The Hetero Ring Is Bonded Directly To A -c(=x)- Group, Wherein X Is Chalcogen Patents (Class 540/110)
  • Publication number: 20150018322
    Abstract: Various prodrug compounds having the general structure: Active agent-(acid)-(linker)-SO2NR1R2 are described herein. Compounds having this general structure were shown to be more orally active than the unmodified parent molecule.
    Type: Application
    Filed: July 11, 2014
    Publication date: January 15, 2015
    Inventors: Klaus Nickisch, Bindu Santhamma, Gulzar Ahmed, Frederick Meece, Walter Elger, Ralf Wyrwa, Hareesh Nair
  • Publication number: 20140256612
    Abstract: The present invention describes novel single drug entities, formed by direct linkage of an antibiotic to a steroidal drug. Upon topical application to the eye, the conjugate would undergo enzymatic and/or hydrolytic cleavage to release the individual drugs. The antibiotic is coupled directly to the steroid drug.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 11, 2014
    Applicant: Allergan, Inc.
    Inventors: Santosh C. Sinha, Ken Chow, LIMING WANG, MICHAEL E. GARST, MAYSSA ATTAR, BRANDON D. SWIFT
  • Publication number: 20140256660
    Abstract: The present invention describes novel single drug entities, formed by the linkage of an antibiotic with a steroidal drug via a linker. Upon topical application to the eye, the conjugate would undergo enzymatic and/or hydrolytic cleavage to release the individual drugs.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 11, 2014
    Applicant: Allergan, Inc.
    Inventors: Santosh C. Sinha, Smita S. Bhat, Ken Chow, LIMING WANG, MICHAEL E. GARST, MAYSSA ATTAR, BRANDON D. SWIFT
  • Publication number: 20140256694
    Abstract: The present invention describes steroid antibiotic conjugates. These single drug entities are formed connecting a steroid moiety and two same antibiotics moieties, or a steroid moiety and two different antibiotics moieties. Upon topical application to the eye, the conjugate hybrid would undergo enzymatic and/or hydrolytic cleavage to release the individual drugs.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 11, 2014
    Applicant: Allergan, Inc.
    Inventors: Santosh C. Sinha, Ken Chow, LIMING WANG, MICHAEL E. GARST, MAYSSA ATTAR, BRANDON D. SWIFT
  • Publication number: 20130316995
    Abstract: The invention relates to fatty acid statin conjugates and fatty acid FXR agonist conjugates; compositions comprising an effective amount of a fatty acid statin conjugate or a fatty acid FXR agonist conjugate; and methods for treating or preventing a metabolic disease comprising the administration of an effective amount of a fatty acid statin conjugate or a fatty acid FXR agonist conjugate.
    Type: Application
    Filed: May 1, 2013
    Publication date: November 28, 2013
    Applicant: Catabasis Pharmaceuticals, Inc.
    Inventor: Catabasis Pharmaceuticals, Inc.
  • Patent number: 8119619
    Abstract: Steroid compounds possessing a hydrogen donor in 3beta position, either in the form of a hydroxy- or a sulfate group, function as efficient blockers of the 3alpha-hydroxy-pregnan-steroid action and thus have utility as therapeutic substances for the prevention and/or treatment of steroid related CNS disorders. Treatment methods based on the administration of these substances are disclosed, and these substances either alone or in combination are also suggested for the manufacture of pharmaceuticals for the treatment of many specific steroid induced CNS disorders.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: February 21, 2012
    Assignee: Umecrine AB
    Inventors: Torbjörn Bäckström, Per Lundgren, Ming-De Wang, Inga-Maj Johansson
  • Patent number: 7960367
    Abstract: Steroid compounds processing a hydrogen donor in 3beta position, either in the form of a hydroxy- or a sulfate group, function as efficient blockers of the 3alpha-hydroxy-pregnan-steroid action and thus have utility as therapeutic substances for the prevention and/or treatment of steroid related CNS disorders. Treatment methods based on the administration of these substances are disclosed, and these substances either alone or in combination are also suggested for the manufacture of pharmaceuticals for the treatment of many specific steroid induced CNS disorders.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: June 14, 2011
    Assignee: Umecrine AB
    Inventors: Torbjorn Backstrom, Per Lundgren, Ming-De Wang, Inga-Maj Johansson
  • Patent number: 7888340
    Abstract: Steroid compounds processing a hydrogen donor in 3beta position, either in the form of a hydroxy- or a sulfate group, function as efficient blockers of the 3alpha-hydroxy-pregnan-steroid action and thus have utility as therapeutic substances for the prevention and/or treatment of steroid related CNS disorders. Treatment methods based on the administration of these substances are disclosed, and these substances either alone or in combination are also suggested for the manufacture of pharmaceuticals for the treatment of many specific steroid induced CNS disorders.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: February 15, 2011
    Assignee: Umecrine AB
    Inventors: Torbjorn Backstrom, Per Lundgren, Ming-De Wang, Inga-Maj Johansson
  • Publication number: 20090163705
    Abstract: Cyclic lipid moieties are described herein.
