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).
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Patent number: 5292728Abstract: 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: GrantFiled: December 4, 1992Date of Patent: March 8, 1994Assignee: Schering AktiengesellschaftInventors: Gunter Neef, Gerald Kirsch, Andreas Steinmeyer, Katica Schwarz, Matthias Brautigam, R. Thieroff-Ekerdt, Petra Rach
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Patent number: 5244886Abstract: 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: GrantFiled: March 20, 1991Date of Patent: September 14, 1993Assignee: Schering AktiengesellschaftInventors: Stefan Scholz, Gunter Neef, Eckhard Ottow, Walter Elger, Sybille Beier, Krzysztof Chwalisz
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Patent number: 5232915Abstract: 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: GrantFiled: January 14, 1992Date of Patent: August 3, 1993Assignee: Schering AktiengesellschaftInventors: Eckhard Ottow, Gunter Neef, Rudolf Wiechert, Walter Elger, Sybille Beier, Karl-Heinrich Fritzemeier
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Patent number: 5134136Type: GrantFiled: May 13, 1991Date of Patent: July 28, 1992Assignee: Schering AktiengesellschaftInventors: Gerald Kirsch, Henry Laurent, Rudolf Wiechert, Sybille Beier, Walter Elger, James R. Bull, Gunter Neef
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Patent number: 5095129Abstract: 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: GrantFiled: December 9, 1988Date of Patent: March 10, 1992Assignee: Schering AktiengesellschaftInventors: Eckhard Ottow, Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David A. Henderson
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Patent number: 5093507Abstract: 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: GrantFiled: June 16, 1989Date of Patent: March 3, 1992Assignee: Schering AktiengesellschaftInventors: Cornelius Scheidges, Eckhard Ottow, Gunter Neef, Sybille Beier, Walter Elger
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Patent number: 5089488Abstract: 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: GrantFiled: October 11, 1990Date of Patent: February 18, 1992Assignee: Schering AktiengesellschaftInventors: Eckhard Ottow, Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David Henderson
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Patent number: 5089635Abstract: 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: GrantFiled: February 7, 1986Date of Patent: February 18, 1992Assignee: Schering AktiengesellschaftInventors: Gunter Neef, Sybille Beier, Walter Elger, David Henderson, Eckard Otto, Ralph Rohde
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Patent number: 5010077Abstract: 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: GrantFiled: April 25, 1988Date of Patent: April 23, 1991Assignees: A/S Ferrosan, Schering AktiengesellschaftInventors: Claus T. Braestrup, Mogens C. Nielsen, Joergen A. Christensen, Mogens Engelstoft, Henning Schou, Ulrich Eder, Gunter Neef, Andreas Huth, Dieter Rahtz, Ralph Schmiechen
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Patent number: 4814327Abstract: 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: GrantFiled: July 24, 1987Date of Patent: March 21, 1989Assignee: Schering AktiengesellschaftInventors: Eckhard Ottow, Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David Henderson
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Patent number: 4780461Abstract: 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: GrantFiled: December 18, 1985Date of Patent: October 25, 1988Assignee: Schering AktiengesellschaftInventors: Gunter Neef, Rudolf Wiechert, Sybille Beier, Walter Elger, David Henderson
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Patent number: 4609651Abstract: 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: GrantFiled: December 21, 1984Date of Patent: September 2, 1986Assignee: Schering AktiengesellschaftInventors: Ralph Rohde, Klaus Annen, Gunter Neef, Rudolf Wiechert, Sybille Beier, Walter Elger, David Henderson
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Patent number: 4603013Abstract: 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: GrantFiled: August 27, 1984Date of Patent: July 29, 1986Assignee: Schering AktiengesellschaftInventors: Gunter Neef, Karl Petzoldt, Gerhard Sauer, Helmut Hofmeister
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Patent number: 4435403Abstract: 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: GrantFiled: December 17, 1981Date of Patent: March 6, 1984Assignee: Schering AktiengesellschaftInventors: Claus T. Braestrup, Jogen A. Christensen, Mogens Engelstoft, Gunter Neef, Ulrich Eder, Ralph Schmiechen, Andreas Huth, Dieter Rahtz, Dieter Seidelmann, Wolfgang Kehr, Dieter Palenschat
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Patent number: 4371536Abstract: 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: GrantFiled: August 28, 1980Date of Patent: February 1, 1983Assignees: A/S Ferrosan, Scherling AGInventors: Claus T. Braestrup, Mogens C. Nielsen, Joergen A. Christensen, Mogens Engelstoft, Henning Schou, Ulrich Eder, Gunter Neef, Andreas Huth, Dieter Rahtz, Ralph Schmiechen
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Patent number: 4333928Abstract: 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: GrantFiled: May 16, 1980Date of Patent: June 8, 1982Assignee: Schering, AktiengesellschaftInventors: Gunter Neef, Ulrich Eder, Gregor Haffer, Gerhard Sauer, Rudolf Wiechert, Hermann Steinbeck
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Patent number: 4298538Abstract: 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: GrantFiled: December 18, 1979Date of Patent: November 3, 1981Assignee: Schering, AktiengesellschaftInventors: Gunter Neef, Ulrich Eder, Gregor Haffer, Gerhard Sauer
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Patent number: 4178381Abstract: 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: GrantFiled: December 4, 1978Date of Patent: December 11, 1979Assignee: Schering, AktiengesellschaftInventors: Gregor Haffer, Ulrich Eder, Gerhard Sauer, Rudolf Wiechert, Yukishige Nishino, Gunter Neef
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Patent number: 4170518Abstract: 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: GrantFiled: July 30, 1976Date of Patent: October 9, 1979Assignee: Schering AktiengesellschaftInventors: Alfred Weber, Mario Kennecke, Alfred Popper, Rudolf Muller, Ulrich Eder, Gregor Haffer, Gerhard Sauer, Gunter Neef, Rudolf Wiechert
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Patent number: 4155923Abstract: 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: GrantFiled: January 30, 1978Date of Patent: May 22, 1979Assignee: Schering AktiengesellschaftInventors: Gunter Neef, Gregor Haffer, Ulrich Eder, Gerhard Sauer, Rudolf Wiechert