Patents by Inventor Andiappan Murugan

Andiappan Murugan 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).

  • Patent number: 11524951
    Abstract: The present invention relates to certain 2-(2,4,5-substituted-anilino)pyrimidine compounds and pharmaceutically acceptable salts thereof which may be useful in the treatment or prevention of a disease or medical condition mediated through certain mutated forms of epidermal growth factor receptor (for example the L858R activating mutant, the Exon19 deletion activating mutant and the T790M resistance mutant). Such compounds and salts thereof may be useful in the treatment or prevention of a number of different cancers. The invention also relates to pharmaceutical compositions comprising said compounds and salts thereof, especially useful polymorphic forms of these compounds and salts, intermediates useful in the manufacture of said compounds and to methods of treatment of diseases mediated by various different forms of EGFR using said compounds and salts thereof.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: December 13, 2022
    Assignee: AstraZeneca AB
    Inventors: Sam Butterworth, Maurice Raymond Verschoyle Finlay, Richard Andrew Ward, Heather Marie Redfearn, Vasantha Krishna Kadambar, Chandrasekhara Reddy Chintakuntla, Andiappan Murugan, Claudio Edmundo Chuaqui
  • Publication number: 20210130318
    Abstract: The present invention relates to certain 2-(2,4,5-substituted-anilino)pyrimidine compounds and pharmaceutically acceptable salts thereof which may be useful in the treatment or prevention of a disease or medical condition mediated through certain mutated forms of epidermal growth factor receptor (for example the L858R activating mutant, the Exon19 deletion activating mutant and the T790M resistance mutant). Such compounds and salts thereof may be useful in the treatment or prevention of a number of different cancers. The invention also relates to pharmaceutical compositions comprising said compounds and salts thereof, especially useful polymorphic forms of these compounds and salts, intermediates useful in the manufacture of said compounds and to methods of treatment of diseases mediated by various different forms of EGFR using said compounds and salts thereof.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 6, 2021
    Inventors: Sam BUTTERWORTH, Maurice Raymond Verschoyle FINLAY, Richard Andrew WARD, Heather Marie REDFEARN, Vasantha Krishna KADAMBAR, Chandrasekhara Reddy CHINTAKUNTLA, Andiappan MURUGAN, Claudio Edmundo CHUAQUI
  • Publication number: 20210002275
    Abstract: The present application relates to a process for the preparation of crystalline form A of palbociclib having specific surface area more than 2 m2/g comprising one-pot process for the preparation of compound of formula (IV). The present application further relates to the preparation of acid-addition salts of palbociclib and their use for the synthesis of crystalline form A of palbociclib having specific surface area more than 2 m2/g.
    Type: Application
    Filed: September 14, 2020
    Publication date: January 7, 2021
    Inventors: Andiappan MURUGAN, Vipinkumar Shriram KABRA, Chinna Saida Reddy GADE, Rama Rao GONDU, Shravankumar CHANDRASHEKAR, Krishnamoorthy PASUPATHY, Anandan KALAISELVAN
  • Patent number: 10858336
    Abstract: The present invention relates to certain 2-(2,4,5-substituted-anilino)pyrimidine compounds and pharmaceutically acceptable salts thereof which may be useful in the treatment or prevention of a disease or medical condition mediated through certain mutated forms of epidermal growth factor receptor (for example the L858R activating mutant, the Exon19 deletion activating mutant and the T790M resistance mutant). Such compounds and salts thereof may be useful in the treatment or prevention of a number of different cancers. The invention also relates to pharmaceutical compositions comprising said compounds and salts thereof, especially useful polymorphic forms of these compounds and salts, intermediates useful in the manufacture of said compounds and to methods of treatment of diseases mediated by various different forms of EGFR using said compounds and salts thereof.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: December 8, 2020
    Assignee: AstaZeneca AB
    Inventors: Sam Butterworth, Maurice Raymond Verschoyle Finlay, Richard Andrew Ward, Heather Marie Redfearn, Vasantha Krishna Kadambar, Chandrasekhara Reddy Chintakuntla, Andiappan Murugan, Claudio Edmundo Chuaqui
  • Patent number: 10807978
    Abstract: The present application relates to a process for the preparation of crystalline form A of palbociclib having specific surface area more than 2 m2/g comprising one-pot process for the preparation of compound of formula (IV). The present application further relates to the preparation of acid-addition salts of palbociclib and their use for the synthesis of crystalline form A of palbociclib having specific surface area more than 2 m2/g.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: October 20, 2020
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Andiappan Murugan, Vipinkumar Shriram Kabra, Chinna Saida Reddy Gade, Rama Rao Gondu, Shravankumar Chandrashekar, Krishnamoorthy Pasupathy, Anandan Kalaiselvan
  • Publication number: 20190389834
    Abstract: The present invention relates to certain 2-(2,4,5-substituted-anilino)pyrimidine compounds and pharmaceutically acceptable salts thereof which may be useful in the treatment or prevention of a disease or medical condition mediated through certain mutated forms of epidermal growth factor receptor (for example the L858R activating mutant, the Exon19 deletion activating mutant and the T790M resistance mutant). Such compounds and salts thereof may be useful in the treatment or prevention of a number of different cancers. The invention also relates to pharmaceutical compositions comprising said compounds and salts thereof, especially useful polymorphic forms of these compounds and salts, intermediates useful in the manufacture of said compounds and to methods of treatment of diseases mediated by various different forms of EGFR using said compounds and salts thereof.
