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).
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Publication number: 20240279222Abstract: 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: ApplicationFiled: June 1, 2022Publication date: August 22, 2024Inventors: Christian Bubert, Mark Peter Ridgill, Tommaso Canelli, David James Hardick
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Publication number: 20240101589Abstract: 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: ApplicationFiled: October 7, 2021Publication date: March 28, 2024Inventors: DAVID JAMES HARDICK, Wesley Peter Blackaby, Elizabeth Jane Thomas, Frederick Arthur Brookfield, Jon Shepherd, Christian Bubert, Mark Peter Ridgill
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Publication number: 20230391770Abstract: 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: ApplicationFiled: October 5, 2021Publication date: December 7, 2023Inventors: David James Hardick, Wesley Peter Blackaby, Elizabeth Jane Thomas, Frederick Arthur Brookfield, Jon Shepherd, Christian Bubert, Mark Peter Ridgill
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Patent number: 11725010Abstract: 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: GrantFiled: July 29, 2022Date of Patent: August 15, 2023Assignee: Storm Therapeutics LimitedInventors: Wesley Peter Blackaby, Elizabeth Jane Thomas, David James Hardick, Jon Shepherd, Frederick Arthur Brookfield, Christian Bubert, Mark Peter Ridgill
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Publication number: 20230116403Abstract: 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: ApplicationFiled: December 1, 2020Publication date: April 13, 2023Inventors: Wesley P. Blackaby, Ekizabeth Jane Thomas, David james Hardick, Jon Shepherd, Frederick Arthur Brookfield, Christian Bubert, Mark Peter Ridgill
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Publication number: 20230085408Abstract: 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: ApplicationFiled: April 3, 2020Publication date: March 16, 2023Inventors: Wesley Peter BLACKABY, David James HARDICK, Elizabeth Jane THOMAS, Frederick Arthur BROOKFIELD, Christian BUBERT, Jon SHEPHERD, Mark Peter RIDGILL
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Publication number: 20230002378Abstract: 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: ApplicationFiled: July 29, 2022Publication date: January 5, 2023Inventors: Wesley Peter Blackaby, Elizabeth Jane Thomas, David James Hardick, Jon Shepherd, Frederick Arthur Brookfield, Christian Bubert, Mark Peter Ridgill
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Patent number: 8846737Abstract: 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 R13Type: GrantFiled: August 23, 2010Date of Patent: September 30, 2014Assignee: Sterix LimitedInventors: Lok Wai Lawrence Woo, Christian Bubert, Paul Michael Wood, Aurélien Putey, Atul Purohit, Barry Victor Lloyd Potter
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Patent number: 8470860Abstract: 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: GrantFiled: July 22, 2010Date of Patent: June 25, 2013Assignee: Sterix LimitedInventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
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Publication number: 20120238550Abstract: 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 R13Type: ApplicationFiled: August 23, 2010Publication date: September 20, 2012Inventors: Lok Wai Lawrence Woo, Christian Bubert, Paul Michael Wood, Aurélien Putey, Atul Purohit, Barry Victor Lloyd Potter
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Patent number: 8003783Abstract: 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: GrantFiled: September 23, 2005Date of Patent: August 23, 2011Assignee: Sterix LimitedInventors: Nigel Vicker, Harshani Rithma Ruchiranani Lawrence, Gillian Margaret Allan, Christian Bubert, Delphine Sophie Marion Fischer, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
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Publication number: 20110021586Abstract: 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: ApplicationFiled: July 22, 2010Publication date: January 27, 2011Applicant: Sterix, LimitedInventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victory Lloyd Potter
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Patent number: 7763642Abstract: 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: GrantFiled: December 4, 2006Date of Patent: July 27, 2010Assignee: Sterix Ltd.Inventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victory Lloyd Potter
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Patent number: 7745472Abstract: 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: GrantFiled: March 27, 2008Date of Patent: June 29, 2010Assignee: Sterix LimitedInventors: Barry Victor Lloyd Potter, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
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Publication number: 20090111862Abstract: 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: ApplicationFiled: March 27, 2008Publication date: April 30, 2009Inventors: Barry Victor Lloyd POTTER, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
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Patent number: 7361677Abstract: 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: GrantFiled: August 22, 2005Date of Patent: April 22, 2008Assignee: Sterix, Ltd.Inventors: Barry Victor Lloyd Potter, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
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Publication number: 20070225256Abstract: 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 formulaType: ApplicationFiled: March 22, 2007Publication date: September 27, 2007Inventors: Matthew Leese, Atul Purohit, Michael Reed, Fabrice Jourdan, Barry Victor Potter, Christian Bubert
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Patent number: 7250526Abstract: 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: GrantFiled: November 29, 2001Date of Patent: July 31, 2007Assignee: NPIL Pharmaceuticals (UK) LimitedInventors: Andrew John Blacker, Christian Bubert, Jonathan Michael Jeremy Williams, Stephen Martin Brown
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Publication number: 20070117855Abstract: 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: ApplicationFiled: December 4, 2006Publication date: May 24, 2007Inventors: Lok Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael Reed, Barry Victory Potter
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Patent number: 7098343Abstract: 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: GrantFiled: November 20, 2002Date of Patent: August 29, 2006Assignee: Sterix, LimitedInventors: Barry Victor Lloyd Potter, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert