general formula I have antigestagen and/or antiglucocorticoidal action and can be used for the production of pharmaceutical agents.
    Type: Grant
    Filed: January 14, 1992
    Date of Patent: August 3, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Gunter Neef, Rudolf Wiechert, Walter Elger, Sybille Beier, Karl-Heinrich Fritzemeier
  • Patent number: 5134136
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: July 28, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerald Kirsch, Henry Laurent, Rudolf Wiechert, Sybille Beier, Walter Elger, James R. Bull, Gunter Neef
  • Patent number: 5095129
    Abstract: New 19,11.beta.-bridged steroids of the general formula I ##STR1## where R.sup.1 stands for a methyl or ethyl radical,R.sup.2 for a hydrogen or chlorine atom or a C.sub.1 -C.sub.4 -alkyl radical,B and G, which are the same or different, respectively for a hydrogen atom, a C.sub.1 -C.sub.4 -alkyl radical or, together, for a second bond between the carbon atoms 6 and 7,B and R.sup.2 together for a methylene or an ethylene group,Z for the radical of a pentagonal or hexagonal ring, which is possibly substituted and possibly unsaturated,V stands for a possibly substituted carbocyclic or heterocyclic aryl radical,the ring A for ##STR2## M and N together meaning a second bond or M a hydrogen atom and N a hydroxy group,X means an oxygen atom, two hydrogen atoms or a hydroxyimino grouping N.about.OH,R.sup.3 and D, which are the same or different, respectively a hydrogen atom, a nitrile radical or a C.sub.1 -C.sub.4 -alkyl radical or, together, a methylene or ethylene group,E a hydrogen atom or a C.sub.1 -C.sub.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: March 10, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David A. Henderson
  • Patent number: 5093507
    Abstract: 10.beta.,11.beta.-bridged steroids of Formula I ##STR1## wherein R.sup.1 is H or methyl;R.sup.2 is H, a cyanide residue, a heteroaryl residue, a straight-chain or branched aliphatic, e.g., alkyl group of up to 20 carbon atoms, optionally exhibiting double or triple bonds and, if desired, being substituted by one or several oxo groups, a C.sub.4-7 cycloalkyl or C.sub.4-7 cycloalkenyl group, an OR.sup.3 --, SR.sup.3 --, --OSO.sub.2 --R.sup.11 -- group wherein R.sup.11 means a perfluroinated C.sub.1 -C.sub.4 -alkyl group or an NR.sup.3 R.sup.4 -group wherein R.sup.3 means an H atom or C.sub.1 -C.sub.8 -alkyl residue, R.sup.4 means R.sup.3, a cyanide or a C.sub.1 -C.sub.10 -acyl residue, or R.sup.3 and R.sup.4 jointly with the inclusion of N means of 5- or 6-membered heterocyclic ring wherein the ring can additionally contain a further hetero atom N, O, or S, or a 4-cyano-, 4-methoxy- or 4-dimethylamino-substituted phenyl group,A and B either mean jointly a further bond between C4 and C5, or A is an .alpha.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: March 3, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Cornelius Scheidges, Eckhard Ottow, Gunter Neef, Sybille Beier, Walter Elger
  • Patent number: 5089488
    Abstract: 11 .beta.-(4-isopropenylphenyl)-estra-4,9-dienes of general Formula I ##STR1## wherein X is an oxygen atom or a hydroxyimino grouping ##STR2## R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is a hydrogen atom or an acyl residue of 1-10 carbon atoms,R.sup.3 is a hydrogen atom, the cyanomethyl group, --(CH.sub.2).sub.n --, CH.sub.2 Z, --CH.dbd.CH--(CH.sub.2).sub.m Z or --C.dbd.CC--Y wherein n=0 to 5 and m=1 to 4, Z meaning a hydrogen atom or the OR.sup.4 group with R.sup.4 meaning a hydrogen atom, an alkyl or alkanoyl group each of 1-4 carbon atoms, and Y meaning a hydrogen, chlorine, fluorine, iodine or bromine atom, an alkyl, hydroxyalkyl, alkoxyalkyl or acyloxyalkyl group each of 1-4 carbon atoms in the alkyl or acyl residue, possess antiprogestational activity, e.g., for treating hormonal dependent tumors, and also antiglucocorticoidal activity.
