Patents by Inventor Subho Roy
Subho Roy 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: 20220064111Abstract: The present invention relates to an improved and economical process for enantioselective synthesis and purification of a novel key intermediate of Brivaracetam. Further, the present invention also relates to a process for the preparation of a chirally pure Brivaracetam of formula I utilizing the said intermediate.Type: ApplicationFiled: January 17, 2020Publication date: March 3, 2022Applicant: CLININVENT RESEARCH PVT. LTD.Inventors: Sarabindu Roy, Angshuman Ghosh, Ramesh Dhondi Kubeer, Mutyala V. V. Vara Prasad, Gopal Paul, Abhishek Garai, Sourav Chakraborty, Animesh Haldar, Ajay Kumar Yadaw, Subho Roy
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Patent number: 8486996Abstract: The invention relates to novel substituted 2-(phenyl-, pyridyl- or pyrimidyl-carbonyl)-furanes and -thiophenes and related phenoxy/phenylthio-acetophenones and corresponding heterocyclic compounds, processes for the preparation thereof, pharmaceutical compositions containing same, the use thereof optionally in combination with one or more other pharmaceutically active compounds for the therapy of neoplastic diseases and autoimmune diseases, and a method for the treatment of such a diseases.Type: GrantFiled: May 12, 2006Date of Patent: July 16, 2013Assignee: Basilea Pharmaceutica AGInventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Goutam Saha, Subir Kumar Sadhukhan, Rohit Saxena, Sudhir Srivastava
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Patent number: 8288421Abstract: The invention relates to novel substituted 3-phenylamino-5-(3-aminophenyl)pyridines and corresponding pyrazines of formula (I), wherein A is CH or N, R1 represents C(?O)R9, S(?O)2R10, P(?O)(OR11)2, optionally substituted phenyl or optionally substituted heteroaryl, and the other substituents have the meaning described in the specification, processes for the preparation thereof, pharmaceutical compositions containing same, the use thereof optionally in combination with one or more other pharmaceutically active compounds for the therapy of neoplastic diseases and autoimmune diseases, and a method for the treatment of such a diseases.Type: GrantFiled: September 5, 2005Date of Patent: October 16, 2012Assignee: Basilea Pharmaceutica AGInventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Goutam Saha, Godhuli Nandi
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Patent number: 7951957Abstract: The invention relates to compounds of formula (I) wherein R represents aryl or heteroaryl, X is a bond, a carbonyl group, a derivative of a carbonyl group, an ethylene group or an ethylenecarbonyl group, R1 is optionally substituted amino or hydroxy, and the substituents R2 to R6 have the meanings given in the specification, to methods of synthesis of such compounds, to pharmaceutical compositions containing compounds of formula (I), to intermediates, to the use of a compounds of formula (I) as a medicament and for the preparation of a pharmaceutical composition for the treatment of neoplastic and autoimmune diseases, and to methods of treatment of neoplastic and autoimmune diseases using such compounds of formula (I) or of pharmaceutical compositions containing same.Type: GrantFiled: July 16, 2008Date of Patent: May 31, 2011Assignee: Basilea Pharmaceutica AGInventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
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Publication number: 20080287681Abstract: The invention relates to compounds of formula (I) wherein R represents aryl or heteroaryl, X is a bond, a carbonyl group, a derivative of a carbonyl group, an ethylene group or an ethylenecarbonyl group, R1 is optionally substituted amino or hydroxy, and the substituents R2 to R6 have the meanings given in the specification, to methods of synthesis of such compounds, to pharmaceutical compositions containing compounds of formula (I), to intermediates, to the use of a compounds of formula (I) as a medicament and for the preparation of a pharmaceutical composition for the treatment of neoplastic and autoimmune diseases, and to methods of treatment of neoplastic and autoimmune diseases using such compounds of formula (I) or of pharmaceutical compositions containing same.Type: ApplicationFiled: July 16, 2008Publication date: November 20, 2008Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
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Publication number: 20080221171Abstract: The invention relates to novel substituted 3-phenylamino-5-(3-aminophenyl)pyridines and corresponding pyrazines of formula (I), wherein A is CH, C-lower alkyl or N, R1 represents C(?O)R9, S(?O)2R10, P(?O)(OR11)2, optionally substituted phenyl or optionally substituted heteroaryl, and the other substituents have the meaning described in the specification, processes for the preparation thereof, pharmaceutical compositions containing same, the use thereof optionally in combination with one or more other pharmaceutically active compounds for the therapy of neoplastic diseases and autoimmune diseases, and a method for the treatment of such diseases.Type: ApplicationFiled: September 5, 2005Publication date: September 11, 2008Applicant: BASILEA PHARMACEUTICA AGInventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Goutam Saha, Godhuli Nandi
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Patent number: 7423157Abstract: The invention relates to compounds of formula (I) wherein R represents aryl or heteroaryl, X is a bond, a carbonyl group, a derivative of a carbonyl group, an ethylene group or an ethylenecarbonyl group, R1 is optionally substituted amino or hydroxy, and the substituents R2 to R6 have the meanings given in the specification, to methods of synthesis of such compounds, to pharmaceutical compositions containing compounds of formula (I), to intermediates, to the use of a compounds of formula (I) as a medicament and for the preparation of a pharmaceutical composition for the treatment of neoplastic and autoimmune diseases, and to methods of treatment of neoplastic and autoimmune diseases using such compounds of formula (I) or of pharmaceutical compositions containing same.Type: GrantFiled: August 9, 2006Date of Patent: September 9, 2008Assignee: Basilea Pharmaceutica AGInventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