    Type: Application
    Filed: June 19, 2019
    Publication date: December 26, 2019
    Applicant: AstraZeneca AB
    Inventors: Sam Butterworth, Maurice Raymond Verschoyle Finlay, Richard Andrew Ward, Heather Marie Redfearn, Vasantha Krishna KADAMBAR, Chandrasekhara Reddy CHINTAKUNTLA, Andiappan MURUGAN, Claudio Edmundo CHUAQUI
  • Publication number: 20190241561
    Abstract: The present application relates to a process for the preparation of crystalline form A of palbociclib having specific surface area more than 2 m2/g comprising one-pot process for the preparation of compound of formula (IV). The present application further relates to the preparation of acid-addition salts of palbociclib and their use for the synthesis of crystalline form A of palbociclib having specific surface area more than 2 m2/g.
    Type: Application
    Filed: July 3, 2017
    Publication date: August 8, 2019
    Inventors: Andiappan MURUGAN, Vipinkumar Shriram KABRA, Chinna Saida Reddy GADE, Rama Rao GONDU, Shravankumar CHANDRASHEKAR, Krishnamoorthy PASUPATHY, Anandan KALAISELVAN
  • Publication number: 20190092746
    Abstract: The present invention relates to certain 2-(2,4,5-substituted-anilino)pyrimidine compounds and pharmaceutically acceptable salts thereof which may be useful in the treatment or prevention of a disease or medical condition mediated through certain mutated forms of epidermal growth factor receptor (for example the L858R activating mutant, the Exon19 deletion activating mutant and the T790M resistance mutant). Such compounds and salts thereof may be useful in the treatment or prevention of a number of different cancers. The invention also relates to pharmaceutical compositions comprising said compounds and salts thereof, especially useful polymorphic forms of these compounds and salts, intermediates useful in the manufacture of said compounds and to methods of treatment of diseases mediated by various different forms of EGFR using said compounds and salts thereof.
    Type: Application
    Filed: May 29, 2018
    Publication date: March 28, 2019
    Applicant: AstraZeneca AB
    Inventors: Sam Butterworth, Maurice Raymond Verschoyle Finlay, Richard Andrew Ward, Heather Marie Redfearn, Vasantha Krishna KADAMBAR, Chandrashekar Reddy C MURUGAN, Andiappan MURUGAN
  • Publication number: 20160002261
    Abstract: Processes for the preparation of the compound of formula II and intermediate compounds for use in the processes.
    Type: Application
    Filed: September 17, 2015
    Publication date: January 7, 2016
    Inventors: Neil Barnwell, Philip Cornwall, Duncan Michael Gill, Gareth P. Howell, Rebecca Elizabeth Meadows, Eric Merifield, Christopher William Mitchell, Andiappan Murugan, Philip O Keefe, Zakariya Mohamed Patel, James Barry Rose, John Singleton, Jane Withnall
  • Publication number: 20150119379
    Abstract: The present invention relates to certain 2-(2,4,5-substituted-anilino)pyrimidine compounds and pharmaceutically acceptable salts thereof which may be useful in the treatment or prevention of a disease or medical condition mediated through certain mutated forms of epidermal growth factor receptor (for example the L858R activating mutant, the Exon19 deletion activating mutant and the T790M resistance mutant). Such compounds and salts thereof may be useful in the treatment or prevention of a number of different cancers. The invention also relates to pharmaceutical compositions comprising said compounds and salts thereof, especially useful polymorphic forms of these compounds and salts, intermediates useful in the manufacture of said compounds and to methods of treatment of diseases mediated by various different forms of EGFR using said compounds and salts thereof.