    Type: Application
    Filed: May 20, 2008
    Publication date: June 25, 2009
    Applicant: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Muthiah Manoharan, Kallanthottahil G. Rajeev, Muthusamy Jayraman, K. Narayanannair Jayaprakash
  • Patent number: 6953785
    Abstract: Provided is steroid sulfatase inhibitors comprising, as the active ingredient, an estra-1,3,5(10)-triene derivative which is represented by formula (I): {wherein R1 and R2 are the same or different and represent a hydrogen atom, a lower alkyl group or, etc.; R3 represents a hydrogen atom etc.; R4 represents a hydrogen atom etc.; R5 represents a hydrogen atom etc.; R6 represents a cyano group, an amino group, COR53 (wherein R53 represents a substituted lower alkyl group etc.), a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, etc}, or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: October 11, 2005
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Yoji Ino, Nobuyoshi Amishiro, Mayumi Miyata, Tsutomu Agatsuma, Kozue Muramatsu, Takeshi Takahashi, Shiro Akinaga, Chikara Murakata
  • Patent number: 6921757
    Abstract: Compounds of formula (I), where R is a monovalent cyclic organic group having from 3 to 15 atoms in the ring system, useful as pharmaceuticals
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: July 26, 2005
    Assignee: Novartis AG
    Inventors: Bernard Cuenoud, David Beattie, Thomas Hugo Keller, Gaynor Elizabeth Pilgrim, David Andrew Sandham, Simon James Watson
  • Patent number: 6900192
    Abstract: This invention is directed to compounds that provide for sustained systemic concentrations of therapeutic or prophylactic agents following administration to animals. This invention is also directed to pharmaceutical compositions including and methods using such compounds.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: May 31, 2005
    Assignee: XenoPort, Inc.
    Inventors: Kenneth C. Cundy, Mark A. Gallop, Cindy X. Zhou
  • Patent number: 6537983
    Abstract: According to one aspect of the invention, there is provided a pharmaceutical formulation for administration by inhalation comprising a compound of formula (I), wherein R1 represents C1-6 alkyl or C1-6 haloalkyl; R2 represents —C(═O)-aryl or —C(═O)-heteroaryl; R3 represents hydrogen, methyl (which may be in either the &agr; or &bgr; configuration) or methylene; R4 and R5 are the same or different and each represents hydrogen or halogen; and {overscore (-----)} represents a single or a double bond; and salts and solvates thereof together with a long-acting &bgr;2-adrenoreceptor agonist which formulation has a therapeutically useful effect in the treatment of inflammatory disorders of the respiratory tract over a period of 24 hours or more.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: March 25, 2003
    Assignee: SmithKline Beecham Corporation
    Inventors: Keith Biggadike, Paul Spencer Jones, Jeremy John Payne
  • Publication number: 20020187971
    Abstract: The present invention provides hybrid molecules and methods of synthesizing such hybrid molecules from a cholinergic agent and a bile acid. The hybrid molecules function as cholinergic agents and may be either cholinergic agonists or cholinergic antagonists. Further disclosed herein are compositions comprising hybrid cholinergic agents and methods of making such compositions. Methods of treating a patient having a cholinergic disorder are also disclosed.
    Type: Application
    Filed: May 1, 2001
    Publication date: December 12, 2002
    Inventors: Jean-Pierre Raufman, Piotr Zimniak, Kunrong Cheng
  • Patent number: 6143736
    Abstract: Methods, compositions, and compounds for modulating the GABA.sub.A receptor-chloride ionophore complex to alleviate stress, anxiety, seizures, mood disorders, PMS and PND and to induce anesthesia.
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: November 7, 2000
    Assignee: CoCensys, Inc.
    Inventors: Ravindra B. Upasani, Haiji Xia, Derk Hogenkamp
  • Patent number: 5939545
    Abstract: Methods, compositions, and compounds for modulating the GABA.sub.A receptor-chloride ionophore complex to alleviate stress, anxiety, seizures, mood disorders, PMS and PND and to induce anesthesia.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: August 17, 1999
    Assignee: CoCensys, Inc.
    Inventors: Ravindra B. Upasani, Haiji Xia, Derk Hogenkamp
  • Patent number: 5760025
    Abstract: Compounds of formula (I): ##STR1## ?wherein: R.sup.1 is hydrogen, alkyl, aryl-substituted alkyl or aromatic heterocyclic-substituted alkyl; R.sup.2 is: aryl-substituted alkyl, aromatic heterocyclic-substituted alkyl or diarylamino; and R.sup.3 is carboxy or a group of formula --CONHSO.sub.2 R.sup.4 wherein R.sup.4 is alkyl!; and pharmaceutically acceptable salts and esters thereof have valuable 5.alpha.-reductase inhibitory activity and can thus be used for the treatment and prophylaxis of, inter alia, prostatic hypertrophy as well as other disorders arising from excess levels of 5.alpha.-dihydrotestosterone.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: June 2, 1998
    Assignee: Sankyo Company, Limited
    Inventors: Koichi Kojima, Hitoshi Kurata, Koki Ishibashi, Hiroyoshi Horikoshi, Takakazu Hamada
  • Patent number: 5683995
    Abstract: Invented are 17.alpha. and 17.beta.-substituted acyl-3-carboxy-3,5-diene analogues of steroidal synthetic compounds, pharmaceutical compositions containing these compounds, and methods for using these compounds to inhibit steroid 5-.alpha.-reductase. Also invented are intermediates and processes used in preparing these compounds.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: November 4, 1997
    Assignee: SmithKline Beecham Corporation
    Inventors: Dennis Alan Holt, Mark Alan Levy
  • Patent number: 5639744
    Abstract: An amide of formula ##STR1## and its pharmacologically acceptable organic or inorganic salt shows a metabolic stability, both enteric and hepatic, greater than that of the corresponding bile acids conjugated with glycine or taurine physiologically present in the enterohepatic circulation. The pharmacological activity of the compounds of formula I or their pharmacologically acceptable organic or inorganic salt makes the use effective for the therapy of biliary calculosis from cholesterol and in every pathology caused by cholestasis like chronic hepatitis from cholestasis, primitive biliary cirrhosis and juvenile hepatopathy associated with cystic fibrosis.
    Type: Grant
    Filed: April 4, 1995
    Date of Patent: June 17, 1997
    Assignee: Alfa Wassermann S.p.A.
    Inventors: Egidio Marchi, Maria Rita Milani, Silvano Piani, Aldo Roda, Gianfranco Cainelli
  • Patent number: 5618806
    Abstract: Invented are 17.alpha. and 17.beta.-substituted acyl-3-carboxy aromatic A ring analogues of steroidal synthetic compounds. Representative of such compounds include the following ##STR1## wherein Z is .alpha. or .beta. ##STR2## in which A is absent or present as a linear or branched, saturated or unsaturated hydrocarbon chain containing from 1-6 carbon atoms and R isa) a linear or branched, saturated or unsaturated hydrocarbon chain containing 1-12 carbon atoms substituted with one or more substituents selected from the group consisting of: --OC.sub.6 -C.sub.12 aryl, --OC.sub.1 -C.sub.4 alkyl, halogen, carboxy and --S(O).sub.n .sup.R.sup.7, where n is 0-2 and R.sup.7 is hydrogen or C.sub.1-4 alkyl;b) C.sub.3 -C.sub.8 nonaromatic, unsaturated or saturated, cycloalkyl, optionally substituted with one or more substituents selected from the group consisting of:--OC.sub.6 -C.sub.12 aryl, --(CH.sub.2).sub.m OH, --OC.sub.1 -C.sub.4 alkyl, C.sub.6 -C.sub.12 aryl, C.sub.1 -C.sub.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: April 8, 1997
    Assignee: SmithKline Beecham Corporation
    Inventors: Dennis A. Holt, Mark A. Levy
  • Patent number: 5616573
    Abstract: Glucocorticoids of general formula IR--Val--O--GC (II),are described,in whichO-GC is the radical of a 21-hydroxycorticoid that has an antiinflammatory action,Val represents a valine radical in the 21-position of the corticoid andR means a hydrogen atom or a hydrocarbon radical with up to 32 carbon atoms that is optionally substituted by hydroxy groups, amino groups, oxo groups and/or halogen atoms and/or interrupted by oxygen atoms, SO.sub.2 groups and/or NH groups and their salts.
    Type: Grant
    Filed: October 6, 1995
    Date of Patent: April 1, 1997
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans J. Zentel, Michael Topert, Henry Laurent, Thomas Brumby, Peter Esperling
  • Patent number: 5599807
    Abstract: This invention provides a novel steroid derivative having the structure of an ester between the carboxyl group of a quinolonecarboxylic acid and the alcoholic hydroxyl group in 21-position of asteroid compound, which has the following formula (I) (wherein R is a hydrogen atom, a methyl group or a hydroxyl group) or a pharmacologically acceptable salt thereof. ##STR1## The compound of this invention has high antibacterial activity and antiinflammatory activity.
    Type: Grant
    Filed: December 16, 1994
    Date of Patent: February 4, 1997
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Kazumi Ogata, Takahiro Sakaue, Yuuichi Isowaki, Hidetoshi Nakao, Kazuhiko Ito
  • Patent number: 5591733
    Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, insomnia and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-aminobutyric acid receptor-chloride ionophore (GR) complex.
    Type: Grant
    Filed: August 2, 1993
    Date of Patent: January 7, 1997
    Assignee: University of Southern California
    Inventors: Michael B. Bolger, Kelvin W. Gee, Nancy C. Lan, Robert H. Purdy, Seid Mirsadeghi, Syed Hasan Tahir, Delia Belelli
  • Patent number: 5583127
    Abstract: Disclosed are 17-iminomethylalkenyl and 17-iminoalkyl-14.beta.-hydroxy-5.beta.-androstane derivatives of the formula (I): ##STR1## wherein the symbol means .alpha. or .beta. configuration or a Z or E configuration; A represents (CH.sub.2).sub.m or --(CH.dbd.CH).sub.n --; m represents an integer number from 1 to 6; n represents an integer number from 1 to 3; R.sup.2 represents hydrogen or hydroxy; R.sup.1 represents hydrogen, C.sub.2 -C.sub.4 alkyl unsubstituted or substituted by NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5, which may be the same or different, represent hydrogen, C.sub.1 -C.sub.4 alkyl or R.sup.4 and R.sup.5 may form, when taken together with the nitrogen atom, a five- or six- membered heterocyclic ring optionally containing one or more heteroatoms selected from oxygen and nitrogen; R.sup.3 represents NHC(.dbd.X)NR.sup.6 R.sup.7 or OR.sup.8 wherein R.sup.6 and R.sup.7, which may be the same or different, represent hydrogen, methyl, or C.sub.2 -C.sub.4 alkyl unsubstituted or substituted by NR.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: December 10, 1996
    Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.
    Inventors: Alberto Cerri, Giuseppe Bianchi, Patrizia Ferrari, Elena Folpini, Piero Melloni
  • Patent number: 5389623
    Abstract: Compounds of the formula ##STR1## and the nontoxic pharmaceutically acceptable salt thereof, wherein D is the residue of a centrally acting drug containing at least one reactive functional group selected from the group consisting of amino, hydroxyl, mercapto, carboxyl, amide and imide, said residue being characterized by the absence of a hydrogen atom from at least one of said reactive functional groups in said drug; n is a positive integer equal to the number of said functional groups from which a hydrogen atom is absent; and [DHC] is the reduced, biooxidizable, blood-brain barrier penetrating lipoidal form of a dihydropyridine.revreaction.pyridinium salt redox carrier, said carrier comprising a bivalent radical of the formula ##STR2## wherein the alkylene group can be straight or branched and can contain 1 to 3 carbon atoms; R.sub.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: February 14, 1995
    Assignee: University Of Florida
    Inventor: Nicholas S. Bodor
  • Patent number: 5382661
    Abstract: Disclosed are amino substituted steroids (XI) which contain a pyrazinylpiperazinyl group attached to the terminal carbon atom of the C.sub.17 -side chain which are useful as pharmaceutical agents for treating a number of conditions.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: January 17, 1995
    Assignee: The Upjohn Company
    Inventor: John M. McCall
  • Patent number: 5380841
    Abstract: Disclosed are amino substituted steroids (XI) which contain a pyridinylpiperazinyl group group attached to the terminal carbon atom of the C.sub.17 -side chain of the steroid which are useful as pharmaceutical agents for treating a number of conditions.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: January 10, 1995
    Assignee: The Upjohn Company
    Inventors: John M. McCall, Donald E. Ayer, E. Jon Jacobsen, Frederick J. VanDoornik, John R. Palmer, Harold A. Karnes
  • Patent number: 5232917
    Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, insomnia and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-aminobutyric acid receptor-chloride ionophore (GR) complex.
    Type: Grant
    Filed: August 13, 1991
    Date of Patent: August 3, 1993
    Assignee: University of Southern California
    Inventors: Michael Bolger, Kelvin W. Gee, Nancy C. Lan, Delia Belelli, Seid Mirsadeghi, Robert Purdy
  • Patent number: 5212166
    Abstract: The present invention concerns steroidic 5.alpha.-reductase inhibitors having the following formula (I) ##STR1## wherein Y is oxygen or sulphur;R is a group;a) --OR.sub.4, wherein R.sub.4 is hydrogen or a C.sub.1 -C.sub.6 alkyl group;b) ##STR2## wherein each of R.sub.5 and R.sub.6, independently, is hydrogen or a C.sub.1 -C.sub.6 alkyl group;c) ##STR3## wherein R.sub.7 is hydrogen or a C.sub.1 -C.sub.6 alkyl group and W is a group:(i) ##STR4## wherein R.sub.8 is a C.sub.1 -C.sub.6 alkyl group, a C.sub.5 -C.sub.6 cycloalky group, a C.sub.6 -C.sub.6 cycloalkylalkyl group, a phenyl group or a benzyl group; or(ii) ##STR5## wherein R.sub.9 is a C.sub.1 -C.sub.6 alkyl group or a C.sub.5 -C.sub.6 cycloalkyl group; or(iii) ##STR6## wherein R.sub.5 and R.sub.6 are as defined above; d) ##STR7## wherein each of R.sub.10 and R.sub.11 is, independently, hydrogen or a C.sub.1 -C.sub.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: May 18, 1993
    Assignee: Farmitalia Carlo Erba S.r.l.
    Inventors: Achille Panzeri, Marcella Nesi, Enrico Di Salle
  • Patent number: 5208227
    Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-ammobutyric acid/benzodiazepine receptor-chloride ionophore (GBR) complex.
    Type: Grant
    Filed: February 13, 1991
    Date of Patent: May 4, 1993
    Assignee: University of Southern California
    Inventors: Kelvin W. Gee, Michael B. Bolger, Roberta E. Brinton, Deborah J. Burke, Bruce S. McEwen
  • Patent number: 5175281
    Abstract: Disclosed are .DELTA..sup.9(11) -steroids (VI) and amino substituted steroids (XI) which contain an amino group attached to the terminal carbon atom of the C.sub.17 -side chain, more particularly amino steroids (Ia and Ib), aromatic steroids (II), .DELTA..sup.16 -steroids (IIIa and IIIb), reduced A-ring steroids (IV), .DELTA..sup.17(20) -steroids (Va and Vb) and .DELTA..sup.9(11) -steroids (VI) which are useful as pharmaceutical agents for treating a number of conditions.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: December 29, 1992
    Assignee: The Upjohn Company
    Inventors: John M. McCall, Donald E. Ayer, E. Jonathan Jacobsen, Frederick J. VanDoornik, John R. Palmer, Harold A. Karnes
  • Patent number: 5120723
    Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-ammobutyric acid/benzodiazepine receptor-chloride ionpore (GBR) complex.
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: June 9, 1992
    Assignee: University of Southern California
    Inventors: Kelvin W. Gee, Michael B. Bolger
  • Patent number: 5099019
    Abstract: Disclosed are .DELTA..sup.9(11) -steroids (VI) and amino substituted steroids (XI) which contain an amino group attached to the terminal carbon atom of the C.sub.17 -side chain, more particularly amino steroids (Ia and Ib), aromatic steroids (II), .DELTA..sup.16 -steroids (IIIa and IIIb), reduced A-ring steroids (IV), .DELTA..sup.17(20) -steroids (Va and Vb) and .DELTA..sup.9(11) -steroids (VI) which are useful as pharmaceutical agents for treating a number of conditions.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: March 24, 1992
    Assignee: Upjohn Company
    Inventors: John M. McCall, Donald E. Ayer, E. Jonathan Jacobsen, Frederick J. VanDoornik, John R. Palmer, Harold A. Karnes
  • Patent number: 5041433
    Abstract: Invented are carboxyl and carboxyl alkyl ester substituted 11-keto and hydroxy analogues of synthetic steroidal compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5-.alpha.-reductase.
    Type: Grant
    Filed: November 1, 1989
    Date of Patent: August 20, 1991
    Assignee: SmithKline Beecham Corporation
    Inventors: Dennis A. Holt, Brian W. Metcalf, Mark A. Levy
  • Patent number: 5032586
    Abstract: Invented are carboxyl and carboxyl alkyl ester substituted 7-keto and hydroxy analogues of synthetic steroidal compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5-.alpha.-reductase. Also invented are methods for preparing these compounds.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: July 16, 1991
    Assignee: SmithKline Beecham Corporation
    Inventors: Brian W. Metcalf, Dennis A. Holt, Mark A. Levy
  • Patent number: 4954446
    Abstract: Invented are substituted acrylate analogues of steroidal synthetic compounds, pharmaceutial compositions containing the compounds, and methods of using these compounds to inhibit steroid 5-.alpha.-reductase including using these compounds to reduce prostate size. Also invented are intermediates used in preparing these compounds.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: September 4, 1990
    Assignee: SmithKline Beecham Corporation
    Inventors: Dennis A. Holt, Mark A. Levy, Brian W. Metcalf
  • Patent number: 4950428
    Abstract: A novel process for the preparation of 20-keto-pregnanes.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: August 21, 1990
    Assignee: Roussel Uclaf
    Inventors: Michel Vivat, Jean Buendia
  • Patent number: 4927921
    Abstract: A compound of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl, R.sub.2 is methyl or ethyl, and A,B,C and D rings optionally containing at least one double bond and optionally substituted with at least one member of the group consisting of optionally protected --OH, .dbd.O, alkyl and alkoxy of 1 to 4 carbon atoms, halogen and alkenyl and alkynyl of 2 to 4 carbon atoms, R is selected from the group consisting of halogen, --OH, alkylthio and alkoxy of 1 to 6 carbon atoms, aralkoxy, arylthio and aralkylthio of 7 to 15 carbon atoms and ##STR2## R.sub.3 and R.sub.4 are individually hydrogen, or alkyl of 1 to 6 carbon atoms or aralkyl of 7 to 15 carbon atoms or taken together with the nitrogen form a heterocycle optionally containing another nitrogen or oxygen atom, excepting the product in which R is methoxy, R.sub.1 and R.sub.2 each represent methyl, A ring carries a 3.beta.-acetoxy function and B ring contains a double bond in 5(6) useful as intermediates for the preparation of 20-keto-pregnanes.
    Type: Grant
    Filed: December 4, 1987
    Date of Patent: May 22, 1990
    Assignee: Roussel Uclaf
    Inventors: Michel Vivat, Jean Buendia
  • Patent number: 4920216
    Abstract: This invention concerns a method of substituting a chlorine atom for a predetermined hydrogen atom located within an organic compound which comprises contacting the organic compound containing the predetermined hydrogen atom with an esterifying agent comprising a pyridine ring or a substituted or fused ring derivative of a pyridine ring so as to produce an ester and treating the ester with a chlorinating agent so as to substitute the chlorine atom for the predetermined hydrogen atom. The ester comprises the pyridine ring or the substituted or fused ring derivative of the pyridine ring so positioned within the ester with respect to the predetermined hydrogen atom that a chlorine atom attached to the nitrogen atom of the pyridine ring or substituted or fused ring derivative of the pyridine ring reacts with the predetermined hydrogen atom.
    Type: Grant
    Filed: May 28, 1987
    Date of Patent: April 24, 1990
    Assignee: The Trustees of Columbia in the City of New York
    Inventors: Ronald Breslow, Michael Brandl, Alan D. Adams, Jurgen Hunger
  • Patent number: 4880921
    Abstract: The subject compounds, which are adapted for the site-specific/sustained delivery of centrally acting drug species to the brain, are:(a) compounds of the formula[D--DHC] (I)wherein [D] is a centrally acting drug species, and [DHC] is the reduced, biooxidizable, blood-brain barrier penetrating lipoidal form of a dihydropyridine .revreaction. pyridinium salt redox carrier, with the proviso that when [DHC] is ##STR1## wherein R is lower alkyl or benzyl and [D] is a drug species containing a single NH.sub.2 or OH functional group, the single OH group when present being a primary or secondary OH group, said drug species being linked directly through said NH.sub.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: November 14, 1989
    Assignee: University of Florida
    Inventor: Nicholas S. Bodor
  • Patent number: 4847014
    Abstract: A compound of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl, R.sub.2 is methyl or ethyl, the A,B,C and D rings optionally have one or more double bonds and are optionally substituted with one or more members of the group consisting of halogen protected hydroxy, 1/8O, alkyl and alkoxy of 1 to 4 carbon atoms and alkenyl and alkynyl of 2 to 4 carbon atoms, R is selected from the group consisting of halogen, --OH, alkoxy of 1 to 6 carbon atoms, aralkoxy of 7 to 15 carbon atoms, alkylthio of 1 to 6 carbon atoms, arylthio of 6 to 14 carbon atoms, aralkylthio of 7 to 15 carbon atoms and ##STR2## wherein R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms and aralkyl of 7 to 15 carbon atoms or R.sub.3 and R.sub.4 together with the nitrogen atom form another heterocycle optionally containing a nitrogen atom or oxygen atom and their preparation and their use to form 20-keto-pregnanes.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: July 11, 1989
    Assignee: Roussel Uclaf
    Inventors: Michel Vivat, Jean Buendia
  • Patent number: 4612316
    Abstract: Compounds of the formula ##STR1## wherein C.sup.1 and N.sup.4 are in trans configuration to each other, wherein R and Y are defined herein below, as bases and pharmaceutically acceptable acid addition salts thereof, processes for their preparation and pharmaceutical preparations and methods of treatment employing such compounds. The compounds are useful for treatment of disorders in the central nervous system.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: September 16, 1986
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Bengt R. Andersson, Folke L. Arvidsson, Per A. E. Carlsson, John S. M. Hjort, Anette M. Johansson, Per L. Lindberg, John L. G. Nilsson, Domingo Sanchez, Kjell A. I. Svensson, Hakan V. Wikstrom
  • Patent number: RE35053
    Abstract: Disclosed are .DELTA..sup.9(11) -steroids (VI) and amino substituted steroids (XI) which contain an amino group attached to the terminal carbon atom of the C.sub.17 -side chain, more particularly amino steroids (Ia and Ib), aromatic steroids (II), .DELTA..sup.16 -steroids (IIIa and IIIb), reduced A-ring steroids (IV), .DELTA..sup.17(20) -steroids (Va and Vb) and .DELTA..sup.9(11) -steroids (VI) which are useful as pharmaceutical agents for treating a number of conditions.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: October 10, 1995
    Assignee: The Upjohn Company
    Inventors: John M. McCall, E. Jon Jacobsen
  • Patent number: RE35517
    Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-ammobutyric acid/benzodiazepine receptor-chloride ionpore (GBR) complex.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: May 20, 1997
    Assignee: University of Southern California
    Inventors: Kelvin W. Gee, Michael B. Bolger, Nancy C. Lan