Patents Assigned to CTXT PTY. LTD.
  • Patent number: 11911372
    Abstract: A compound of formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: February 27, 2024
    Assignee: CTXT PTY LTD
    Inventors: Paul Anthony Stupple, Helen Rachel Lagiakos, Richard Charles Foitzik, Michelle Ang Camerino, George Nikolakopoulos, Ylva Elisabet Bergman Bozikis, Wilhelmus Johannes Antonius Kersten, Scott Raymond Walker, Jonathan Grant Hubert
  • Patent number: 11492346
    Abstract: The present invention relates to compounds of formula (I) or pharmaceutically acceptable salts thereof, wherein Ring A, R1-R8, and n are defined herein. The novel benzisoxazole sulfonamide derivatives are useful in the treatment of abnormal cell growth, such as cancer, in patients. Additional embodiments relate to pharmaceutical compositions containing the compounds and to methods of using the compounds and compositions in the treatment of abnormal cell growth in patients.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: November 8, 2022
    Assignees: Pfizer Inc., CTXT PTY LTD
    Inventors: Ylva Elisabet Bergman Bozikis, Michelle Ang Camerino, Pei-Pei Kung, Paul Anthony Stupple, Scott Channing Sutton
  • Patent number: 11028101
    Abstract: A compound of formula Ia, Ib, Ic or Id: wherein: n is 1 or 2; RN is H or Me; R1 is optionally one or more halo or methyl groups; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d (if present) are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R3a and R3b are independently selected from H and Me; R4a is selected from OH, —NH2, —C(?O)NH2, and —CH2OH; R4b is either H or Me; R5 is either H or Me; m is 1 or 2; q is 0 or 1; R11a, R11b, R11c and R11d are independently selected from H, halo, C1-4 alkyl, C1-4 fluoroalkyl, C3-4 cycloalkyl, C1-4 alkyloxy, NH—C1-4 alkyl and cyano; R12a and R12b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R12c and R12d are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R12e is H or Me; R13a and R13b are independently selected from H and Me; R14 is either H or Me; R16a
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: June 8, 2021
    Assignee: CTXT PTY LTD
    Inventor: Paul Anthony Stupple
  • Patent number: 10961256
    Abstract: A compound of formula (Ia), (Ib) or (Ic) wherein: n is 1 or 2; RN is H or Me; R1 is optionally one or more halo or methyl groups; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d (if present) are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R3a and R3b are independently selected from H and Me; R4a is selected from OH, —NH2, —C(?O)NH2, and —CH2OH; R4b is either H or Me; X is either N or CH; R7 is selected from H and C1-4 alkyl; (a) one of R8a, R8b, R8c and R8d is selected from H, halo, C1-4 alkyl, C1-4 alkoxy, NHC1-4 alkyl; (b) another of R8a, R8b, R8c and R8d is selected from H, C1-4 alkyl, C1-4 fluoroalkyl, C3-6 cycloalkyl, C5-6 heteroaryl, C5-6 heteroaryl methyl, C4-6 heterocyclyl, C4-6 heterocyclyl methyl, phenyl, benzyl, halo, amido, amidomethyl, acylamido, acylamidomethyl, C1-4 alkyl ester, C1-4 alkyl ester methyl, C1-4 alkyl carbamoyl, C1-4 alkyl carbamoyl methyl, C1-4 alkylacyl, C1-
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: March 30, 2021
    Assignee: CTXT PTY LTD
    Inventors: Paul Anthony Stupple, Scott Raymond Walker, Michelle Ang Camerino
  • Patent number: 10787434
    Abstract: A compound of formula I: (I) wherein: n is 1 or 2; p is 0 or 1; R1a, R1b, R1c and R1d are independently selected from H, halo, C1-4 alkyl, C1-4 fluoroalkyl, C3-4 cycloalkyl, C1-4 alkyloxy, NH—C1-4 alkyl and cyano; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2e is H or Me; R3a and R3b are independently selected from H and Me; R4 is either H or Me; R5 is either H or Me; R6a and R6b are independently selected from H and Me; A is either (IIa), where R7a is selected from N-linked N-containing C5-7 heterocycyl and (A); or (ii) (IIb), where X is selected from CH2, NH and O, one of R8a and R8b is selected from CI and ethoxy and the other of R8a and R8b is H.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: September 29, 2020
    Assignee: CTXT PTY, LTD
    Inventors: Ylva Elisabet Bergman, Michelle Ang Camerino, Paul Anthony Stupple
  • Patent number: 10745380
    Abstract: A compound of formula (Ia), (Ib) or (Ic) wherein: n is 1 or 2; RN is H or Me; R1 is optionally one or more halo or methyl groups; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d (if present) are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R3a and R3b are independently selected from H and Me; R4a is selected from OH, —NH2, —C(?O)NH2, and —CH2OH; R4b is either H or Me; R5 is either H or Me; A is either (i), where R6a is ether; or (ii), where X is selected from CH2, NH and O, one of R7a and R7b is selected from CI and ethoxy and the other of R7a and R7b is H.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: August 18, 2020
    Assignee: CTXT PTY LTD
    Inventor: Paul Anthony Stupple
  • Patent number: 10647708
    Abstract: A compound of formula (I) wherein: R1 is optionally one or more halo or methyl groups; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R3a and R3b are independently selected from H and Me; R4 is either H or Me; R5 is either H or Me; A is either (i) optionally substituted phenyl; (ii) optionally substituted naphthyl; or (iii) optionally substituted C5-12 heteroaryl.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: May 12, 2020
    Assignee: CTXT PTY. LTD
    Inventors: Richard Charles Foitzik, Michelle Ang Camerino, Scott Raymond Walker, H. Rachel Lagiakos
  • Patent number: 10550096
    Abstract: A compound of formula (I) wherein: n is 1 or 2; p is 0 or 1; R1a, R1b, R1c and R1d are independently selected from H, halo, methyl and methoxy; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2e is H or Me; R3a and R3b are independently selected from H and Me; R4 is either H or Me; R6a and R6b are independently selected from H and Me; X is either N or CH; R7 is selected from H and C1-4 alkyl; (a) one of R8a, R8b, R8c, and R8d is selected from H, halo, C1-4 alkyl, C1-4 alkoxy, NHC1-4 alkyl; (b) another of R8a, R8b, R8c and R8d is selected from H, C1-4 alkyl, C1-4 fluoroalkyl, C3-6 cycloalkyl, C5-6 heteroaryl, C5-6 heteroaryl methyl, C4-6 heterocyclyl, C4-6 heterocyclyl methyl, phenyl, benzyl, halo, amido, amidomethyl, acylamido, acylamidomethyl, C1-4 alkyl ester, C1-4 alkyl ester methyl, C1-4 alkyl carbamoyl, C1-4 alkyl carbamoyl methyl, C1
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: February 4, 2020
    Assignee: CTXT PTY LTD
    Inventors: Alexandra Elizabeth Stupple, Scott Raymond Walker, Paul Anthony Stupple
  • Patent number: 10519167
    Abstract: A compound of formula Ia, Ib, Ic or Id: wherein: n is 1 or 2; RN is H or Me; R1 is optionally one or more halo or methyl groups; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d (if present) are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R3a and R3b are independently selected from H and Me; R4a is selected from OH, —NH2, —C(?O)NH2, and —CH2OH; R4b is either H or Me; R5 is either H or Me; m is 1 or 2; q is 0 or 1; R11a, R11b, R11c and R11d are independently selected from H, halo, C1-4 alkyl, C1-4 fluoroalkyl, C3-4 cycloalkyl, C1-4 alkyloxy, NH—C1-4 alkyl and cyano; R12a and R12b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R12c and R12d are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R12e is H or Me; R13a and R13b are independently selected from H and Me; R14 is either H or Me; R16a and
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: December 31, 2019
    Assignee: CTXT PTY LTD
    Inventor: Paul Anthony Stupple
  • Patent number: 10494376
    Abstract: A compound of formula I wherein: n is 1 or 2: p is 0 or 1; R1 is optionally one or more halo or methyl groups; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R3a and R3b are independently selected from H and Me; R4 is either H or Me; R5 is either H or Me; R6a and R6b are independently selected from H and Me; A is either (i) optionally substituted phenyl; (ii) optionally substituted naphthyl; or (iii) optionally substituted C5-12 heteroaryl.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: December 3, 2019
    Assignee: CTXT PTY. LTD.
    Inventors: Ylva Elisabet Bergman, Richard Charles Foitzik, Benjamin Joseph Morrow, Michelle Ang Camerino, Scott Raymond Walker, H. Rachel Lagiakos, John Feutrill, Graeme Irvine Stevenson, Paul Anthony Stupple
  • Patent number: 10421743
    Abstract: A compound of formula (I) wherein: n is 1 or 2; p is 0 or 1; R1a, R1b, R1c and R1d are independently selected from the group consisting of H, halo, C1-4 alkoxy, C1-4 alkyl, C1-4 fluoroalkyl, C3-4 cycloalkyl, NH—C1-4 alkyl and cyano; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2e is H or Me; R3a and R3b are independently selected from H and Me; R4 is either H or Me; R5 is either H or Me; R6a and R6b are independently selected from H and Me; A is either (i) optionally substituted phenyl; (ii) optionally substituted naphthyl; or (iii) optionally substituted C5-12 heteroaryl; wherein when R2e is H, at least one of R1a, R1b, R1c and R1d is selected from C1-4 alkoxy, C2-4 alkyl, C1-4 fluoroalkyl, C3-4 cycloalkyl, NH—C1-4 alkyl and cyano.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: September 24, 2019
    Assignee: CTXT PTY LTD
    Inventors: Ylva Elisabet Bergman, Michelle Ang Camerino, Scott Raymond Walker, Paul Anthony Stupple
  • Patent number: 10005792
    Abstract: A compound of formula (1a), (1b) or (1c) wherein: n is 1 or 2; RN is H or Me; R1 is optionally one or more halo or methyl groups; R2a and R2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R2c and R2d (if present) are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH2OH; R3a and R3b are independently selected from H and Me; R4a is selected from OH, —NH2, —C(?O)NH2, and —CH2OH; R4b is either H or Me; R5 is either H or Me; A is either (i) optionally substituted phenyl; (ii) optionally substituted naphthyl; or (iii) optionally substituted C5-12 heteroaryl.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: June 26, 2018
    Assignee: CTXT PTY. LTD.
    Inventors: Ylva Elisabet Bergman, Romina Lessene, Danny Ganame, Richard Charles Foitzik, Benjamin Joseph Morrow, Michelle Ang Camerino, Scott Raymond Walker, H. Rachel Lagiakos, John Feutrill, Paul Anthony Stupple