Patents by Inventor Srinivasa Krishna Murthy Konduri

Srinivasa Krishna Murthy Konduri 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).

  • NOVEL PROCESS FOR THE PREPARATION OF ACALABRUTINIB AND ITS INTERMEDIATES
    Publication number: 20230081911
    Abstract: The present invention relates to an improved and industrially viable process for the preparation of Acalabrutinib and its Intermediates. The present invention involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale. The present invention relates to process for the preparation Acalabrutinib of formula (1) and process for the preparation of Acalabrutinib key starting material.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 16, 2023
    Inventors: Shankar Reddy BUDIDETI, Srinivasa Krishna Murthy KONDURI, Jagan Mohan Reddy SANAPUREDDY, Ravi Kumar REMELLA, Sandeep Kumar THOOTA, Sunitha KOTHAMUNIREDDYGARI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • Process for the preparation of N-(3-ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride
    Patent number: 11091470
    Abstract: Present invention relates to an improved process for the preparation of N—(3-ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride of formula-I.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: August 17, 2021
    Assignee: NATCO PHARMA LIMITED
    Inventors: Pulla Reddy Muddasani, Shankar Reddy Budideti, Srinivasa Krishna Murthy Konduri, Nagalingam Samatham, Venkaiah Chowdary Nannapaneni
  • AN IMPROVED PROCESS FOR THE PREPARATION OF N-(3-ETHYNYLPHENYL)-7-METHOXY-6-(3- MORPHOLINOPROPOXY) QUINAZOLIN -4-AMINE DIHYDROCHLORIDE
    Publication number: 20200331899
    Abstract: Present invention relates to an improved process for the preparation of N-(3-ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride of formula-I.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 22, 2020
    Inventors: Pulla Reddy MUDDASANI, Shankar Reddy BUDIDETI, Srinivasa Krishna Murthy KONDURI, Nagalingam SAMATHAM, Venkaiah Chowdary NANNAPANENI
  • 7-(morpholinyl)-2-(N-piperazinyl) methyl thieno [2, 3-C] pyridine derivatives as anticancer drugs
    Patent number: 10106554
    Abstract: The present invention relates to novel series of substituted 7-(morpholinyl)-2-(N-piperazinyl)-methyl thieno [2, 3-c] pyridines of the following structure of formula I. Where in R1, R2, R3 and R4 are defined.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: October 23, 2018
    Assignee: NATCO PHARMA LIMITED
    Inventors: Durga Prasad Konakanchi, Subba Rao Pula, Rama Krishna Pilli, Lakshmana Viswa Venkata Pavan Kumar Maddula, Srinivasa Krishna Murthy Konduri, Janaki Rama Rao Ravi, Naga Vasanta Srinivasu Vuppalapati, Sandeep Kumar Thoota, Pulla Reddy Muddasani, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni
  • 7-(MORPHOLINYL)-2-(N-PIPERAZINYL) METHYL THIENO [2, 3-C] PYRIDINE DERIVATIVES AS ANTICANCER DRUGS
    Publication number: 20170320891
    Abstract: The present invention relates to novel series of substituted 7-(morpholinyl)-2-(N-piperazinyl)-methyl thieno [2, 3-c] pyridines of the following structure of formula I. Where in R1, R2, R3 and R4 are defined.
    Type: Application
    Filed: December 11, 2014
    Publication date: November 9, 2017
    Inventors: Durga Prasad KONAKANCHI, Subba Rao PULA, Rama Krishna PILLI, Lakshmana Viswa Venkata Pavan Kumar MADDULA, Srinivasa Krishna Murthy KONDURI, Janaki Rama Rao RAVI, Naga Vasanta Srinivasu VUPPALAPATI, Sandeep Kumar THOOTA, Pulla Reddy MUDDASANI, Kali Satya Bhujanga Rao ADIBHATLA, Venkaiah Chowdary NANNAPANENI
  • Process for the preparation of high purity sunitinib and its pharmaceutically acceptable salt
    Patent number: 8501962
    Abstract: The present invention relates to an improved process for the preparation of N-[2-(diethylamino)ethyl]-5-[(Z)-(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidine)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide—Sunitinib base of formula (I) and its pharmaceutically acceptable malate salt of formula (I(a)).
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: August 6, 2013
    Assignee: Natco Pharma Limited
    Inventors: Srinivasa Krishna Murthy Konduri, Bhujanga Rao Adibhatla Kali Satya, Nannapaneni Venkaiah Chowdary
  • Polymorphic forms of Sunitinib base
    Patent number: 8466190
    Abstract: The present invention relates to novel polymorphic forms of N-[2-(diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)methyl-2,4-dimethyl-1H-pyrrole-3-carboxamide-Sunitinib base (I). The present invention also relates to methods of preparing such polymorphic crystals.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: June 18, 2013
    Assignee: Natco Pharma Limited
    Inventors: Srinivasa Krishna Murthy Konduri, Bhujanga Rao Adibhatla Kali Satya, Nannapaneni Venkaiah Chowdary
  • NOVEL POLYMORPHIC FORMS OF SUNITINIB BASE
    Publication number: 20110105580
    Abstract: The present invention relates to novel polymorphic forms of N-[2-(diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)methyl-2,4-dimethyl-1H-pyrrole-3-carboxamide-Sunitinib base (I). The present invention also relates to methods of preparing such polymorphic crystals.
    Type: Application
    Filed: April 16, 2008
    Publication date: May 5, 2011
    Inventors: Srinivasa Krishna Murthy Konduri, Bhujanga rao Adibhatla Kali Satya, Nannapaneni Venkaiah Chowdary
  • PROCESS FOR THE PREPARATION OF HIGH PURITY SUNITINIB AND ITS PHARMACEUTICALLY ACCEPTABLE SALT
    Publication number: 20110092717
    Abstract: The present invention relates to an improved process for the preparation of N-[2-(diethylamino)ethyl]-5-[(Z)-(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidine)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide—Sunitinib base of formula (I) and its pharmaceutically acceptable malate salt of formula (I(a)).
    Type: Application
    Filed: November 17, 2008
    Publication date: April 21, 2011
    Applicant: Natco Pharma Limited
    Inventors: Srinivasa Krishna Murthy Konduri, Bhujanga Rao Adibhatla Kali Satya, Nannapaneni Venkaiah Chowdary