Patents by Inventor Sunanda G. Dastidar

Sunanda G. Dastidar 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: 8846910
    Abstract: The present invention relates to ?-hydroxy and amino-substituted carboxylic acids, which act as matrix metalloproteinase inhibitors, particularly diastereomerically pure ?-hydroxy carboxylic acids, corresponding processes for their synthesis, and pharmaceutical compositions containing the compounds of the present invention. Compounds of the present invention are useful in the treatment of various inflammatory, autoimmune, and allergic diseases, such as methods of treating asthma, rheumatoid arthritis, COPD, rhinitis, osteoarthritis, psoriatic arthritis, psoriasis, pulmonary fibrosis, wound healing disorders, pulmonary inflammation, acute respiratory distress syndrome, perodontitis, multiple sclerosis, gingivitis, atherosclerosis, neointimal proliferation, which leads to restenosis and ischemic heart failure, stroke, renal diseases, tumor metastasis, and other inflammatory disorders characterized by the over-expression and over-activation of a matrix metalloproteinase.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: September 30, 2014
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Viswajanani J. Sattigeri, Venkata P. Palle, Manoj Kumar Khera, Ranadheer Reddy, Manoj Kumar Tiwari, Ajay Soni, Abdul Rehman Abdul Rauf, Sony Joseph, Arpita Musib, Sunanda G. Dastidar, Punit Kumar Srivastava
  • Patent number: 8816073
    Abstract: The present invention relates to ?-hydroxy and amino-substituted carboxylic acids, which act as matrix metalloproteinase inhibitors, particularly diastereomerically pure ?-hydroxy carboxylic acids, corresponding processes for their synthesis, and pharmaceutical compositions containing the compounds of the present invention. Compounds of the present invention are useful in the treatment of various inflammatory, autoimmune, and allergic diseases, such as methods of treating asthma, rheumatoid arthritis, COPD, rhinitis, osteoarthritis, psoriatic arthritis, psoriasis, pulmonary fibrosis, wound healing disorders, pulmonary inflammation, acute respiratory distress syndrome, perodontitis, multiple sclerosis, gingivitis, atherosclerosis, neointimal proliferation, which leads to restenosis and ischemic heart failure, stroke, renal diseases, tumor metastasis, and other inflammatory disorders characterized by the over-expression and over-activation of a matrix metalloproteinase.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: August 26, 2014
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Viswajanani J. Sattigeri, Venkata P. Palle, Manoj Kumar Khera, Ranadheer Reddy, Manoj Kumar Tiwari, Ajay Soni, Abdul Rehman Abdul Rauf, Sony Joseph, Arpita Musib, Sunanda G. Dastidar, Punit Kumar Sricastava
  • Patent number: 8710261
    Abstract: The present invention relates to Compounds having the structure of Formula I: wherein n is an integer from 1 to 5; R1 is optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, aralkyl, alkoxy, aryloxy, alkenyloxy or alkynyloxy; R2 is alkenyl, allcynyl, aryl, heterocyclyl, heteroaryl, cycloalkyl, NR4R5, —NHC(?Y)R4, —NHC(?Y)NR5R?, —NHC(?O)OR4, —NHSO2R4, C(?Y)NR4R5, C(?O)OR6 [wherein Y is oxygen or sulphur], OR5, —O(C?O)NR4R5, O-acyl, S(O)mR4, —SO2N(R4)2, cyano, amidino or guanidino [wherein R4 is alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, aralkyl, heteroarylalkyl, heterocyclylalkyl or cycloalkylalkyl and m is an integer 0-2; R5 is hydrogen or R4; Rx is R4 or —SO2N(R4)2 and R6 is hydrogen, alkyl, cycloalkyl, aralkyl, heteroarylalkyl, heterocyclylalkyl or cycloalkylalkyl]; R3 is hydrogen, fluorine, alkyl, cycloalkylalkyl or aralkyl; A is OH, OR4, —OC(?O)NR4R5, O-acyl, NH2, NR4R5, —NHC(?Y)R4, —NHC(?Y)NR5Rx, —NHC(?O)OR4, —NHSO2R4, and to processes for t
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: April 29, 2014
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Venkata P. Palle, Viswajanani Jitendra Sattigeri, Manoj Kumar Khera, Sreedhara Rao Voleti, Abhijit Ray, Sunanda G. Dastidar
  • Publication number: 20130302378
    Abstract: The present invention relates to ?-hydroxy and amino-substituted carboxylic acids, which act as matrix metalloproteinase inhibitors, particularly diastereomerically pure ?-hydroxy carboxylic acids, corresponding processes for their synthesis, and pharmaceutical compositions containing the compounds of the present invention. Compounds of the present invention are useful in the treatment of various inflammatory, autoimmune, and allergic diseases, such as methods of treating asthma, rheumatoid arthritis, COPD, rhinitis, osteoarthritis, psoriatic arthritis, psoriasis, pulmonary fibrosis, wound healing disorders, pulmonary inflammation, acute respiratory distress syndrome, perodontitis, multiple sclerosis, gingivitis, atherosclerosis, neointimal proliferation, which leads to restenosis and ischemic heart failure, stroke, renal diseases, tumor metastasis, and other inflammatory disorders characterized by the over-expression and over-activation of a matrix metalloproteinase.
    Type: Application
    Filed: July 8, 2013
    Publication date: November 14, 2013
    Inventors: Viswajanani J. SATTIGERI, Venkata P. PALLE, Manoj Kumar KHERA, Ranadheer REDDY, Manoj Kumar TIWARI, Ajay SONI, Abdul Rehman Abdul RAUF, Sony JOSEPH, Arpita MUSIB, Sunanda G. DASTIDAR, Punit Kumar SRIVASTAVA
  • Publication number: 20130295141
    Abstract: The present invention relates to ?-hydroxy and amino-substituted carboxylic acids, which act as matrix metalloproteinase inhibitors, particularly diastereomerically pure ?-hydroxy carboxylic acids, corresponding processes for their synthesis, and pharmaceutical compositions containing the compounds of the present invention. Compounds of the present invention are useful in the treatment of various inflammatory, autoimmune, and allergic diseases, such as methods of treating asthma, rheumatoid arthritis, COPD, rhinitis, osteoarthritis, psoriatic arthritis, psoriasis, pulmonary fibrosis, wound healing disorders, pulmonary inflammation, acute respiratory distress syndrome, perodontitis, multiple sclerosis, gingivitis, atherosclerosis, neointimal proliferation, which leads to restenosis and ischemic heart failure, stroke, renal diseases, tumor metastasis, and other inflammatory disorders characterized by the over-expression and over-activation of a matrix metalloproteinase.
    Type: Application
    Filed: July 8, 2013
    Publication date: November 7, 2013
    Inventors: Viswajanani J. SATTIGERI, Venkata P. PALLE, Manoj Kumar KHERA, Ranadheer REDDY, Manoj Kumar TIWARI, Ajay SONI, Abdul Rehman Abdul RAUF, Sony JOSEPH, Arpita MUSIB, Sunanda G. DASTIDAR, Punit Kumar SRIVASTAVA
  • Patent number: 8507670
    Abstract: The present invention relates to ?-hydroxy and amino substituted carboxylic acids, which act as matrix metalloprotease inhibitors, particularly diastereomerically pure ?-hydroxy carboxylic acids, corresponding processes for the synthesis of and pharmaceutical compositions containing the compounds of the present invention. Compounds of the present invention are useful in the treatment of various inflammatory, autoimmune and allergic diseases, such as methods of treating asthma, rheumatoid arthritis, COPD, rhinitis, osteoarthritis, psoriatic arthritis, psoriasis, pulmonary fibrosis, wound healing disorders, pulmonary inflammation, acute respiratory distress syndrome, periodontitis, multiple sclerosis, gingivitis, atherosclerosis, neointimal proliferation, which leads to restenosis and ischemic heart failure, stroke, renal diseases, tumor metastasis, and other inflammatory disorders characterized by the over-expression and over-activation of a matrix metalloproteinase using the compounds.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: August 13, 2013
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Viswajanani J. Sattigeri, Venkata P. Palle, Manoj Kumar Khera, Ranadheer Reddy, Manoj Kumar Tiwari, Ajay Soni, Abdul Rehman Abdul Rauf, Sony Joseph, Arpita Musib, Sunanda G. Dastidar, Punit Kumar Srivastava
  • Patent number: 8420666
    Abstract: The present invention relates to phosphodiesterase (PDE) type 4, phosphodiesterase (PDE) type 7 and dual PDE type 4/PDE type 7 inhibitors.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: April 16, 2013
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Sonali Rudra, Nidhi Gupta, Lalit Kumar Baregama, Ritu Agarwal, Vinayak Vasantrao Khairnar, Mandadapu Raghu Ramaiah, Venkata P. Palle, Sarala Balachandran, Atul Kondaskar, Manohar Salla, Abhijit Ray, Sunanda G. Dastidar, Lalitha Vijaykrishnan
  • Publication number: 20120004201
    Abstract: The present invention relates to phosphodiesterase (PDE) type 4, phosphodiesterase (PDE) type 7 and dual PDE type 4/PDE type 7 inhibitors.
    Type: Application
    Filed: September 19, 2009
    Publication date: January 5, 2012
    Inventors: Sonali Rudra, Nidhi Gupta, Kakade Ganesh Chandrakant, Tarun Jain, Sreedhara Rao Voleti, Abhijit Ray, Sunanda G. Dastidar, Lalitha Vijaykrishnan
  • Publication number: 20110021473
    Abstract: The present invention relates to catechol derivatives of formula (I), which can be used as inhibitors of phosphodiesterase (PDPI) type 4 or type 7, Compounds disclosed herein can be useful in the treatment of CNS disorders, inflammatory diseases such as, AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases especially in humans. Processes for the preparation of disclosed compounds are provided, as well as pharmaceutical compositions containing the disclosed compounds, and their use as phosphodiesterase (PDE) type 4 or type 7 inhibitors.
    Type: Application
    Filed: September 22, 2007
    Publication date: January 27, 2011
    Inventors: Sonali Rudra, Nidhi Gupta, Lalit Kumar Baregama, Ritu Agarwal, Vinayak Vasantrao Khairnar, Saswati Chakladar, Mandadapu Raghu Ramaiah, Nagarajan Muthukamal, Sarala Balachandran, Sarika Ramnani, Venkata P. Palle, Sunanda G. Dastidar, Abhijit Ray, Lalitha Vijaykrishan, Jitendra Sattigeri
  • Publication number: 20100292196
    Abstract: The present invention relates to phosphodiesterase (PDE) type 4, phosphodiesterase (PDE) type 7 and dual PDE type 4/PDE type 7 inhibitors.
    Type: Application
    Filed: March 14, 2008
    Publication date: November 18, 2010
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sonali Rudra, Nidhi Gupta, Lalit Kumar Baregama, Ritu Agarwal, Vinayak Vasantrao Khairnar, Mandadapu Raghu Ramaiah, Venkata P. Palle, Sarala Balachandran, Atul Kondaskar, Manohar Salla, Abhijit Ray, Sunanda G. Dastidar, Lalitha Vijaykrishnan
  • Patent number: 7825147
    Abstract: The present invention relates to isoxazoline derivatives, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. In particular, compounds disclosed herein can be useful in the treatment of AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases in a patient, particularly in humans. The present invention also relates to processes for the preparation of disclosed compounds, as well as pharmaceutical compositions thereof, and their use as phosphodiesterase (PDE) type IV inhibitors.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: November 2, 2010
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Venkata P. Palle, Sarala Balachandran, Mohammad Salman, Gagan Kukreja, Nidhi Gupta, Abhijit Ray, Sunanda G. Dastidar
  • Patent number: 7781460
    Abstract: The present invention relates to isoxazoline derivatives of structure Ia, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. Compounds disclosed herein can be useful in the treatment of CNS disorders, AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases especially in humans. Processes for the preparation of disclosed compounds are provided, as well as pharmaceutical compositions containing the disclosed compounds, and their use as phosphodiesterase (PDE) type IV inhibitors.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: August 24, 2010
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Venkata Palle, Sarala Balachandran, Lalit Kumar Baregama, Saswati Chakladar, Sarika Ramnani, Nagarajan Muthukamal, Abhijit Ray, Sunanda G. Dastidar
  • Publication number: 20100081610
    Abstract: The present invention relates to ?-hydroxy and amino substituted carboxylic acids, which act as matrix metalloprotease inhibitors, particularly diastereomerically pure ?-hydroxy carboxylic acids, corresponding processes for the synthesis of and pharmaceutical compositions containing the compounds of the present invention. Compounds of the present invention are useful in the treatment of various inflammatory, autoimmune and allergic diseases, such as methods of treating asthma, rheumatoid arthritis, COPD, rhinitis, osteoarthritis, psoriatic arthritis, psoriasis, pulmonary fibrosis, wound healing disorders, pulmonary inflammation, acute respiratory distress syndrome, perodontitis, multiple sclerosis, gingivitis, atherosclerosis, neointimal proliferation, which leads to restenosis and ischemic heart failure, stroke, renal diseases, tumor metastasis, and other inflammatory disorders characterized by the over-expression and over-activation of a matrix metalloproteinase using the compounds.
    Type: Application
    Filed: August 21, 2007
    Publication date: April 1, 2010
    Inventors: Viswajanani J. Sattigeri, Venkata P. Palle, Manoj Kumar Khera, Ranaheer Reddy, Manoj Kumar Tiwari, Ajay Soni, Abdul Rehman Abdul Rauf, Sony Joseph, Arpita Musib, Sunanda G. Dastidar, Punit Kumar Srivastava
  • Publication number: 20100029728
    Abstract: The present invention relates to phosphodiesterase (PDE) type IV selective inhibitors. Compounds disclosed herein can be useful in the treatment of CNS diseases, AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases especially in humans. Processes for the preparation of disclosed compounds, pharmaceutical compositions containing the disclosed compounds, and their use as PDE type IV selective inhibitors, are provided.
    Type: Application
    Filed: September 22, 2007
    Publication date: February 4, 2010
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sarala Balachandran, Nidhi Gupta, Vinayak Vasantrao Khairnar, Sonali Rudra, Venkata P. Palle, Sunanda G. Dastidar
  • Publication number: 20100004215
    Abstract: Provided herein are pharmaceutical compositions comprising one or more phosphodiesterase inhibitors of type IV (“PDE-IV”), and at least one other active ingredient such as muscarinic receptor antagonists (MRA), ?2-agonists, p38 MAP Kinase inhibitors, or corticosteroids and optionally one or more pharmaceutically acceptable excipients. In addition, methods of treating autoimmune, inflammatory or allergic diseases or disorders are provided.
    Type: Application
    Filed: April 25, 2008
    Publication date: January 7, 2010
    Inventors: Abhijit Ray, Sunanda G. Dastidar, Rajkumar Shirumalla, Suman Gupta
  • Publication number: 20090221664
    Abstract: Provided herein are pharmaceutical compositions comprising one or more muscarinic receptor antagonists (“MRA”), and at least one additional active ingredients selected from one or more ?2-agonists, p38 MAP kinase inhibitors, PDE-IV inhibitors, corticosteroids or a mixture thereof and optionally one or more pharmaceutically acceptable carriers, excipients or diluents. In addition, methods of treating autoimmune, inflammatory or allergic diseases or disorders are provided.
    Type: Application
    Filed: October 19, 2006
    Publication date: September 3, 2009
    Inventors: Abhijit Ray, Sunanda G. Dastidar, Rajkumar Shirumalla, Shivani Malhotra
  • Publication number: 20090221566
    Abstract: The present invention relates to oxazine derivatives, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. Compounds disclosed herein can be useful in the treatment of CMS disorders, AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases especially in humans. Processes for the preparation of disclosed compounds are provided, as well as pharmaceutical compositions containing the disclosed compounds, and their use as phosphodiesterase (PDE) type IV inhibitors.
    Type: Application
    Filed: October 5, 2006
    Publication date: September 3, 2009
    Inventors: Venkata P. Palle, Sarala Balachandran, Sarika Ramnani, Abhijit Ray, Sunanda G. Dastidar
  • Publication number: 20090054382
    Abstract: Provided herein are pharmaceutical compositions comprising one or more phosphodiesterase inhibitors of type IV (“PDE-IV”), and at least one other active ingredients selected from muscarinic receptor antagonists (MRA), ?2-agonists, p38 MAP Kinase inhibitors, and corticosteroids and optionally one or more pharmaceutically acceptable excipients and/or other therapeutic agents. In addition, methods of treating autoimmune, inflammatory or allergic diseases or disorders are provided.
    Type: Application
    Filed: October 19, 2006
    Publication date: February 26, 2009
    Inventors: Abhijit Ray, Sunanda G. Dastidar, Rajkumar Shirumalla, Suman Gupta
  • Publication number: 20090048247
    Abstract: The present invention relates to isoxazoline derivatives, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. In particular, compounds disclosed herein can be useful in the treatment of AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases in a patient, particularly in humans. The present invention also relates to processes for the preparation of disclosed compounds, as well as pharmaceutical compositions thereof, and their use as phosphodiesterase (PDE) type IV inhibitors.
    Type: Application
    Filed: February 13, 2006
    Publication date: February 19, 2009
    Inventors: Venkata P. Palle, Sarala Balachandran, Nidhi Gupta, Nagarajan Muthukamal, Mandadapu Raghu Ramaiah, Manoj Kumar Khera, Lailt Kumar Baregama, Vinayak Vasantrao Khairnar, Abhijit Ray, Sunanda G. Dastidar
  • Publication number: 20080312285
    Abstract: The present invention relates to isoxazoline derivatives of structure Ia, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. Compounds disclosed herein can be useful in the treatment of CNS disorders, AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases especially in humans. Processes for the preparation of disclosed compounds are provided, as well as pharmaceutical compositions containing the disclosed compounds, and their use as phosphodiesterase (PDE) type IV inhibitors.
    Type: Application
    Filed: August 30, 2006
    Publication date: December 18, 2008
    Inventors: Venkata Palle, Sarala Balachandran, Lalit Kumar Baregama, Saswati Chakladar, Sarika Ramnani, Nagarajan Muthukamal, Abhijit Ray, Sunanda G. Dastidar