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).

  • Publication number: 20220064111
    Abstract: 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: Application
    Filed: January 17, 2020
    Publication date: March 3, 2022
    Applicant: 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
  • Patent number: 8486996
    Abstract: 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: Grant
    Filed: May 12, 2006
    Date of Patent: July 16, 2013
    Assignee: Basilea Pharmaceutica AG
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Goutam Saha, Subir Kumar Sadhukhan, Rohit Saxena, Sudhir Srivastava
  • Patent number: 8288421
    Abstract: 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: Grant
    Filed: September 5, 2005
    Date of Patent: October 16, 2012
    Assignee: Basilea Pharmaceutica AG
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Goutam Saha, Godhuli Nandi
  • Patent number: 7951957
    Abstract: 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: Grant
    Filed: July 16, 2008
    Date of Patent: May 31, 2011
    Assignee: Basilea Pharmaceutica AG
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
  • Publication number: 20080287681
    Abstract: 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: Application
    Filed: July 16, 2008
    Publication date: November 20, 2008
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
  • Publication number: 20080221171
    Abstract: 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: Application
    Filed: September 5, 2005
    Publication date: September 11, 2008
    Applicant: BASILEA PHARMACEUTICA AG
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Goutam Saha, Godhuli Nandi
  • Patent number: 7423157
    Abstract: 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: Grant
    Filed: August 9, 2006
    Date of Patent: September 9, 2008
    Assignee: Basilea Pharmaceutica AG
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
  • Patent number: 7385061
    Abstract: 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: Grant
    Filed: May 19, 2004
    Date of Patent: June 10, 2008
    Assignee: Basilea Pharmaceutica AG
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
  • Publication number: 20070167505
    Abstract: 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: Application
    Filed: February 10, 2005
    Publication date: July 19, 2007
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
  • Publication number: 20070066670
    Abstract: 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: Application
    Filed: August 9, 2006
    Publication date: March 22, 2007
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha
  • Publication number: 20070043061
    Abstract: 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: Application
    Filed: May 19, 2004
    Publication date: February 22, 2007
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutham Saha
  • Publication number: 20060205739
    Abstract: 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: Application
    Filed: May 12, 2006
    Publication date: September 14, 2006
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Goutam Saha, Subir Sadhukhan, Rohit Saxena, Sudhir Srivastava
  • Patent number: RE42890
    Abstract: 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: Grant
    Filed: May 19, 2004
    Date of Patent: November 1, 2011
    Assignee: Basilea Pharmaceutica AG
    Inventors: Martin Eberle, Felix Bachmann, Alessandro Strebel, Subho Roy, Sudhir Srivastava, Goutam Saha