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Patent number: 7385061Abstract: The invention relates to compounds of formula (I) wherein R represents aryl or heteroaryl, X is oxygen, a carbonyl group, an oxime derivative of a carbonyl group or an ?,?-unsaturated carbonyl group, and the substituents R1 to R6 have the meanings given in the specification, for use as medicaments, to novel compounds of formula (I), to methods of synthesis of such compounds, to pharmaceutical compositions containing compounds of formula (I), to the use of a compounds of formula (I) for the preparation of a pharmaceutical composition for the treatment of neoplastic and autoimmune diseases, and to methods of treatment of neoplastic and autoimmune diseases using such compounds of formula (I) or of pharmaceutical compositions containing sameType: GrantFiled: May 19, 2004Date of Patent: June 10, 2008Assignee: Basilea Pharmaceutica AGInventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
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Publication number: 20070167505Abstract: The invention relates to compounds of formula (I) wherein R represents aryl or heteroaryl, X is a bond, a carbonyl group, a derivative of a carbonyl group, an ethylene group or an ethylenecarbonyl group, R1 is optionally substituted amino or hydroxy, and the substituents R2 to R6 have the meanings given in the specification, to methods of synthesis of such compounds, to pharmaceutical compositions containing compounds of formula (I), to intermediates, to the use of a compounds of formula (I) as a medicament and for the preparation of a pharmaceutical composition for the treatment of neoplastic and autoimmune diseases, and to methods of treatment of neoplastic and autoimmune diseases using such compounds of formula (I) or of pharmaceutical compositions containing same.Type: ApplicationFiled: February 10, 2005Publication date: July 19, 2007Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
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Publication number: 20070066670Abstract: The invention relates to compounds of formula (I) wherein R represents aryl or heteroaryl, X is a bond, a carbonyl group, a derivative of a carbonyl group, an ethylene group or an ethylenecarbonyl group, R1 is optionally substituted amino or hydroxy, and the substituents R2 to R6 have the meanings given in the specification, to methods of synthesis of such compounds, to pharmaceutical compositions containing compounds of formula (I), to intermediates, to the use of a compounds of formula (I) as a medicament and for the preparation of a pharmaceutical composition for the treatment of neoplastic and autoimmune diseases, and to methods of treatment of neoplastic and autoimmune diseases using such compounds of formula (I) or of pharmaceutical compositions containing same.Type: ApplicationFiled: August 9, 2006Publication date: March 22, 2007Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
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Publication number: 20070043061Abstract: The invention relates to compounds of formula (I) wherein R represents aryl or heteroaryl, X is oxygen, a carbonyl group, an oxime derivative of a carbonyl group or an ?,?-unsaturated carbonyl group, and the substituents R1 to R6 have the meanings given in the specification, for use as medicaments, to novel compounds of formula (I), to methods of synthesis of such compounds, to pharmaceutical compositions containing compounds of formula (I), to the use of a compounds of formula (I) for the preparation of a pharmaceutical composition for the treatment of neoplastic and autoimmune diseases, and to methods of treatment of neoplastic and autoimmune diseases using such compounds of formula (I) or of pharmaceutical compositions containing same.Type: ApplicationFiled: May 19, 2004Publication date: February 22, 2007Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutham Saha
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Publication number: 20060205739Abstract: The invention relates to novel substituted 2-(phenyl-, pyridyl- or pyrimidyl-carbonyl)-furanes and -thiophenes and related phenoxy/phenylthio-acetophenones and corresponding heterocyclic compounds, processes for the preparation thereof, pharmaceutical compositions containing same, the use thereof optionally in combination with one or more other pharmaceutically active compounds for the therapy of neoplastic diseases and autoimmune diseases, and a method for the treatment of such a diseases.Type: ApplicationFiled: May 12, 2006Publication date: September 14, 2006Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Goutam Saha, Subir Sadhukhan, Rohit Saxena, Sudhir Srivastava
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Patent number: RE42890Abstract: The invention relates to compounds of formula (I) wherein R represents aryl or heteroaryl, X is oxygen, a carbonyl group, an oxime derivative of a carbonyl group or an ?,?-unsaturated carbonyl group, and the substituents R1 to R6 have the meanings given in the specification, for use as medicaments, to novel compounds of formula (I), to methods of synthesis of such compounds, to pharmaceutical compositions containing compounds of formula (I), to the use of a compounds of formula (I) for the preparation of a pharmaceutical composition for the treatment of neoplastic and autoimmune diseases, and to methods of treatment of neoplastic and autoimmune diseases using such compounds of formula (I) or of pharmaceutical compositions containing sameType: GrantFiled: May 19, 2004Date of Patent: November 1, 2011Assignee: Basilea Pharmaceutica AGInventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha