Patents by Inventor Geoffrey Wells

Geoffrey Wells 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).

  • Patent number: 8637664
    Abstract: A compound of formula (I); or a salt or solvate thereof, wherein: the dotted line indicates the optional presence of a double bond between C2 and C3; R2 is selected from —H, —OH, =0, ?CH2, —CN, —R, OR, halo, ?CH—R, O—SO2—R, CO2R and COR; R7 is selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, nitro, Me3Sn and halo, where R and R? are independently selected from optionally substituted C1-7 alkyl, C3-20 heterocyclyl and C5-20 aryl groups; R10 and R11 either together form a double bond, or are selected from H and YRY, where Y is selected from O, S and NH and R is H or C1-7 alkyl or H and SOxM, where x is 2 or 3 and M is a monovalent pharmaceutically acceptable cation; each X is independently a heteroarylene group; n is from 1 to 6; and RE is C1-4 alkyl. The compound is useful for the treatment of proliferative diseases.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: January 28, 2014
    Assignee: Spirogen SARL
    Inventors: Philip Wilson Howard, David Edwin Thurston, Geoffrey Wells
  • Publication number: 20110160192
    Abstract: Compounds of formula (I): Z?-CO-A-B—NH-Z (I) wherein: Z is H or an amino protecting group; Z? is OH, a protected or activated hydroxyl group or Cl; A is an optionally substituted C5-6 arylene group; and B is an optionally substituted C5-6 arylene group.
    Type: Application
    Filed: March 7, 2011
    Publication date: June 30, 2011
    Applicant: SPIROGEN LIMITED
    Inventors: Philip Wilson Howard, Geoffrey Wells
  • Publication number: 20080214525
    Abstract: A compound of formula (I); or a salt or solvate thereof, wherein: the dotted line indicates the optional presence of a double bond between C2 and C3; R2 is selected from —H, —OH, =0, ?CH2, —CN, —R, OR, halo, ?CH—R, O—SO2—R, CO2R and COR; R7 is selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, nitro, Me3Sn and halo, where R and R? are independently selected from optionally substituted C1-7 alkyl, C3-20 heterocyclyl and C5-20 aryl groups; R10 and R11 either together form a double bond, or are selected from H and YRY, where Y is selected from O, S and NH and R is H or C1-7 alkyl or H and SOxM, where x is 2 or 3 and M is a monovalent pharmaceutically acceptable cation; each X is independently a heteroarylene group; n is from 1 to 6; and RE is C1-4 alkyl. The compound is useful for the treatment of proliferative diseases.
    Type: Application
    Filed: October 5, 2006
    Publication date: September 4, 2008
    Applicant: SPIROGEN LIMITED
    Inventors: Philip Wilson Howard, David Edwin Thurston, Geoffrey Wells
  • Patent number: 7384966
    Abstract: A compound of general structure I, wherein the compound is optionally in the form of an N-oxide or S-oxide or prodrug form and/or pharmaceutically acceptable salt thereof wherein: each of R1 to R9 is independently selected from hydrogen, hydroxyl, alkoxy, halo, mesyl, CX3 (X=halo), —O(CH2)nNYZ-, substituted or unsubstituted lower alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroaralkyl; optionally R6 and R7 together form a dioxymethylene (—OCH2O—) unit and wherein n is 1 to 3 and Y and Z are independently selected from any of the following: C1-C6 straight chain, branched or cyclic substituted or unsubstituted alkyl group, Y and Z can be taken together to form a cyclic alkyl or hetereoalkyl group wherein in addition to N the hetereoalkyl group comprises a heteroatom selected from N, O or S.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: June 10, 2008
    Assignee: Pharminxo Limited
    Inventors: Malcolm Francis G. Stevens, Andrew David Westwell, Tracey Dawn Poole, Geoffrey Wells
  • Patent number: 7307099
    Abstract: This invention pertains to certain 4-(1-(sulfonyl)-1H-indol-2-yl)-4-(hydroxy)-cyclohexa-2,5-dienone compounds, and analogs thereof, including compounds of the following formula, which are, inter alia, antiproliferative agents, anticancer agents, and/or thioredoxin/thioredoxin reductase inhibitors: formula (I) wherein: Ar is a 1-(sulfonyl)-1H-indol-2-yl group; the bond marked ? is independently: (a) a single bond; or: (b) a double bond; the bond marked ? is independently: (a) a single bond; or: (b) a double bond; the group —ORO is independently: (a) —OH; (b) an ether group (e.g., —OMe); or: (c) an acyloxy (i.e., reverse ester) group (e.g.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: December 11, 2007
    Assignee: Cancer Research Technology Limited
    Inventors: Malcolm Francis Graham Stevens, Andrew David Westwell, Tracey Dawn Poole, Geoffrey Wells, Jane Marie Berry
  • Publication number: 20070249591
    Abstract: Compounds of formula (1): Z?-CO-A-B—NH-Z (I) wherein: Z is H or an amino protecting group; Z? is OH, a protected or activated hydroxyl group or Cl; A is an optionally substituted C5-6 arylene group; and B is an optionally substituted C5-6 arylene group.
    Type: Application
    Filed: March 1, 2005
    Publication date: October 25, 2007
    Applicant: Spirogen Limited
    Inventors: Philip Howard, Geoffrey Wells
  • Publication number: 20060287396
    Abstract: The present invention pertains to compounds of the following formula, which are, inter alia, antiproliferative agents, anticancer agents, antimycobacterial agents, antituberculosis agents, and/or thioredoxin/thioredoxin reductase inhibitors: wherein: Q is ?O or ?N—S(?O)2—RQ; RQ is —H or optionally substituted C1-7alkyl, C3-20heterocyclyl, or C5-20aryl; Ar is optionally substituted C5-20aryl; RO is an oxy substituent; the bond marked ? is a single bond or a double bond; the bond marked ? is a single bond or a double bond; R3 and R5 are each independently ring substituents; R2 and R6 are each independently ring substituents; and pharmaceutically acceptable salts, esters, amides, solvates, hydrates, and protected forms thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, for example, in the treatment of proliferative conditions, (e.g., cancer), mycobacterial infections (e.g.
    Type: Application
    Filed: August 29, 2006
    Publication date: December 21, 2006
    Applicant: CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Malcolm Stevens, Geoffrey Wells, Andrew Westwell, Tracey Poole
  • Patent number: 7144893
    Abstract: The present invention pertains to compounds of the formula (1) which are, inter alia, antiproliferative agents, anticancer agents, antimycobacterial agents, antituberculosis agents, and/or thioredoxin/thioredoxin reductase inhibitor: wherein: Q is ?O or ?N—S(?O)2—RQ;RQ is —II or optionally substituted C1-7alkyl, C3-20heterocyclyl, or C5-20aryl; Ar is optionally substituted C5-20aryl; RO is an oxy substituent; the bond marked ? is a single bond or a double bond; the bond marked ? is a single bond or a double bond; R3 and R5 are each independently ring substituents; R2 and R6 are each independently ring substituents; and pharmaceutically acceptable salts, esters, amides, solvates, hydrates, and protected forms thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, for example, in the treatment of proliferative conditions, (e.g., cancer), mycobacterial infections (e.g.
    Type: Grant
    Filed: July 5, 2002
    Date of Patent: December 5, 2006
    Assignee: Cancer Research Technology Limited
    Inventors: Malcolm Francis Graham Stevens, Geoffrey Wells, Andrew David Westwell, Tracey Dawn Poole
  • Publication number: 20060100265
    Abstract: This invention pertains to certain 4-(1-(sulfonyl)-1H-indol-2-yl)-4-(hydroxy)-cyclohexa-2,5-dienone compounds, and analogs thereof, including compounds of the following formula, which are, inter alia, antiproliferative agents, anticancer agents, and/or thioredoxin/thioredoxin reductase inhibitors: formula (I) wherein: Ar is a 1-(sulfonyl)-1H-indol-2-yl group; the bond marked ? is independently: (a) a single bond; or: (b) a double bond; the bond marked ? is independently: (a) a single bond; or: (b) a double bond; the group —ORO is independently: (a) —OH; (b) an ether group (e.g., —OMe); or: (c) an acyloxy (i.e., reverse ester) group (e.g.
    Type: Application
    Filed: December 20, 2002
    Publication date: May 11, 2006
    Inventors: Malcolm Stevens, Andrew Westwell, Tracey Poole, Geoffrey Wells, Jane Berry
  • Publication number: 20060063816
    Abstract: A compound of general structure I, wherein the compound is optionally in the form of an N-oxide or S-oxide or prodrug form and/or pharmaceutically acceptable salt thereof wherein: each of R1 to R9 is independently selected from hydrogen, hydroxyl, alkoxy, halo, mesyl, CX3 (X=halo), —O(CH2)nNYZ—, substituted or unsubstituted lower alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroaralkyl; optionally R6 and R7 together form a dioxymethylene (—OCH2O—) unit and wherein n is 1 to 3 and Y and Z are independently selected from any of the following: C1-C6 straight chain, branched or cyclic substituted or unsubstituted alkyl group, Y and Z can be taken together to form a cyclic alkyl or hetereoalkyl group wherein in addition to N the hetereoalkyl group comprises a heteroatom selected from N, O or S.
    Type: Application
    Filed: August 31, 2005
    Publication date: March 23, 2006
    Inventors: Malcolm Stevens, Andrew Westwell, Tracey Poole, Geoffrey Wells
  • Publication number: 20040220236
    Abstract: The present invention pertains to compounds of the formula (I) which are, inter alia, antiprolilferative agents, anticancer agents, anitimycohacterial agents, antituberculosis agents, and/or thioredoxin/thioredoxin reductase inhibitor: wherein: Q is ═O or ═N—S(═O)2—RQ; RQ is -II or optionally substituted C1-7alkyl, C3-20heterocyclyl, or C5-20aryl; Ar is optionally substituted C5-20aryl; RO is an oxy substituent; the bond marked &agr; is a single bond or a double bond; the bond marked &bgr; is a single bond or a double bond; R3 and R5 are each independently ring substituents; R2 and R6 are each independently ring substituents; and pharmaceutically acceptable salts, esters, amides, solvates, hydrates, and protected forms thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, for example, in the treatment of proliferative conditions, (e.g.
    Type: Application
    Filed: April 27, 2004
    Publication date: November 4, 2004
    Inventors: Malcolm Francis Graham Stevens, Geoffrey Wells, Andrew David Westwell, Tracey Dawn Poole