Carbon Or Halogen Bonded Directly At The 6- Or 7-position Patents (Class 552/594)
  • Patent number: 6037339
    Abstract: A C-11 substituted steroid and a method of use of a C-11 substituted steroid to treat osteoporosis.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: March 14, 2000
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Lodewijk Pieter Cornelis Schot, Jane Margretha Lena van der Werf-Pieters
  • Patent number: 5972922
    Abstract: Novel angiostatic .DELTA..sup.4,9(11) -steroids (I), ##STR1## C.sub.21 -oxygenated steroids (II) and other known steroidal compounds have been found to be useful in treating angiogenesis in mammals who have a need for the same. These steroids are useful in treating diseases of neovascularization such as cancer, diabetes and arthritis.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: October 26, 1999
    Assignee: Alcon Laboratories, Inc.
    Inventors: John W. Wilks, Thomas F. DeKoning, Paul A. Aristoff
  • Patent number: 5710293
    Abstract: The present invention relates to a method of using a perchloric acid catalyzed reaction to make acyl derivatives of norprogesterone compounds and, in particular, 16-methylene-17.alpha.-hydroxy-19-norpregn-4-ene-3,20-dione.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: January 20, 1998
    Assignee: The Population Council, Center for Biomedical Research
    Inventor: Fang Li
  • Patent number: 5710144
    Abstract: A C-11 substituted steroid and a method of use of a C-11 substituted steroid to treat osteoporosis.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: January 20, 1998
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Lodewijk Pieter Cornelis Schot, Jane Margretha Lena van der Werf-Pieters
  • Patent number: 5352808
    Abstract: A process for the preparation of a compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms optionally substituted by halogen or a nitrogen or oxygen function and alkenyl and alkynyl of 2 to 4 carbon atoms, R.sub.2 is alkyl of 1 to 4 carbon atoms and the A, B, C and D rings are optionally substituted by at least one member of the group consisting of optionally protected --OH or .dbd.0, halogen, alkyl and alkoxy of 1 to 4 carbon atoms and alkenyl and alkynyl of 2 to 4 carbon atoms comprising reacting a compound of the formula ##STR2## wherein R.sub.1 and R.sub.2 and the A, B, C and D rings are defined as above with an oxidizing agent in the presence of water and an at least partially water-miscible solvent to obtain a compound of the formula ##STR3## wherein R.sub.1 and R.sub.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: October 4, 1994
    Assignee: Roussel Uclaf
    Inventors: Jean Buendia, Michel Vivat
  • Patent number: 4956482
    Abstract: Known pregnane derivatives are prepared by esterification of know androstane derivatives to give new esters of Formula III ##STR1## wherein in each case symbolizes a single bond or a double bond,n is 1 or 2,R.sub.1 is hydrogen or methyl,R.sub.2 is hydrogen or formyl, andR.sub.3 is chlorine, hydroxy or an alkanoyloxy group of up to 6 carbon atoms,and reaction of the latter with Ag(I) and formic acid.
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: September 11, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Hofmeister, Klaus Annen, Henry Laurent, Rudolf Wiechert
  • Patent number: 4948533
    Abstract: The present invention relates to 21-(3-carboxy-1-oxopropoxy) -17.alpha.-hydroxy-11.alpha.-(3,3-dimethyl-1-oxobutoxy)pregna-1,4-diene-3, 20 dione and pharmaceutically acceptable salts thereof which are useful steroid prodrugs.
    Type: Grant
    Filed: February 16, 1989
    Date of Patent: August 14, 1990
    Assignee: The Upjohn Company
    Inventors: John M. Braughler, Edward D. Hall, Wendell Wierenga, John M. McCall
  • Patent number: 4913852
    Abstract: Compounds obtained from the associative synthesis of sulfur-containing or sulfur-free amino acids with derivatives of .DELTA.-4-pregnene-3,20-dione or with derivatives of .DELTA.-1,4-pregnadiene-3,20-dione of the general formulas (I), (II) and (III), having glucocorticoidal and anti-inflammatory properties have been prepared and tested. Pharmaceutical compositions, medicaments containing them as well as their applications are claimed, particularly in the cutaneous and ophthalmic fields.
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: April 3, 1990
    Inventors: Catherine Milioni, Constantin Efthyimiopoulos, Bernard Koch, Louis Jung, Jean Jung