Patents by Inventor Elaine Sophie Elizabeth Stokes

Elaine Sophie Elizabeth Stokes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090029991
    Abstract: The invention concerns a compound of the formula (I) wherein Ring A is heterocyclyl; m is 0-4 and each R1 is a group such as hydroxy, halo, trifluoromethyl and cyano; R2 is halo and n is 0-2; and each R4 is a group such as hydroxy, halo, trifluoromethyl and cyano; p is 0-4; and R3 is amino or hydroxy; or pharmaceutically-acceptable salts or in-vivo-hydrolysable ester or amide thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of diseases or medical conditions mediated by histone deacetylase.
    Type: Application
    Filed: September 16, 2008
    Publication date: January 29, 2009
    Applicant: ASTRAZENECA AB
    Inventors: Elaine Sophie Elizabeth Stokes, Craig Anthony Roberts, Michael James Waring
  • Publication number: 20080293687
    Abstract: The invention concerns benzamide compounds of Formula (I), wherein R1a, R1b, R1c, R2, R3, R4, m and n have any of the meanings defined in the description; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use as an antiproliferative agent in the prevention or treatment of tumours or other proliferative conditions which are sensitive to the inhibition of histone deacetylase (HDAC).
    Type: Application
    Filed: August 31, 2005
    Publication date: November 27, 2008
    Inventors: Keith Hopkinson Gibson, Elaine Sophie Elizabeth Stokes, Michael James Waring, David Michael Andrews, Zbigniew Stanley Matusiak, Mark Andrew Graham
  • Publication number: 20080269294
    Abstract: The invention concerns benzamide compounds of formula (I), wherein R1 is a C-linked pyrazole ring, which is optionally substituted by one or more groups selected from C1-4alkyl, C3-4cycloalkyl, C1-4alkoxy and C3-4cycloalkoxy; or a pharmaceutically acceptable salt or pro-drug form thereof. The invention also concerns processes for the preparation of such compounds, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use as an antiproliferative agent in the prevention or treatment of tumours or other proliferative conditions, which are sensitive to the inhibition of histone deacetylase (HDAC).
    Type: Application
    Filed: October 17, 2005
    Publication date: October 30, 2008
    Applicant: ASTRAZENECA AB
    Inventors: David Michael Andrews, Elaine Sophie Elizabeth Stokes, Andrew Turner, Michael James Waring
  • Publication number: 20080119451
    Abstract: The invention concerns benzamide derivatives of Formula (I) wherein R1a, R1b, R1c, R2, R3, R4, integer m, integer n and W have any of the meanings defined in the description; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use as an antiproliferative agent in the prevention or treatment of tumours or other proliferative conditions which are sensitive to the inhibition of histone deacetylase (HDAC).
    Type: Application
    Filed: January 17, 2006
    Publication date: May 22, 2008
    Applicant: ASTRAZENECA AB
    Inventors: Keith Hopkinson Gibson, Elaine Sophie Elizabeth Stokes, Michael James Waring, David Michael Andrews, Zbigniew Stanley Matusiak
  • Patent number: 7173038
    Abstract: The invention relates to quinazoline derivatives of formula (I), wherein m is an integer from 1 to 3; R1 represents halogeno or C1-3alkyl; X1 represents —O—; R2 is selected from one of the following three groups: 1) C1-5alkylR3 (wherein R3 is piperidin-4-yl which may bear one or two substituents selected from hydroxy, halogeno, C1-4hydroxyalkyl and C1-4alkoxy; 2) C2-5alkenylR3 (wherein R3 is as defined hereinbefore); 3) C2-5alkynylR3 (wherein R3 is as defined hereinbefore); and wherein any alkyl, alkenyl or alkynyl group may bear one or more substituents selected from hydroxy, halogeno and amino; and salts thereof, processes for their preparation, pharmaceutical compositions containing a compound of formula (I) or a pharmaceutically acceptable salt thereof as a active ingredient. The compounds of formula (I) and the pharmaceutically acceptable salts thereof inhibit the effects of VEGF, a property of value in the treatment of number of disease states including cancer and rheumatoid arthritis.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: February 6, 2007
    Assignee: AstraZeneca AB
    Inventors: Andrew Peter Thomas, Elaine Sophie Elizabeth Stokes, Laurent Francois Andre Hennequin
  • Patent number: 7160889
    Abstract: The invention concerns quinazoline derivatives of Formula (I) wherein ring A is phenyl or a 5-or 6-membered heterocyclic ring which may be saturated, partially saturated or unsaturated and may be aromatic or non-aromatic and which contains 1, 2 or 3 ring heteroatoms selected from O, N and S; Z is —O—, —NH— or —S—; and X1, R1, R2, R3, m and R4 have any of the meanings defined in the description; processes for their preparation, pharmaceutical compositions containing them and their use in producing an antiangiogenic and/or vascular permeability reducing effect in warm-blooded animals, and in the treatment of disease states such as cancer, rheumatoid arthritis and psorlasis.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: January 9, 2007
    Assignee: AstraZeneca AB
    Inventors: Laurent Francois Andre Hennequin, Elaine Sophie Elizabeth Stokes
  • Patent number: 6897210
    Abstract: The invention relates to quinazoline derivatives of formula (I) wherein m is an integer from 1 to 2; R1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, C1-3alkyl, C1-3alkoxy, C1-3alkylthio, or —NR5R6 (wherein R5 and R6, which may be the same or different, each represents hydrogen or C1-3alkyl); R2 represents hydrogen, hydroxy, halogeno, methoxy, amino or nitro; R3 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro; X1 represents —O—, —CH2—, —S—, —SO—, —SO2—, —NR7CO—, —CONR8—, —SO2NR9—, —NR10SO2— or —NR11— (wherein R7, R8, R9, R10 and R11 each independently represents hydrogen, C1-3alkyl or C1-3alkoxyC2-3alkyl); R4 represents an optionally substituted 5 or 6 membered saturated carbocyclic or heterocyclic group or a group which is alkenyl, alkynyl or optionally substituted alkyl, which alkyl group may contain a heteroatom linking group, which alkenyl, alkynyl or alkyl group may carry a terminal optionally substituted group selected
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: May 24, 2005
    Assignees: Zeneca Limited, Zeneca Pharma S. A.
    Inventors: Andrew Peter Thomas, Craig Johnstone, Edward Clayton, Elaine Sophie Elizabeth Stokes, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin
  • Publication number: 20040242574
    Abstract: The invention relates to quinazoline derivatives of formula (I) wherein m is an integer from 1 to 2; R1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, C1-3alkyl, C1-3alkoxy, C1-3alkylthio, or —NR5R6 (wherein R5 and R6, which may be the same or different, each represents hydrogen or C1-3alkyl), R2 represents hydrogen, hydroxy, halogeno, methoxy, amino or nitro; R3 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro, X1 represents —O—, —CH2—, —S—, —SO—, —SO2—, —NR7CO—, —CONR8—, —SO2NR9—, —NR10SO2— or —NR11— (wherein R7, R8, R9, R10 and R11 each independently represents hydrogen, C1-3alkyl or C1-3alkoxyC2-3alkyl); R4 represents an optionally substituted 5 or 6 membered saturated carbocyclic or hetrocyclic group or a group which is alkenyl, alkynyl or optionally substituted alkyl, which alkyl group may contain
    Type: Application
    Filed: November 3, 2003
    Publication date: December 2, 2004
    Applicants: ZENECA LIMITED, ZENECA PHARMA S.A.
    Inventors: Andrew Peter Thomas, Craig Johnstone, Edward Clayton, Elaine Sophie Elizabeth Stokes, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin
  • Patent number: 6673803
    Abstract: The invention relates to quinazoline derivatives of formula (I) wherein m is an integer from 1 to 2; R1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, C1-3alkyl, C1-3alkoxy, C1-3alkylthio, or —NR5R6 (wherein R5 and R6, which may be the same or different, each represents hydrogen or C1-3alkyl); R2 represents hydrogen, hydroxy, halogeno, methoxy, amino or nitro; R3 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro; X1 represents —O—, CH2—, —S—, —SO—, —SO2—, —NR7CO—, —CONR8—, —SO2NR9—, —NR10SO2— or —NR11— (wherein R7, R8, R9, R10 and R11 each independently represents hydrogen, C1-3alkyl or C1-3alkoxyC2-3alkyl);R4 represents an optionally substituted 5 or 6 membered saturated carbocyclic or heterocyclic group or a group which is alkenyl, alkynyl or optionally substituted alkyl, which alkyl group
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: January 6, 2004
    Assignee: Zeneca Limited
    Inventors: Andrew Peter Thomas, Craig Johnstone, Elaine Sophie Elizabeth Stokes, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin
  • Publication number: 20030191308
    Abstract: The invention concerns compounds of the formula (I) wherein ring A is phenyl or 5- or 6-membered heterocyclic ring as defined herein; Z is —O—, —NH— or —S—; m is an integer from 0 to 5 inclusive; R1 is hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, (C1-3alkyl, C1-3alkoxy, C1-3alkylthio, or —NR5R6 (wherein R5 and R6, which may be the same or different, are hydrogen or C1-3alkyl); R2 is hydrogen, hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, trifluoromethyl, amino or nitro; R3 is hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro; provided that when ring A is a 5- or 6-memberecl heterocyclic ring, at least one R3 is either hydroxy or halogeno; X1 is —O—, —CH2—, —S—, —SO—, —SO2—, —NR7—, —NR7CO—, —CONR7, —SO2NR7— or —NR7SO2—, (wherein R7 is hydrogen, C1-3alkyl or C1-3alkoxyC2-3alkyl); and R4 is selected f
    Type: Application
    Filed: October 3, 2002
    Publication date: October 9, 2003
    Inventors: Laurent Francois Andre Hennequin, Elaine Sophie Elizabeth Stokes
  • Publication number: 20020173646
    Abstract: The invention relates to quinazoline derivatives of formula (I) wherein m is an integer from 1 to 2; R1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, C1-13 alkyl, C1-3alkoxy, C1-3alkylthio, or —NR5R6 (wherein R5 and R6, which may be the same or different, each represents hydrogen or C1-3alkyl); R2 represents hydrogen, hydroxy, halogeno, methoxy, amino or nitro; R3 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro; X1 represents —O—, —CH2—, —S—, —SO—, —SO2—, —NR7CO—, —CONR8—, —SO2NR9—-, —NR10SO2— or —NR11— (wherein R7, R8, R9, R10 and R11 each independently represents hydrogen, C1-3 alkyl or C1-3alkoxyC2-3alkyl); R4 represents an optionally substituted 5 or 6 membered saturated carbocyclic or heterocyclic group or a group which is alkenyl, alkynyl or optionally substituted alkyl, which alkyl group may co
    Type: Application
    Filed: February 25, 2002
    Publication date: November 21, 2002
    Applicant: ZENECA LIMITED
    Inventors: Andrew Peter Thomas, Craig Johnstone, Elaine Sophie Elizabeth Stokes, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin
  • Patent number: 6414148
    Abstract: The invention relates to quinazoline derivatives of formula (1) wherein m is an integer from 1 to 2; R1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, C1-3alkyl, C1-3alkoxy, C1-3alkylthio, or —NR5R6 (wherein R5 and R6, which may be the same or different, each represents hydrogen or C1-3alkyl); R2 represents hydrogen, hydroxy, halogeno, methoxy, amino or nitro; R3 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro; X1 represents —O—, —CH2—, —S—, —SO—, —SO2—, —NR7CO—, —CONR8—, —SO2NR9—, —NR10SO2— or —NR11— (wherein R7, R8, R9, R10 and R11 each independently represents hydrogen, C1-3alkyl or C1-3alkoxyC2-3alkyl); R4 represents an optionally substituted 5 or 6 membered saturated carbocyclic or heterocyclic group or a group which is alkenyl, alkynyl or optionally substituted alkyl, which alky
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: July 2, 2002
    Assignees: Zeneca Limited, Zeneca Pharma S.A.
    Inventors: Andrew Peter Thomas, Craig Johnstone, Edward Clayton, Elaine Sophie Elizabeth Stokes, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin
  • Patent number: 6313127
    Abstract: Compounds of formula (I) in which all variables are defined in the description and their salts inhibit the enzyme oxido squalene cyclase and are useful in treating hypercholesterolemia and also as anti-fungal agents. Processes for their preparation are also described together with their use in medicine.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: November 6, 2001
    Assignee: Zeneca Limited
    Inventors: David Waterson, Elaine Sophie Elizabeth Stokes, George Robert Brown, John Graham Cumming, Nicholas John Newcombe, Robin Wood, William John Watkins
  • Patent number: 6093718
    Abstract: This invention concerns heterocyclic derivatives which are useful in inhibiting oxido-squalene cyclase, processes for their preparation and pharmaceutical compositions containing them. The present invention is also concerned with heterocyclic derivatives capable of inhibiting cholesterol biosynthesis and hence in lowering cholesterol levels in blood plasma. The present invention also relates to methods of using such heterocyclic derivatives in diseases and medical conditions such as hypercholesterolemia and atherosclerosis.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: July 25, 2000
    Assignee: Zeneca Limited
    Inventors: David Waterson, Elaine Sophie Elizabeth Stokes, George Robert Brown, Nicholas John Newcombe
  • Patent number: 6090813
    Abstract: A compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein G, T.sup.1, T.sup.2 and T.sup.3 are selected from CH and N; provided that T.sup.2 and T.sup.3 are not both CH; A is selected from a direct bond and (1-4C)alkylene; X is selected from oxy, thio, sulphinyl, sulphonyl, carbonyl, carbonylamino, N-di-(1-6C)alkylcarbonylamino, sulphonamido, methylene, (1-4C)alkylmethylene and di-(1-6C)alkylmethylene, and when T.sup.2 is CH, X may also be selected from aminosulphonyl and oxycarbonyl; and Q is selected from (5-7C)cycloalkyl, a heterocyclic moiety containing up to 4 heteroatoms selected from nitrogen, oxygen and sulphur, phenyl, naphthyl, phenyl(1-4C)alkyl and phenyl(2-6C)alkenyl; for the manufacture of a medicament for treating diseases or medical conditions in which an inhibition of oxido-squalene cyclase is desirable.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: July 18, 2000
    Assignee: Zeneca Limited
    Inventors: David Waterson, Elaine Sophie Elizabeth Stokes, George Robert Brown, Robin Wood