The Hetero Ring Contains Nitrogen Patents (Class 540/49)
  • Patent number: 8710037
    Abstract: Novel anti-inflammatory and antiallergic compounds of the glucocorticosteroid series according to formulae (I) and (I?) are effective for the prevention and/or treatment of diseases in which the number, activity, and movement of inflammatory cells is implicated.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: April 29, 2014
    Assignee: Chiesi Farmaceutici S.p.A.
    Inventors: Eleonora Ghidini, Anna Maria Capelli
  • Patent number: 8481517
    Abstract: The present invention relates to novel anti-inflammatory and antiallergic compounds of the glucocorticosteroid series, methods of preparing such compounds, pharmaceutical compositions comprising them, combinations and therapeutic uses thereof. More particularly, the invention relates to glucocorticosteroids that are derivatives of pyrrolidine.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: July 9, 2013
    Assignee: Chiesi Farmaceutici S.p.A.
    Inventors: Eleonora Ghidini, Andrea Rizzi, Andrea Virdis, Fabio Rancati, Anna Rencurosi
  • Patent number: 8003783
    Abstract: There is provided a compound of Formula (III) wherein R1 is a selected from an alkyloxyalkyl group, a nitrile group, alkylaryl group, alkenylaryl group, alkylheteroaryl group, alkenylheteroaryl group, ?N—O—alkyl or ?N—O—H group, branched alkenyl, alkyl-alcohol group, amide or alkylamide or —CHO so that R1 together with R3 provide the enol tautomer or R1 together with R3 form a pyrazole, wherein (a) R4 is ?N—O-alkyl or ?N—O—H group, (b) the pyrazole is substituted with one of alkyl-OH group, alkyl ester group, alkyloxyalkyl group, branched alkyl group, and an amide and/or (c) the 2-position is substituted with a group selected from —OH and —O-hydrocarbyl or a heteroaryl ring; R2 is selected from —OH and a sulphamate group; and R3 is selected from —OH or ?O; wherein the ring system may be further substituted with one or more hydroxyl, alkyl, alkoxy, alkinyl or halo substituents.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: August 23, 2011
    Assignee: Sterix Limited
    Inventors: Nigel Vicker, Harshani Rithma Ruchiranani Lawrence, Gillian Margaret Allan, Christian Bubert, Delphine Sophie Marion Fischer, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
  • Patent number: 7727976
    Abstract: Disclosed are compounds that exhibit high transport across the intestinal wall of an animal. The compounds may optionally be linked to drugs that are poorly absorbed or poorly transported across the intestinal wall after oral administration to provide for enhanced therapeutic, and optionally prolonged therapeutic, systemic blood concentrations of the drugs upon oral administration of the drug-compound conjugate. Also disclosed are pharmaceutical compositions containing and methods of using such compounds.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: June 1, 2010
    Assignee: XenoPort, Inc.
    Inventors: Laxminarayan Bhat, Mark A. Gallop, Bernd Jandeleit
  • Patent number: 7074779
    Abstract: The present invention is directed to novel estrieno[3,2-b]/[3,4-c]pyrrole derivatives, pharmaceutical compositions containing them and their use in the treatment of disorders and diseases mediated by an estrogen receptor.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: July 11, 2006
    Assignee: Ortho-McNeil Pharmaceutical, Inc.
    Inventors: Zhihua Sui, Xuqing Zhang
  • Patent number: 7053076
    Abstract: Disclosed are compounds that exhibit high transport across the intestinal wall of an animal. The compounds may optionally be linked to drugs that are poorly absorbed or poorly transported across the intestinal wall after oral administration to provide for enhanced therapeutic, and optionally prolonged therapeutic, systemic blood concentrations of the drugs upon oral administration of the drug-compound conjugate. Also disclosed are pharmaceutical compositions containing and methods of using such compounds.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: May 30, 2006
    Assignee: XenoPort, Inc.
    Inventors: Laxminarayan Bhat, Mark A. Gallop, Bernd Jandeleit
  • Patent number: 5510340
    Abstract: Novel antihypercholesterolemic agents are provided. An exemplary group of compounds has the structural formula (I) ##STR1## wherein R is a C-17 side chain, R.sup.1 is --OH, .dbd.O, or the like, and X and Y are N, N.fwdarw.O, CH, C--OH, C--OCH.sub.3 or C--Z. Methods of using the compound of formula (I) or other novel oxysterol analogs to treat hypercholesterolemia are provided, as are pharmaceutical compositions containing the compounds.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: April 23, 1996
    Assignee: SRI International
    Inventors: Wesley K. M. Chong, Wan-Ru Chao, Dennis M. Yasuda, John G. Johansson, Mitchell A. Avery, Masato Tanabe
  • Patent number: 5457097
    Abstract: This invention refers to compounds of formula (I) ##STR1## wherein x, y, z represent single or double bonds;R is hydrogen or C.sub.1 -C.sub.4 alkyl;R.sub.1 is hydrogen or an acyl group;R.sub.2 is hydrogen; C.sub.1 -C.sub.4 alkyl unsubstituted or substituted by phenyl; phenyl unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; andA is a >C.dbd.O, >CH OH or >CH OR.sub.3 group, in which R.sub.3 is an acyl group provided that one of z and y is a double bond and the other is a single bond.The compounds are useful as aromatase inhibitors.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: October 10, 1995
    Assignee: Farmitalia Carlo Erba S.r.l.
    Inventors: Franco Buzzetti, Antonio Longo, Enrico Di Salle
  • Patent number: 5126488
    Abstract: The present invention is directed to 2.beta.,19-(methyleneamino)androst-4-ene-3,17-dione which has the formula ##STR1## and the corresponding 17.beta.-ol which are useful as aromatase inhibitors. The compounds are prepared by the cyclization of an appropriate 19-[N-protected-[(2-methoxyethoxy)methylamino] steroid using titanium tetrachloride followed by, if desired, selective reduction of the 17-ketone.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: June 30, 1992
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: J. O'Neal Johnston, Joseph P. Burkhart, Norton P. Peet