    Type: Application
    Filed: December 19, 2014
    Publication date: April 30, 2015
    Applicant: AstraZeneca AB
    Inventors: Sam Butterworth, Maurice Raymond Verschoyle Finlay, Richard Andrew Ward, Heather Marie Redfearn, Chandrasekhara Reddy Chintakuntla, Claudio Edmundo Chuaqui, Vasantha Krishna Kadambar, Andiappan Murugan
  • Publication number: 20140364601
    Abstract: Processes for the preparation of the compound of formula (II) and intermediate compounds for use in the processes.
    Type: Application
    Filed: May 11, 2012
    Publication date: December 11, 2014
    Applicant: ASTRAZENECA AB
    Inventors: Neil Barnwell, Philip Cornwall, Duncan Michael Gill, Gareth P. Howell, Rebecca Elizabeth Meadows, Andiappan Murugan, Philip O'Keefe, John Singleton, Jane Withnall, Eric Merifield, Christopher William Mitchell, Zakariya Mohamed Patel, James Barry Rose
  • Patent number: 8436024
    Abstract: The invention provides compounds of formula wherein R1, R3, R4, R5, R6, R7, L, X and Y are as defined in the specification; together with processes and intermediates for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of human neutrophil elastase.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: May 7, 2013
    Assignee: Astrazeneca AB
    Inventors: Andiappan Murugan, Lena Kristina Bergstrom, Anna Kristoffersson, Martin Lindsjö, Peter Olof Sjö, Mark David Ashton, Jon Meigh
  • Publication number: 20130053409
    Abstract: The present invention relates to certain 2-(2,4,5-substituted-anilino)pyrimidine compounds and pharmaceutically acceptable salts thereof which may be useful in the treatment or prevention of a disease or medical condition mediated through certain mutated forms of epidermal growth factor receptor (for example the L858R activating mutant, the Exon19 deletion activating mutant and the T790M resistance mutant). Such compounds and salts thereof may be useful in the treatment or prevention of a number of different cancers. The invention also relates to pharmaceutical compositions comprising said compounds and salts thereof, especially useful polymorphic forms of these compounds and salts, intermediates useful in the manufacture of said compounds and to methods of treatment of diseases mediated by various different forms of EGFR using said compounds and salts thereof.
    Type: Application
    Filed: July 25, 2012
    Publication date: February 28, 2013
    Applicant: ASTRAZENECA AB
    Inventors: Sam BUTTERWORTH, Maurice Raymond Verschoyle FINLAY, Richard Andrew WARD, Vasantha Krishna KADAMBAR, Chandrashekar Reddy C MURUGAN, Andiappan MURUGAN, Heather Marie REDFEARN
  • Publication number: 20110082155
    Abstract: The invention provides compounds of formula wherein R1, R3, R4, R5, R6, R7, L, X and Y are as defined in the specification; together with processes and intermediates for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of human neutrophil elastase.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 7, 2011
    Applicant: AstraZeneca AB
    Inventors: Andiappan Murugan, Lena Kristina Bergstrom, Anna Kristoffersson, Martin Lindsjö, Peter Olof Sjö, Mark David Ashton, Jon Meigh
  • Publication number: 20070259948
    Abstract: The present invention relates to compounds of formula (1), its solvates and pharmaceutically acceptable salts having antifungal activity and its pharmaceutical composition comprising an effective amount of compound of formula (1) wherein R is substituted alkyl, alkenyl, aryl, heteroaryl, 2-thienyl, 3-thienyl, halothienyl, haloalkyl, halophenyl, or pyrrolyl; and R1 and R2, each independent of the other, are hydrogen, halogen, or alkoxy. The invention also relates to a process for the preparation of said compounds by contacting the intermediate alcohol, prepared from 1,2-O-isopropylideneglyceraldehyde and substituted phenylacetates, with acid chlorides under appropriate conditions to obtain some of the preferred compounds of the invention.
    Type: Application
    Filed: August 4, 2006
    Publication date: November 8, 2007
    Inventors: Mukund Keshav Gurjar, Radhika Dilip Wakharkar, Hanumant Bapurao Borate, Ramesh Ganesh Kelkar, Andiappan Murugan, Mohan Anand Chandavarkar, Shreerang Vidyadhar Joshi, Sharangi Ravindra Vaiude