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: February 18, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David Henderson
  • Patent number: 5089635
    Abstract: 13-alkyl-11.beta.-phenyl-gonanes of general formula I ##STR1## wherein A and B together stand for an oxygen atom, a CH.sub.2 group or a second bond between carbon atoms 9 and 10,X is an oxygen atom or the hydroxyimino grouping N.about.OH,R.sub.1 is a straight-chained or branched, saturated or unsaturated alkyl radical with up to 8 carbon atoms, which contains the grouping ##STR2## with X as described above, R.sub.2 is a methyl or ethyl radical in the .alpha. or .beta. position,R.sub.9, R.sub.10, R.sub.11 and R.sub.12 each stand for a hydrogen atom, a hydroxy, alkyl, alkoxy or acyloxy group with 1 to 4 carbon atoms respectively or a halogen atom and R.sub.3 and R.sub.4 have a variety of meanings, have antigestagenic and antiglucocorticoid effects.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: February 18, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Sybille Beier, Walter Elger, David Henderson, Eckard Otto, Ralph Rohde
  • Patent number: 5010077
    Abstract: A .beta.-carbolin-3-carboxylic acid derivative of the formula ##STR1## wherein: X is oxygen, sulphur or NR.sup.10, wherein R.sup.10 is hydrogen, C.sub.1-6 -alkyl, C.sub.1-6 -alkenyl, C.sub.3-7 -cycloalkyl or C.sub.3-7 -cycloalkenyl;R.sup.3 is (a) C.sub.1-10 -alkoxy, C.sub.1-10 -alkenyloxy, C.sub.6-10 -aryloxy, C.sub.7-11 -aralkoxy or C.sub.8-12 -aralkenyloxy, each optionally substituted with one or more hydroxy groups, halogen atoms, CF.sub.3 groups, C.sub.1-10 -alkoxy groups or C.sub.2-4 -alkenyloxy groups or each optionally substituted with an amino, di-C.sub.1-6 -alkylamino, C.sub.1-10 -alkoxycarbonyl or C.sub.1-10 -alkenyloxycarbonyl group; or (b) NR.sup.11 R.sup.12, wherein R.sup.11 and R.sup.12 are the same or different and each is (i) hydrogen, (ii) hydroxy, (iii) C.sub.1-10 -alkyl, (iv) C.sub.2-10 -alkenyl, (v) C.sub.6-10 -aryl, (vi) C.sub.7-11 -aralkyl, (vii) C.sub.8-12 -aralkenyl, (viii) C.sub.3-7 -cycloalkyl, or (ix) C.sub.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: April 23, 1991
    Assignees: A/S Ferrosan, Schering Aktiengesellschaft
    Inventors: Claus T. Braestrup, Mogens C. Nielsen, Joergen A. Christensen, Mogens Engelstoft, Henning Schou, Ulrich Eder, Gunter Neef, Andreas Huth, Dieter Rahtz, Ralph Schmiechen
  • Patent number: 4814327
    Abstract: 11 .beta.-(4-isopropenylphenyl)-estra-4,9-dienes of general Formula I ##STR1## wherein X is an oxygen atom or a hydroxyimino grouping N OH,R.sup.1 is a hydrogen atom or a methyl group,R.sup.2 is a hydrogen atom or an acyl residue of 1-10 carbon atoms,R.sup.3 is a hydrogen atom, the cyanomethyl group, --(CH.sub.2).sub.n --, CH.sub.2 Z, --CH.dbd.CH--(CH.sub.2).sub.m Z or --C.tbd.C--Y wherein n=0 to 5 and m=1 to 4, Z meaning a hydrogen atom or the OR.sup.4 group with R.sup.4 meaning a hydrogen atom, an alkyl or alkanoyl group each of 1-4 carbon atoms, and Y meaning a hydrogen, chlorine, fluorine, iodine or bromine atom, an alkyl, hydroxyalkyl, alkoxyalkyl or acyloxyalkyl group each of 1-4 carbon atoms in the alkyl or acyl residue, possess antiprogestational activity.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: March 21, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David Henderson
  • Patent number: 4780461
    Abstract: 13.alpha.-alkylgonanes of formula I ##STR1## where R is an acyl radical with as many as 10 C-atoms, andX is an oxygen atom or the grouping N--OH,have a strong antigestagenic effect and can be used for postcoital fertility control.
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: October 25, 1988
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Rudolf Wiechert, Sybille Beier, Walter Elger, David Henderson
  • Patent number: 4609651
    Abstract: 11.beta.-Arylestradienes of general Formula I are disclosed ##STR1## wherein R.sup.2 is a hydrogen atom, a methyl group, or an ethyl group,R.sup.3 is a hydrogen atom or an acyl group,R.sup.1 and A-B have various meanings,which possess antigestagen and antimineralocorticoid activity.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: September 2, 1986
    Assignee: Schering Aktiengesellschaft
    Inventors: Ralph Rohde, Klaus Annen, Gunter Neef, Rudolf Wiechert, Sybille Beier, Walter Elger, David Henderson
  • Patent number: 4603013
    Abstract: Estrane derivatives of the general formula I ##STR1## wherein one of the substituents X or Z signifies a hydrogen atom and the other together with Y represents a carbon-carbon bond, or wherein the substituents X and Z represent hydrogen atoms and Y represents an .alpha.-position hydroxy group or a .beta.-position alkyl group with up to 6 carbon atoms, are valuable intermediates for preparation of pharmacologically effective substances.
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: July 29, 1986
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Karl Petzoldt, Gerhard Sauer, Helmut Hofmeister
  • Patent number: 4435403
    Abstract: 3-substituted beta-carbolines of the formula ##STR1## wherein R.sup.C is hydrogen, lower alkyl, alkoxyalkyl of up to 6 C-atoms, cycloalkyl of 3-6 C-atoms, aralkyl of up to 8 C-atoms, or (CH.sub.2).sub.n OR.sup.20wherein R.sup.20 is alkyl of up to 6 C-atoms, cycloalkyl of 3-6 C-atoms or aralkyl of up to 8 C-atoms and n is an integer of 1 to 3;Y is oxygen, two hydrogen atoms or NOR.sup.1,wherein R.sup.1 is hydrogen, lower alkyl, aryl or aralkyl of up to 6 C-atoms, COR.sup.2, wherein R.sup.2 is lower alkyl of up to 6 C-atoms,or Y is CHCOOR.sup.3, wherein R.sup.3 is hydrogen or lower alkylor Y is NNR.sup.4 R.sup.5,wherein R.sup.4 and R.sup.5 can be the same or different and each is hydrogen, lower alkyl, C.sub.6-10 -aryl, C.sub.7-10 -aralkyl or CONR.sup.6 R.sup.7,wherein R.sup.6 and R.sup.7 can be the same or different and each is hydrogen or lower alkyl or R.sup.4 and R.sup.
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: March 6, 1984
    Assignee: Schering Aktiengesellschaft
    Inventors: Claus T. Braestrup, Jogen A. Christensen, Mogens Engelstoft, Gunter Neef, Ulrich Eder, Ralph Schmiechen, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, Wolfgang Kehr, Dieter Palenschat
  • Patent number: 4371536
    Abstract: A .beta.-carbolin-3-carboxylic acid derivative of the formula ##STR1## has valuable pharmacological properties when administered to patients, e.g. humans as a drug, have been shown to possess interesting tranquilizing activity.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: February 1, 1983
    Assignees: A/S Ferrosan, Scherling AG
    Inventors: Claus T. Braestrup, Mogens C. Nielsen, Joergen A. Christensen, Mogens Engelstoft, Henning Schou, Ulrich Eder, Gunter Neef, Andreas Huth, Dieter Rahtz, Ralph Schmiechen
  • Patent number: 4333928
    Abstract: 16 .alpha.-Alkyl steroids of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl,R.sub.2 is hydrogen, alkyl, acyl, or glycosylR.sub.3 is hydrogen or a substituted or unsubstituted, saturated or unsaturated lower hydrocarbon residue, andR.sub.4 is methyl, ethyl or propyl, exhibit strong progestational activity and a very low androgenic activity.
    Type: Grant
    Filed: May 16, 1980
    Date of Patent: June 8, 1982
    Assignee: Schering, Aktiengesellschaft
    Inventors: Gunter Neef, Ulrich Eder, Gregor Haffer, Gerhard Sauer, Rudolf Wiechert, Hermann Steinbeck
  • Patent number: 4298538
    Abstract: 16-dimethylaminomethylene-3-methoxy-1,3,5(10)-estratrien-17-one is a valuable new preparative intermediate which may be used, e.g., to prepare 17.beta.-hydroxy-16.beta.-ethyl-4-estren-3-one or 16.beta.-ethylestradiol.
    Type: Grant
    Filed: December 18, 1979
    Date of Patent: November 3, 1981
    Assignee: Schering, Aktiengesellschaft
    Inventors: Gunter Neef, Ulrich Eder, Gregor Haffer, Gerhard Sauer
  • Patent number: 4178381
    Abstract: C-homoestratrienes of the formula ##STR1## wherein ##STR2## R.sub.1 and R.sub.2 are the same or different, and each is hydrogen, acyl, alkyl, cycloalkyl or tetrahydropyranyl; andR.sub.3 is hydrogen, ethynyl or chloroethynyl; possess very good estrogenic properties.
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: December 11, 1979
    Assignee: Schering, Aktiengesellschaft
    Inventors: Gregor Haffer, Ulrich Eder, Gerhard Sauer, Rudolf Wiechert, Yukishige Nishino, Gunter Neef
  • Patent number: 4170518
    Abstract: Sterol derivatives of the formula ##STR1## wherein R.sub.1 is a hydrogen atom and R.sub.2 is lower alkoxy, or R.sub.1 and R.sub.2 collectively are lower alkylenedioxy and R.sub.3 is a sterol hydrocarbon side chain are converted to the corresponding androsten-17-ones by the oxidative degradation activity of a species of microorganism which degrades sterol side chains, preferably of the genus Mycobacterium. The ether group of those compounds wherein R.sub.1 is a hydrogen atom and R.sub.2 is lower alkoxy, and the corresponding 17.beta.-hydroxy and 17.alpha.-hydrocarbon-17.beta.-hydroxy compounds is cleaved by reaction with an alkanoic acid chloride or anhydride in the presence of a Lewis acid.
    Type: Grant
    Filed: July 30, 1976
    Date of Patent: October 9, 1979
    Assignee: Schering Aktiengesellschaft
    Inventors: Alfred Weber, Mario Kennecke, Alfred Popper, Rudolf Muller, Ulrich Eder, Gregor Haffer, Gerhard Sauer, Gunter Neef, Rudolf Wiechert
  • Patent number: 4155923
    Abstract: A process for the preparation of 17.beta.-hydroxy-20-alkoxypregnane-21-oic acid derivatives of the formula ##STR1## WHEREIN R.sub.1 is methyl or ethyl;R.sub.2 is hydrogen or methyl, either being in the .alpha.-or .beta.-position;R.sub.3 is lower alkyl of 1-4 carbon atoms;R.sub.4 is alkyl of 1-8 carbon atoms or benzyl; andSt is the residue of a steroid ABC ring system;Comprises reacting (a) a 17-oxo compound of the formula ##STR2## WHEREIN R.sub.1 and R.sub.2 are as defined above andSt* is said steroid ABC ring system residue, St, in a form which is chemically compatible with said reaction;With (b) an enolate ion of an alkoxyacetic acid alkyl ester of the formula ##STR3## wherein R.sub.3 and R.sub.4 are as defined above.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: May 22, 1979
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Gregor Haffer, Ulrich Eder, Gerhard Sauer, Rudolf Wiechert