The Spiro Hetero Ring Is Four-membered Consisting Of One Oxygen And Three Carbons Patents (Class 540/45)
  • Publication number: 20100234335
    Abstract: The present invention relates to novel neurosteroid derivatives with anti-apoptotic, neuroprotective and neurogenic properties that act on the nervous system as well as methods for making the same and their applications in the treatment and/or prevention or amelioration of neurodegenerative diseases related to neuronal apoptosis or neuronal injury, or conditions related to or resulting from apoptosis, including but not limited to Alzheimer's disease, Parkinson's disease, Huntington's disease, multiple sclerosis and amyotrophic lateral sclerosis (ALS), retinal degeneration and detachment, peripheral neuropathy caused by genetic abnormalities, diabetes, polio, herpes, AIDS and chemotherapy, brain trauma, or ischemia and stroke. The active compounds are represented by Formula (I): wherein R1, R2, R3, R4, R5, R6, R7, A, B, X, Y and Z are defined in the description of the invention. The present invention also includes compositions which comprise one or more of the compounds of Formula (I).
    Type: Application
    Filed: June 17, 2008
    Publication date: September 16, 2010
    Applicant: BIONATURE E. A. LTD.
    Inventors: Achilleas Gravanis, Theodora Calogeropoulou, Elias Castanas, Andreas Margioris, Ioannis Charalambopoulos, Nikolaos Avlonitis, Vassilios Minas, Vasileia-Ismini Alexaki, Christos Tsatsanis, Michael N. Alexis, Eumorphia Remboutsika, Varvara Vergou, Constantinos Neophytou
  • Patent number: 5843933
    Abstract: Compounds of formula I ##STR1## wherein X, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings indicated in the description, are described, as well as processes for their production, pharmaceutical preparations containing these compounds as well as their use for treatment of diseases. The compounds have antigestagenic, antiglucocorticoid, antimineralocorticoid and antiandrogenic properties.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: December 1, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Arwed Cleve, Cornelius Scheidges, Gunter Neef, Eckhard Ottow, Walter Elger, Sybille Beier
  • Patent number: 5723455
    Abstract: Novel antiandrogenic agents are provided. An exemplary group of compounds has the structural formula (I) ##STR1## wherein R.sup.1 through R.sup.10, a and b are as defined herein. Pharmaceutical compositions and methods for using the compounds of formula (I) to treat androgen-related clinical conditions are provided, as are methods and compositions for using the compounds as contraceptive agents.
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: March 3, 1998
    Assignee: SRI International
    Inventors: Masato Tanabe, Wan-Ru Chao, Wesley K. M. Chong, David F. Crowe
  • Patent number: 5001119
    Abstract: Compounds of the formula: ##STR1## are useful as anti-cancer, anti-obesity, anti-diabetic, anti-coronary agents, anti-aging agents, anti-hypolipidemic agents and anti-autoimmune agents.
    Type: Grant
    Filed: November 25, 1987
    Date of Patent: March 19, 1991
    Inventors: Arthur G. Schwartz, Marvin L. Lewbart
  • Patent number: 4701449
    Abstract: Novel 10-substituted steroids of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl and substituted alkyl of 1 to 8 carbon atoms, alkenyl, substituted alkenyl, alkynyl and substituted alkynyl of 2 to 8 carbon atoms, aryl and substituted aryl, aralkyl and substituted aralkyl, protected hydroxy, optionally esterified carboxy, --NH.sub.2, protected amino, mono and di-alkyl amino of 1 to 4 alkyl carbon atoms, halogen and trialkylsilyl, R.sub.2 is methyl or ethyl, R.sub.6 and R.sub.7 together with the carbon atoms to which they are attached form cyclopropyl or R.sub.6 is hydrogen and R.sub.7 is R.sub.1, R.sub.1 is selected from the group consisting of hydrogen, alkyl and substituted alkyl of 1 to 6 carbon atoms, acetylthio and alkenyl, substituted alkenyl, alkynyl and substituted alkynyl of 2 to 6 carbon atoms, X is optionally acylated or etherified hydroxyl and Y is selected from the group consisting of hydrogen, R.sub.4, --CH.sub.2 --CH.sub.2 COOM and --CH.sub.2 --CH.sub.
    Type: Grant
    Filed: August 23, 1985
    Date of Patent: October 20, 1987
    Assignee: Roussel Uclaf
    Inventors: Vesperto Torelli, Lucien Nedelec, Martine Moguilewski, Anne-Marie Moura