Patents by Inventor Christian Bubert

Christian Bubert 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: 20240279222
    Abstract: The present invention relates to processes for the preparation of certain compounds that function as inhibitors of METTL3 (N6-adenosine-methyltransferase 70 kDa subunit) activity, and their synthetic intermediates.
    Type: Application
    Filed: June 1, 2022
    Publication date: August 22, 2024
    Inventors: Christian Bubert, Mark Peter Ridgill, Tommaso Canelli, David James Hardick
  • Publication number: 20240101589
    Abstract: The present invention relates to compounds of formula (I) that function as inhibitors of METTL3 (N6-adenosine-methyltransferase 70 kDa subunit) enzyme activity: W—X—Y—Z (I) wherein X, Y and Z are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, and autoimmune diseases, as well as other diseases or conditions in which METTL3 activity is implicated.
    Type: Application
    Filed: October 7, 2021
    Publication date: March 28, 2024
    Inventors: DAVID JAMES HARDICK, Wesley Peter Blackaby, Elizabeth Jane Thomas, Frederick Arthur Brookfield, Jon Shepherd, Christian Bubert, Mark Peter Ridgill
  • Publication number: 20230391770
    Abstract: The present invention relates to compounds of formula (I) that function as inhibitors of METTL3 (N6-adenosine-methyltransferase 70 kDa subunit) enzyme activity: X—Y—Z (I) wherein X, Y and Z are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, and autoimmune diseases, as well as other diseases or conditions in which METTL3 activity is implicated.
    Type: Application
    Filed: October 5, 2021
    Publication date: December 7, 2023
    Inventors: David James Hardick, Wesley Peter Blackaby, Elizabeth Jane Thomas, Frederick Arthur Brookfield, Jon Shepherd, Christian Bubert, Mark Peter Ridgill
  • Patent number: 11725010
    Abstract: The present invention relates to compounds of formula (I) that function as inhibitors of METTL3 (N6-adenosine-methyltransferase 70 kDa subunit) enzyme activity: X—Y—Z??(I) wherein X, Y and Z are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, and autoimmune diseases, as well as other diseases or conditions in which METTL3 activity is implicated.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: August 15, 2023
    Assignee: Storm Therapeutics Limited
    Inventors: Wesley Peter Blackaby, Elizabeth Jane Thomas, David James Hardick, Jon Shepherd, Frederick Arthur Brookfield, Christian Bubert, Mark Peter Ridgill
  • Publication number: 20230116403
    Abstract: The present invention relates to compounds of formula (I) that function as inhibitors of METTL3 (N6-adenosine-methyltransferase 70 kDa subunit) enzyme activity: X—Y—Z??(I) wherein X, Y and Z are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, and autoimmune diseases, as well as other diseases or conditions in which METTL3 activity is implicated.
    Type: Application
    Filed: December 1, 2020
    Publication date: April 13, 2023
    Inventors: Wesley P. Blackaby, Ekizabeth Jane Thomas, David james Hardick, Jon Shepherd, Frederick Arthur Brookfield, Christian Bubert, Mark Peter Ridgill
  • Publication number: 20230085408
    Abstract: The present invention relates to compounds of formula (I) that function as inhibitors of METTL3 (N6-adenosine-methyltransferase 70 kDa subunit) enzyme activity: X—Y—Z5 (I) wherein X, Y and Z are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, and autoimmune diseases, as well as other diseases or conditions in which METTL3 activity 10 is implicated.
    Type: Application
    Filed: April 3, 2020
    Publication date: March 16, 2023
    Inventors: Wesley Peter BLACKABY, David James HARDICK, Elizabeth Jane THOMAS, Frederick Arthur BROOKFIELD, Christian BUBERT, Jon SHEPHERD, Mark Peter RIDGILL
  • Publication number: 20230002378
    Abstract: The present invention relates to compounds of formula (I) that function as inhibitors of METTL3 (N6-adenosine-methyltransferase 70 kDa subunit) enzyme activity: X—Y—Z??(I) wherein X, Y and Z are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, and autoimmune diseases, as well as other diseases or conditions in which METTL3 activity is implicated.
    Type: Application
    Filed: July 29, 2022
    Publication date: January 5, 2023
    Inventors: Wesley Peter Blackaby, Elizabeth Jane Thomas, David James Hardick, Jon Shepherd, Frederick Arthur Brookfield, Christian Bubert, Mark Peter Ridgill
  • Patent number: 8846737
    Abstract: There is provided a compound of formula I wherein Z is selected from N and CR22, wherein R22 is H or a bond with D; wherein D is selected from a bond, C?O, and linear or branched hydrocarbon groups having a carbon chain of from 1 to 6 carbon atoms, wherein the carbon chain optionally contains an oxy group (?O), an ether (—O—) or thioether (—S—) link, wherein R1 is selected from: triazolyl, imidazolyl, pyrimidinyl radical wherein each of R2 to R6 is independently selected from —H, NO2, halo, —CN, —N[(C?O)0-1R12][(C?O)0-1R13] and —(CH2)0-1R14, or two adjacent groups of R2 to R6, together with the carbon atoms to which they are attached, form a ring, wherein at least one of R2 to R6 is —CN, wherein (i) at least one of R2 to R6 is —(CH2)0-1R14, or (ii) at least one of R2 to R6 is —N[(C?O)0-1R12][(C?O)0-1R13], or (iii) at least two adjacent groups of R2 to R6 together with the carbon atoms to which they are attached, form a ring, or (iv) at least one of R2 to R6 is —(CH2)0-1—O—R?14, wherein R12 and R13
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: September 30, 2014
    Assignee: Sterix Limited
    Inventors: Lok Wai Lawrence Woo, Christian Bubert, Paul Michael Wood, Aurélien Putey, Atul Purohit, Barry Victor Lloyd Potter
  • Patent number: 8470860
    Abstract: There is provided a compound of Formula I wherein X, Y and Z are each independently of each other an optional linker group; R1 is a ring system; R2 is selected from hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2) and halogens; R3 and R4 are independently selected from H and hydrocarbyl, ring A and B are independently optionally further substituted.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: June 25, 2013
    Assignee: Sterix Limited
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
  • Publication number: 20120238550
    Abstract: There is provided a compound of formula I wherein Z is selected from N and CR22, wherein R22 is H or a bond with D; wherein D is selected from a bond, C?O, and linear or branched hydrocarbon groups having a carbon chain of from 1 to 6 carbon atoms, wherein the carbon chain optionally contains an oxy group (?O), an ether (—O—) or thioether (—S—) link, wherein R1 is selected from: triazolyl, imidazolyl, pyrimidinyl radical wherein each of R2 to R6 is independently selected from —H, NO2, halo, —CN, —N[(C?O)0-1R12][(C?O)0-1R13] and —(CH2)0-1R14, or two adjacent groups of R2 to R6, together with the carbon atoms to which they are attached, form a ring, wherein at least one of R2 to R6 is —CN, wherein (i) at least one of R2 to R6 is —(CH2)0-1R14, or (ii) at least one of R2 to R6 is —N[(C?O)0-1R12][(C?O)0-1R13], or (iii) at least two adjacent groups of R2 to R6 together with the carbon atoms to which they are attached, form a ring, or (iv) at least one of R2 to R6 is —(CH2)0-1—O—R?14, wherein R12 and R13
    Type: Application
    Filed: August 23, 2010
    Publication date: September 20, 2012
    Inventors: Lok Wai Lawrence Woo, Christian Bubert, Paul Michael Wood, Aurélien Putey, Atul Purohit, Barry Victor Lloyd Potter
  • 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
  • Publication number: 20110021586
    Abstract: There is provided a compound of Formula I wherein X, Y and Z are each independently of each other an optional linker group; R1 is a ring system; R2 is selected from hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2) and halogens; R3 and R4 are independently selected from H and hydrocarbyl, ring A and B are independently optionally further substituted.
    Type: Application
    Filed: July 22, 2010
    Publication date: January 27, 2011
    Applicant: Sterix, Limited
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victory Lloyd Potter
  • Patent number: 7763642
    Abstract: There is provided a compound of Formula I wherein X, Y and Z are each independently of each other an optional linker group; R1 is a ring system; R2 is selected from hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2) and halogens; R3 and R4 are independently selected from H and hydrocarbyl, ring A and B are independently optionally further substituted.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: July 27, 2010
    Assignee: Sterix Ltd.
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victory Lloyd Potter
  • Patent number: 7745472
    Abstract: There is provided a compound of Formula I wherein each T is independently selected from H, hydrocarbyl, —F—R, and a bond with one of D, E, P or Q, or together with one of P and Q forms a ring; Z is a suitable atom the valency of which is m; D, E and F are each independently of each other an optional linker group, wherein when Z is nitrogen E is other than CH2 and C?O; P, Q and R are independently of each other a ring system; and at least Q comprises a sulphamate group.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: June 29, 2010
    Assignee: Sterix Limited
    Inventors: Barry Victor Lloyd Potter, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
  • Publication number: 20090111862
    Abstract: There is provided a compound of Formula I wherein each T is independently selected from H, hydrocarbyl, —F—R, and a bond with one of D, E, P or Q, or together with one of P and Q forms a ring; Z is a suitable atom the valency of which is m; D, E and F are each independently of each other an optional linker group, wherein when Z is nitrogen E is other than CH2 and C?O; P, Q and R are independently of each other a ring system; and at least Q comprises a sulphamate group.
