Oxygen Bonded Directly At The 2- Or 4-position Patents (Class 552/614)
  • Patent number: 10265328
    Abstract: The present invention relates to novel uses of C-19 steroid compounds, in particular C-19 steroids having an androsten-17-(OR4)-3-one structure for prophylactic and/or therapeutic uses, wherein R4 is hydrogen or an unsubstituted or substituted alkyl, aryl, acyl or any group leading to hydroxyl upon biological metabolization or chemical deprotection.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: April 23, 2019
    Assignee: Procima GmbH
    Inventor: Martin Windisch
  • Patent number: 10202413
    Abstract: The present disclosure is generally directed to neuroactive enantiomeric 15-, 16- and 17-substituted steroids with additional optional substituents at carbons 3, 4, 6, 7, 10 and 13, and pharmaceutically acceptable salts thereof, for use as, for example, modulators for GABA type-A receptors. The present disclosure is further directed to pharmaceutical compositions comprising such compounds.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: February 12, 2019
    Assignee: Washington University
    Inventor: Douglas Covey
  • Patent number: 9428539
    Abstract: The present invention discloses compound 2?,3?,5?-trihydroxy-androst-6-one, having the structure of formula (I). The present invention also discloses a plurality of methods for preparing the compound and a use of the compound.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: August 30, 2016
    Assignee: Guangzhou Cellprotek Pharmaceutical Co., Ltd.
    Inventors: Jingxia Zhang, Suizhen Lin, Minyu Xie
  • Publication number: 20140249120
    Abstract: The present disclosure is generally directed to neuroactive 13,17-substituted steroids as referenced herein, and pharmaceutically acceptable salts thereof, for use as, for example, an anesthetic, and/or in the treatment of disorders relating to GABA function and activity. The present disclosure is further directed to pharmaceutical compositions comprising such compounds.
    Type: Application
    Filed: February 27, 2014
    Publication date: September 4, 2014
    Applicant: WASHINGTON UNIVERSITY
    Inventors: Douglas Covey, Xin Jiang
  • Patent number: 8492570
    Abstract: The invention relates to the use of 2-substituted estra-1,3,5(10)-triene-3-yl sulfamates of general formula I, in addition to their pharmaceutically acceptable salts for producing a medicament. Said compounds have an anti-tumour action.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: July 23, 2013
    Assignee: Sterix Limited
    Inventors: Alexander Hillisch, Olaf Peters, Christian Gege, Wilko Regenhardt, Dirk Kosemund, Gerhard Siemeister, Eberhard Unger, Ulrich Bothe
  • Patent number: 8273908
    Abstract: Process for the preparation of a compound of general formula (II) wherein R1 and R2 independently are hydrogen or a hydroxy- or hydrocarbyl group; or wherein R1 and R2 together are a double bonded oxygen; R3 is hydrogen; R?4 is a nitrobenzophenone group; and R5 and R6 independently are hydrogen or a hydroxy- or hydrocarbyl group; from a compound of general formula (I) wherein, R1, R2 R3, R5 and R6 are as defined above and R4 is hydrogen; wherein the compound of formula (I) is reacted under alkaline conditions with 2-chloro-5-nitrobenzophenone in the presence of an alkanolic solvent and the compound of formula (II) is directly crystallized from this alkanolic solvent. Complex of an alkanol and a compound of general formula (II) obtainable from the above process and processes wherein the above process or complex are used.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: September 25, 2012
    Assignee: MSD Oss B.V.
    Inventors: Lambertus Gerardus Maria Willems, Henricus Johannes Franciscus Maas, Martin Ostendorf
  • Publication number: 20110130581
    Abstract: The present invention relates to 2-alkoxy and 2-aryloxyestrogen compounds, and the intermediate compounds prepared during the preparation thereof, which intermediate compounds are useful intermediates in the preparation of certain physiologically active compounds.
    Type: Application
    Filed: February 7, 2011
    Publication date: June 2, 2011
    Inventors: Paolo Lombardi, Franco Buzzetti
  • Patent number: 7910756
    Abstract: The invention provides a process for the preparation of 2-substituted-derivatives of estrone and estradiol. The invention also provides several novel compounds, which can be intermediates in the process, and processes to prepare these novel compounds. The invention also provides 2-alkoxy-estrone, 2-alkoxy-estradiol or mixtures thereof essentially free from other estrogenic intermediates.
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: March 22, 2011
    Assignee: N.V. Organon
    Inventors: Johannes Stoelwinder, Nicolaas Elisabeth Cornelis Moers
  • Publication number: 20110021480
    Abstract: Substituted steroid compounds which represent selective inhibitors of 17?-hydroxysteroid dehydrogenase type I (17?-HSD1) and, in addition, which may represent inhibitors of the steroid sulfatase, salts thereof, pharmaceutical preparations containing these compounds, and a process for the preparation of these compounds. Also disclosed is a therapeutic method of using such substituted steroid compounds, particularly in the treatment, inhibition, prophylaxis or prevention of steroid hormone dependent diseases or disorders, such as steroid hormone dependent diseases or disorders requiring the inhibition of 17?-hydroxysteroid dehydrogenase type I and/or steroid sulfatase enzymes and/or requiring lowering of the endogenous 17?-estradiol concentration.
    Type: Application
    Filed: September 28, 2010
    Publication date: January 27, 2011
    Applicant: Solvay Pharmaceuticals GmbH
    Inventors: Josef Messinger, Heinrich-Hubert Thole, Bettina Husen, Michael Weske, Pasi Koskimies, Lila Pirkkala
  • Patent number: 7427610
    Abstract: Disclosed are compounds of formula I and use thereof in a method of treating a tumor disease that can be influenced positively by the inhibition of tubulin polymerization.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: September 23, 2008
    Assignee: Sterix Limited
    Inventors: Alexander Hillisch, Olaf Peters, Christian Gege, Wilko Regenhardt, Dirk Kosemund, Gerhard Siemeister, Eberhard Unger, Ulrich Bothe
  • Publication number: 20080221074
    Abstract: The invention relates to methods identify or characterize compounds that can be used to treat specified clinical disorders such as hyperglycemia and type 2 diabetes. Compounds that can be used in these methods include 4?-fluoro-17?-ethynylandrost-5-ene-3?,7?,17?-triol, 4?-fluoro-17?-ethynylandrost-5-ene-3?,7?,17?-triol, 4?-fluoro-17?-ethynylandrost-5-ene-3?,7?,17?-triol and 4?-fluoro-17?-ethynylandrost-5-ene-3?,17?-triol-7-one.
    Type: Application
    Filed: November 17, 2007
    Publication date: September 11, 2008
    Inventors: Jaime Flores-Riveros, James M. Frincke, Christopher Reading, Dwight Stickney, Clarence Ahlem
  • Patent number: 7135581
    Abstract: Compositions and methods for treating mammalian disease characterized by undesirable angiogenesis by administering derivatives of 2-methoxyestradiol of the general formula: wherein the variables are defined in the specification.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: November 14, 2006
    Assignee: Entremed, Inc.
    Inventors: Gregory E. Agoston, Jamshed H. Shah, Kimberly A. Hunsucker, Victor S. Pribluda, Theresa M. LaVallee, Shawn J. Green, Christopher J. Herbstritt, Xiaoguo H. Zhan, Anthony M. Treston
  • Patent number: 7067503
    Abstract: There is provided a compound comprising a steroidal ring system and a group R1 selected from any one of a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group; wherein the D ring of the steroidal ring system is substituted by a group R2 of the formula —L-R3, wherein L is an optional linker group and R3 is an aromatic hydrocarbyl group.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: June 27, 2006
    Assignee: Sterix Limited
    Inventors: Barry Victor Lloyd Potter, Michael John Reed, Bertrand Leblond, Matthew Paul Leese
  • Patent number: 7037907
    Abstract: A conjugated prodrug of an estradiol compound conjugated to a biological activity modifying agent.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: May 2, 2006
    Assignee: The University of Melbourne
    Inventors: Alastair George Stewart, David James McAllister, Maree Patricia Collis, Alan Duncan Robertson
  • Patent number: 6995278
    Abstract: Compositions and methods for treating mammalian disease characterized by undesirable angiogenesis by administering derivatives of 2-methoxyestradiol of the general formula: wherein the variables are defined in the specification.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: February 7, 2006
    Assignee: Entre Med, Inc.
    Inventors: Gregory E. Agoston, Victor Pribluda, Anthony M. Treston, Shawn J. Green
  • Patent number: 6852710
    Abstract: The application discloses novel 2-alkoxyestradiol analogs which exhibit anti-proliferative properties, and methods of making and using such compounds to inhibit undesired cell proliferation and tumor growth. Additionally, methods are disclosed of treating diseases associated with undesired angiogenesis and undesired proliferation, and methods of treating infectious disease wherein the infectious agent is particularly susceptible to inhibition by agents that disrupt microtubule organization and function.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: February 8, 2005
    Assignee: Southwest Foundation for Biomedical Research
    Inventors: Pemmaraju Narasimha Rao, Susan L. Mooberry, James W. Cessac, Tina L. Tinley
  • Publication number: 20030229061
    Abstract: The application discloses novel 2-alkoxyestradiol analogs which exhibit anti-proliferative properties, and methods of making and using such compounds to inhibit undesired cell proliferation and tumor growth. Additionally, methods are disclosed of treating diseases associated with undesired angiogenesis and undesired proliferation, and methods of treating infectious disease wherein the infectious agent is particularly susceptible to inhibition by agents that disrupt microtubule organization and function.
    Type: Application
    Filed: April 11, 2003
    Publication date: December 11, 2003
    Applicant: SOUTHWEST FOUNDATION FOR BIOMEDICAL RESEARCH
    Inventors: Pemmaraju Narasimha Rao, Susan L. Mooberry, James W. Cessac, Tina L. Tinley
  • Patent number: 6358940
    Abstract: Modified 2-alkoxyestradiol compounds wherein all hydrogens of the carbon next to the oxygen of the alkoxy moiety at position 2 are substituted with a halogen, alkyl or aromatic group, or a trifluoromethyl group are provided. Methods of using compositions containing these compounds to inhibit microtubule formation and tubulin polymerization or depolymerization in cells and to treat diseases characterized by abnormal cell mitosis are also provided.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: March 19, 2002
    Assignee: Rutgers, the State University
    Inventor: Allan H. Conney
  • Patent number: 6271220
    Abstract: The application discloses methods of treating mammalian diseases characterized by undesirable angiogenesis by administering compounds including those having the general formulae wherein A is a fused tropone having a general formula: wherein X is selected from the group consisting of hydrogen, hydroxy, carboxy, halogen, nitro, C1 to C12 alkenyl, C1 to C12 alkyl, C1 to C12 alkoxy, SR, NR2, OSO3−, OSO2NR2, HNSO3−, NHSO2NR2, SSO3−, SSO2NR2, wherein R is hydrogen or a C1 to C6 alkyl and the 17-ester and keto derivatives thereof, in a dosage sufficient to inhibit cell mitosis. The application discloses novel compounds used in the method of the invention.
    Type: Grant
    Filed: September 3, 1999
    Date of Patent: August 7, 2001
    Assignee: Allergan Sales, Inc.
    Inventors: Michael E. Garst, Timothy L. MacDonald
  • Patent number: 6136992
    Abstract: Compounds represented by the following structural formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification. The compounds are disclosed as useful in the treatment of various forms of cancer.
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: October 24, 2000
    Assignees: The United States of America as represented by the Department of Health and Human Services, Pharm-Eco Laboratories, Incorporated
    Inventors: Siya Ram, Ravi Varma, Yesh Sachdeva
  • Patent number: 6051726
    Abstract: Disclosed is a method of preparing a compound represented by the following structural formula: ##STR1## The method comprises reacting bromine (Br.sub.2) and an aliphatic organic acid with a compound represented by the following structural formula: ##STR2## R.sub.1 and R.sub.2 are each independently a hydroxyl protecting group.
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: April 18, 2000
    Assignee: Pharm-Eco Laboratories, Inc.
    Inventors: Yesh Sachdeva, Siya Ram
  • Patent number: 5981517
    Abstract: The invention provides new androstene derivatives having anti-inflammatory activity, pharmaceutical compositions containing them, and methods of administering them to warm-blooded animals in the treatment of inflammation. The active compounds are alkyl 17.alpha.-dichloroacetoxy-11.beta.-hydroxyandrosta-1,4-dien-3-one-17.beta. -carboxylates and related androstenes.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: November 9, 1999
    Assignee: Soft Drugs, Inc.
    Inventor: Nicholas S. Bodor
  • Patent number: 5892069
    Abstract: The application discloses methods of treating mammalian diseases characterized by abnormal cell mitosis by administering estradiol derivatives including those comprising colchicine or combretastatin A-4 structural motifs of the general formulae found below in a dosage sufficient to inhibit cell mitosis. The application discloses novel compounds used in the methods.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: April 6, 1999
    Assignee: The Children's Medical Center Corporation
    Inventors: Robert John D'Amato, Moses Judah Folkman
  • Patent number: 5705495
    Abstract: The invention relates to new sulfamate derivatives of 1,3,5(10)-estratriene derivatives of the general formula I ##STR1## wherein the 3-sulfamate moiety is acylated, sulfonated or amidosulfonated. Furthermore, methods for the production of the compound and pharmaceutical preparations containing this compound are described. The compounds according to the invention have an estrogenic effect.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: January 6, 1998
    Assignee: Jenapharm GmbH & Co. KG.
    Inventors: Sigfrid Schwarz, Walter Elger, Gudrun Reddersen, Birgitt Schneider, Ina Thieme, Margit Richter
  • Patent number: 5633393
    Abstract: Conjugates of the formula ##STR1## are prepared by reacting an estradiol derivative with a compound of the formula: ##STR2## in the presence of thionyl chloride or a metal hydride at -30.degree. to 150.degree. C. for 3 minutes to 48 hours and then recovering and purifying the product.
    Type: Grant
    Filed: August 5, 1996
    Date of Patent: May 27, 1997
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Koichi Niimura, Takako Kawabe, Tsutomu Wada, Tsuyoshi Saitoh, Kenji Bannai
  • Patent number: 5621124
    Abstract: The invention relates to a process for the alkylation of estrone derivatives, which is characterized in that a suspension of the estrone derivatives in dimethylformamide is produced and carbonic acid diester and guanidine and/or alkyl guanidines are dissolved in it and in the largely oxygen-free mixture, the reaction is performed at 100.degree.-200.degree. C. under the reaction pressure being established.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: April 15, 1997
    Assignee: Schering Aktiengesellschaft
    Inventors: Carsten Seilz, Dieter Hubl
  • Patent number: 5561125
    Abstract: Estradiol derivatives of the formula: ##STR1## wherein R.sup.1 is C.sub.1-4 alky or C.sub.1-4 alkoxy; R.sup.2 is acyl or benzyl; m is an integer of 1 to 3; n is an integer of 1 to 3; and X is hydroxy or halogen are useful as tumor growth inhibiting agents.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: October 1, 1996
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Koichi Niimura, Takako Kawabe, Tsutomu Wada, Tsuyoshi Saitoh, Kenji Bannai
  • Patent number: 5491138
    Abstract: Disclosed is a method of inhibiting the growth of tumors by administering an estradiol derivative-alkylating agent conjugate of the formula (I'): ##STR1## wherein R.sup.1 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sup.2 is acyl or benzyl; m is an integer of 1 to 3; and n is an integer of 0 to 3. Also disclosed is a method of inhibiting the growth of tumors by administering a compound of the formula (II); ##STR2## wherein R.sup.1 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sup.2 is acyl or benzyl; m is an integer of 1 to 3; n is an integer of 0 to 3; and X is hydroxy or halogen.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: February 13, 1996
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Koichi Niimura, Takako Kawabe, Tsutomu Wada, Tsuyoshi Saitoh, Kenji Bannai
  • Patent number: 5480878
    Abstract: Disclosed is a method for treating prostatic hypertrophy with an estradiol derivative-alkylating agent conjugate of the formula (1'): ##STR1## wherein R.sup.1 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sup.2 is acyl or benzyl; m is an integer of 1 to 3; and n is an integer of 0 to 3. Also disclosed is the treatment of prostatic hypertrophy with an estradiol derivative of the formula (II): ##STR2## wherein R.sup.1 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sup.2 is acyl or benzyl; m is an integer of 1 to 3; and n is an integer of 0 to 3; and X is hydroxy or halogen.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: January 2, 1996
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Koichi Niimura, Takako Kawabe, Tsutomu Wada, Tsuyoshi Saitoh, Kenji Bannai
  • Patent number: 5478818
    Abstract: Disclosed is an estradiol derivative-alkylating agent conjugate of the formula (I'): ##STR1## wherein R.sup.1 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sup.2 is acyl or benzyl; m is an integer of 1 to 3; and n is an integer of 0 to 3, which is useful a growth inhibiting agent.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: December 26, 1995
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Koichi Niimura, Takako Kawabe, Tsutomu Wada, Tsuyoshi Saitoh, Kenji Bannai
  • Patent number: 5354745
    Abstract: An estradiol derivative-chlorambucil conjugate of the formula (I): ##STR1## wherein R.sup.1 is alkyl or alkoxyl of 1 to 4 carbon atoms; R.sup.2 is acyl, dansyl, or alkyl; R.sup.3, R.sup.4, and R.sup.5 independently are H, oxo, OH, or acyloxy; m is an integer of 1 to 3; and n is an integer of 0 to 3; provided that when n is 0, all of R.sup.3, R.sup.4, and R.sup.5 are not H at the same time, and at least one of R.sup.3, R.sup.4, and R.sup.5 is a group other than H and OH; and further, when n is 2 or 3, the groups R.sup.1 are the same or different; a process for preparing the same, and a pharmaceutical composition containing the conjugate are described.
    Type: Grant
    Filed: June 3, 1993
    Date of Patent: October 11, 1994
    Assignee: Kureha Chemical Industry Co., Ltd.
    Inventors: Fumio Tamura, Tsuyoshi Saito, Satoshi Mitsuhashi, Tadahiro Matsudaira, Kiro Asano
  • 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