    Type: Application
    Filed: March 27, 2008
    Publication date: April 30, 2009
    Inventors: Barry Victor Lloyd POTTER, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
  • Patent number: 7361677
    Abstract: There is provided a compound of Formula I wherein each T is independently selected from H, hydrocarbyl, —F—R, and a bond with one of D, E, P or Q, or together with one of P and Q forms a ring; Z is a suitable atom the valency of which is m; D, E and F are each independently of each other an optional linker group, wherein when Z is nitrogen E is other than CH2 and C?O; P, Q and R are independently of each other a ring system; and at least Q comprises a sulphamate group.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: April 22, 2008
    Assignee: Sterix, Ltd.
    Inventors: Barry Victor Lloyd Potter, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
  • Publication number: 20070225256
    Abstract: The present invention provides a compound comprising a steroidal ring system and an optional group R1 selected from any one of —OH, a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group; wherein the A ring of the steroidal ring system is optionally substituted at position 2 or 4 with a group R4 which may be a suitable subtituent, wherein the D ring of the steroidal ring system is substituted by a group R2 of the formula -L-R3, wherein L is an optional linker group and R3 is selected from groups which are or which comprise one of (i) —SO2R5, wherein R5 is H, a hydrocarbyl group or a bond or group attached to the D ring; (ii) —NO2; (iii) —SOR6, wherein R6 is H or a hydrocarbyl group; (iv) —R7, wherein R7 is a halogen; (v) -alkyl; (vi) —C(?O)R3, wherein R3 is H or hydrocarbyl; (vii) —C?CR9, wherein R9 is H or hydrocarbyl; (viii) —OC(?O)NR10R11 wherein R10 and R11 are independently selected from H and hydrocarbyl; (ix), (x), (xi), (xii) and (xiii) are formula
    Type: Application
    Filed: March 22, 2007
    Publication date: September 27, 2007
    Inventors: Matthew Leese, Atul Purohit, Michael Reed, Fabrice Jourdan, Barry Victor Potter, Christian Bubert
  • Patent number: 7250526
    Abstract: A catalytic transfer hydrogenation process is provided. The catalyst employed in the process is a metal hydrocarbyl complex which is coordinated to defined bidentate ligands substituted with at least one group selected from an optionally substituted sulphonated hydrocarbyl group, a sulphonated perhalogenated hydrocarbyl group, or an optionally substituted sulphonated heterocyclyl group. Preferred metals include rhodium, ruthenium and iridium. Preferred bidentate ligands are diamines and aminoalcohols, particularly those comprising chiral centres. The hydrogen donor is advantageously a secondary alcohol or a mixture of triethylamine and formic acid. The process can be employed to transfer hydrogenate ketones and imines, which are preferably prochiral. Catalysts for use in such a process are also provided.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: July 31, 2007
    Assignee: NPIL Pharmaceuticals (UK) Limited
    Inventors: Andrew John Blacker, Christian Bubert, Jonathan Michael Jeremy Williams, Stephen Martin Brown
  • Publication number: 20070117855
    Abstract: There is provided a compound of Formula I wherein X, Y and Z are each independently of each other an optional linker group; R1 is a ring system; R2 is selected from hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2) and halogens; R3 and R4 are independently selected from H and hydrocarbyl, ring A and B are independently optionally further substituted.
    Type: Application
    Filed: December 4, 2006
    Publication date: May 24, 2007
    Inventors: Lok Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael Reed, Barry Victory Potter
  • Patent number: 7098343
    Abstract: There is provided a compound of Formula I wherein each T is independently selected from H, hydrocarbyl, —F—R, and a bond with one of D, E, P or Q, or together with one of P and Q forms a ring; Z is a suitable atom the valency of which is m; D, E and F are each independently of each other an optional linker group, wherein when Z is nitrogen E is other than CH2 and C?O; P, Q and R are independently of each other a ring system; and at least Q comprises a sulphamate group.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: August 29, 2006
    Assignee: Sterix, Limited
    Inventors: Barry Victor Lloyd Potter, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert