Patents Assigned to Suven Life Science Limited
  • Patent number: 9636335
    Abstract: The present invention relates to novel compounds of formula (I), and their pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, and their pharmaceutically acceptable salts. The compounds of formula (I) are useful in the treatment of various disorders that are related to 5-HT4 receptors.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: May 2, 2017
    Assignee: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna Nirogi, Abdul Rasheed Mohammed, Suresh Yarlagadda, Srinivasa Rao Ravella, Anil Karbhari Shinde, Ramasastri Kambhampati, Praveen Kumar Roayapalley, Pradeep Jayarajan, Gopinadh Bhyrapuneni, Sriramachandra Murthy Patnala, Jyothsna Ravula, Venkateswarlu Jasti
  • Patent number: 9540321
    Abstract: A process suitable for adoption to large scale manufacture of 1-[(2-bromophenyl-sulfonyl]-5-methoxy-3-[(4-methyl-1-piperazinyl)methyl]-1H-indole dimesylate monohydrate, which is a selective 5-HT6 receptor antagonist intended for the symptomatic treatment of Alzheimer's disease and other disorders of memory and cognition like Attention deficient hyperactivity, Parkinson's and Schizophrenia.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: January 10, 2017
    Assignee: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna Nirogi, Rama Sastri Kambhampati, Anil Karbhari Shinde, Venkateswarlu Jasti
  • Patent number: 9518028
    Abstract: The present invention relates to process for the preparation of 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R,5S)-dihydroxy-(E)-6-heptenoic acid calcium having formula (I). The compound of formula (I) has adopted name “Rosuvastatin Calcium”. The present invention is also related to novel intermediates of formula (4) and formula (5) used in preparation of formula (I), and process of their preparation.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: December 13, 2016
    Assignee: SUVEN LIFE SCIENCES LIMITED
    Inventors: Udaya Bhaskara Rao Siripalli, Veera Reddy Arava, Rajendiran Chinnapillai, Anji Reddy Middekadi, Naresh Raju Makaraju, Venkateswarlu Jasti
  • Publication number: 20160311797
    Abstract: The present invention relates to novel indazole compounds of the Formula (I), wherein, R1 is alkyl or cycloalkyl; (Formula II) including their stereoisomers and their pharmaceutically acceptable salts. This invention also relates to methods of making such compounds and pharmaceutical compositions comprising such compounds. The compounds of this invention are useful in the treatment of various disorders that are related to 5-Hydroxy-tryptamine 4 (5-HT4) receptor agonists.
    Type: Application
    Filed: February 24, 2014
    Publication date: October 27, 2016
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Abdul Rasheed MOHAMMED, Anil Karbhari SHINDE, Shankar Reddy GAGGINAPALLY, Venkateswarlu JASTI
  • Publication number: 20160304468
    Abstract: The present invention relates to process for the preparation of 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R,5S)-dihydroxy-(E)-6-heptenoic acid calcium having formula (I). The compound of formula (I) has adopted name “Rosuvastatin Calcium”. The present invention is also related to novel intermediates of formula (4) and formula (5) used in preparation of formula (I), and process of their preparation.
    Type: Application
    Filed: November 18, 2013
    Publication date: October 20, 2016
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Udaya Bhaskara Rao SIRIPALLI, Veera Reddy ARAVA, Rajendiran CHINNAPILLAI, Anji Reddy MIDDEKADI, Naresh Raju MAKARAJU, Venkateswarlu JASTI
  • Publication number: 20160297759
    Abstract: A process suitable for adoption to large scale manufacture of 1-[(2-bromophenyl-sulfonyl]-5-methoxy-3-[(4-methyl-1-piperazinyl)methyl]-1H-indole dimesylate monohydrate, which is a selective 5-HT6 receptor antagonist intended for the symptomatic treatment of Alzheimer's disease and other disorders of memory and cognition like Attention deficient hyperactivity, Parkinson's and Schizophrenia.
    Type: Application
    Filed: February 20, 2014
    Publication date: October 13, 2016
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Rama Sastri KAMBHAMPATI, Anil Karbhari SHINDE, Venkateswarlu JASTI
  • Publication number: 20160280694
    Abstract: The present invention relates to novel quinoline compounds of formula (I), and their pharmaceutically acceptable salts and process for their preparation. The compounds of formula (I) are useful in the treatment of various disorders that are related to 5-HT4 receptor agonists.
    Type: Application
    Filed: October 18, 2013
    Publication date: September 29, 2016
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Anil Karbhari SHINDE, Venkateswarlu JASTI
  • Publication number: 20160200691
    Abstract: The present invention provides a process for the large scale production of 1H-[1,2,3]triazole of formula (I) and its intermediate 1-benzyl-1H-[1,2,3]triazole of formula (II) by using benzyl azide and vinyl acetate as starting materials. This process is economical, environment friendly and safer by avoiding use of special equipment.
    Type: Application
    Filed: January 27, 2014
    Publication date: July 14, 2016
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Veera Reddy Arava, Sashibhushan Malreddy, Chalapathi Lagupudi, Venkateswarlu Jasti
  • Patent number: 9328092
    Abstract: The present invention relates to novel acrylamide compounds of formula (I): wherein A, X, R1, and Y are as defined herein, and their pharmaceutically acceptable salts and process of their preparation. The compounds of formula (I) are useful in the treatment of various disorders that related to Histamine H3 receptors.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: May 3, 2016
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Adi Reddy Dwarampudi, Venkateswarlu Jasti
  • Patent number: 9079888
    Abstract: The present invention relates to novel compounds of formula (I), and their pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above compounds of formula (I), and their pharmaceutically acceptable salts. The compounds of formula (I) are useful in the treatment of various disorders that are related to Histamine H3 receptors.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: July 14, 2015
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Ramasastri Kambhampati, Amol Dinakar Deshpande, Adi Reddy Dwarampudi, Narasimhareddy Gangadasari, Sangram Keshari Saraf, Vishwottam Nagaraj Kandikere, Pradeep Jayarajan, Ishtiyaque Ahmad, Mohmadsadik Abdulhamid Mulla, Venkateswarlu Jasti
  • Patent number: 9018231
    Abstract: The present invention relates to novel sulfone compounds as 5-HT6 receptor ligands of the formula (I), and their derivatives, prodrugs, tautomers, stereoisomers, polymorphs, solvates, hydrates, metabolites, N-oxides, pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, and their derivatives, prodrugs, tautomers, stereoisomers, polymorphs, solvates, hydrates, metabolites, N-oxides, pharmaceutically acceptable salts and compositions containing them. These compounds are useful in the treatment/prevention of various disorders that are related to 5-HT6 receptor functions.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: April 28, 2015
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Rama Sastri Kambhampati, Rajesh Kumar Badange, Veena Reballi, Anil Kashinath Chindhe, Rambabu Namala, Mohamad Sadik Abdulhamid Mulla, Ishtiyaque Ahmad, Renny Abraham, Venkateswarlu Jasti
  • Patent number: 8912179
    Abstract: The present invention relates to heterocyclyl compounds of formula (I), and their pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, and their pharmaceutically acceptable salts. The compounds of formula (I) are useful in the treatment of various disorders that are related to Histamine H3 receptors, for example cognitive disorders, sleep disorders, obesity and pain.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: December 16, 2014
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Ramasastri Kambhampati, Rambabu Namala, Adi Reddy Dwarampudi, Laxman Kota, Murlimohan Gampa, Padmavathi Kodru, Taraka Naga Vinaykumar Tiriveedhi, Vishwottam Nagaraj Kandikere, Nageshwara Rao Muddana, Ramanatha Shrikantha Saralaya, Pradeep Jayarajan, Dhanalakshmi Shanmuganathan, Ishtiyaque Ahmad, Venkateswarlu Jasti
  • Publication number: 20140187581
    Abstract: The present invention relates to novel compounds of formula (I), and their pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, and their pharmaceutically acceptable salts. The compounds of formula (I) are useful in the treatment of various disorders that are related to 5-HT4 receptors.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 3, 2014
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna Nirogi, Abdul Rasheed Mohammed, Suresh Yarlagadda, Srinivasa Rao Ravella, Anil Karbhari Shinde, Ramasastri Kamphampati, Praveen Kumar Roayapalley, Pradeep Jayarajan, Gopinadh Bhyrapuneni, Sriramachandra Murthy Patnala, Jyothsna Ravula, Venkateswarlu Jasti
  • Publication number: 20140148440
    Abstract: The present invention relates to heterocyclyl compounds of formula (I), and their pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, and their pharmaceutically acceptable salts. The compounds of formula (I) are useful in the treatment of various disorders that are related to Histamine H3 receptors, for example cognitive disorders, sleep disorders, obesity and pain.
    Type: Application
    Filed: November 15, 2010
    Publication date: May 29, 2014
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Ramasastri Kambhampati, Rambabu Namala, Adi Reddy Dwarampudi, Laxman Kota, Murlimohan Gampa, Padmavathi Kodru, Taraka Naga Vinaykumar Tiriveedhi, Vishwottam Nagaraj Kandikere, Nageshwara Rao Muddana, Ramanatha Shrikantha Saralaya, Pradeep Jayarajan, Dhanalakshmi Shanmuganathan, Ishtiyaque Ahmad, Venkateswarlu Jasti
  • Patent number: 8735423
    Abstract: The present invention relates to novel bicyclic compounds of the formula (I), and their derivatives, prodrugs, tautomers, stereoisomers, polymorphs, solvates, hydrates, metabolites, N-oxides, pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, and their derivatives, prodrugs, tautomers, stereoisomers, polymorphs, solvates, hydrates, metabolites, N-oxides, pharmaceutically acceptable salts and compositions containing them. These compounds are useful in the treatment and prevention of various disorders that are related to ?4?2 nicotinic receptors.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: May 27, 2014
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Abdul Rasheed Mohammed, Srinivas Veeramalla, Srinivasa Rao Ravella, Ishtiyaque Ahmad, Pradeep Jayarajan, Anil Karbhari Shinde, Rama Sastri Kambhampti, Gopinadh Bhyrapuneni, Venkateswarlu Jasti
  • Publication number: 20140135304
    Abstract: The present invention relates to novel compounds of formula (I), and their pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, and their pharmaceutically acceptable salts. The compounds of formula (I) are useful in the treatment of various disorders that are related to Histamine H3 receptors.
    Type: Application
    Filed: June 7, 2011
    Publication date: May 15, 2014
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Ramasastri Kambhampati, Amol Dinakar Deshpande, Adi Reddy Dwarampudi, Narasimhareddy Gangadasari, Sangram Keshari Saraf, Vishwottam Nagaraj Kandikere, Pradeep Jayarajan, Ishtiyaque Ahmad, Mohmadsadik Abdulhamid Mulla, Venkateswarlu Jasti
  • Patent number: 8653071
    Abstract: The present invention relates to novel ?4?2 neuronal nicotinic acetylcholine receptor ligand compounds of the formula (I), and their derivatives, stereoisomers, pharmaceutically acceptable salts and compositions containing them. The present invention relates to novel ?4?2 neuronal nicotinic acetylcholine receptor ligand compounds of the formula (I), and their derivatives, stereoisomers, pharmaceutically acceptable salts and compositions containing them.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: February 18, 2014
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Abdul Rasheed Mohammed, Kana Ram Kumawat, Ishtiyaque Ahmad, Pradeep Jayarajan, Anil Karbhari Shinde, Nagaraj Vishwottam Kandikere, Koteshwara Mudigonda, Venkateswarlu Jasti
  • Patent number: 8598204
    Abstract: The present invention relates to novel 1,2-dihydro-2-oxoquinoline compounds of the formula (I), and their derivatives, prodrugs, tautomers, stereoisomers, polymorphs, solvates, hydrates, metabolites, N-oxides, pharmaceutically acceptable salts and compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, and their derivatives, prodrugs, tautomers, stereoisomers, polymorphs, solvates, hydrates, metabolites, N-oxides, pharmaceutically acceptable salts and compositions containing them. The compounds of the present invention are useful in the treatment/prevention of various disorders that are mediated by 5-HT4 receptor activity.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: December 3, 2013
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Abdul Rasheed Mohammed, Ishtiyaque Ahmad, Pradeep Jayarajan, Nagaraj Vishwottam Kandikere, Anil Karbhari Shinde, Rama Sastri Kambhampati, Gopinadh Bhyrapuneni, Jyothsna Ravula, Sriramachandra Murthy Patnala, Venkateswarlu Jasti
  • Patent number: 8551718
    Abstract: The present invention provides novel functional assay for 5-HT2A, histamine H1 or adrenergic alpha 1b receptors, by measuring intracellular cyclic adenosine monophosphate (cAMP) levels utilizing reporter gene driven cell based assay. The novel assay provides both binding affinity as well as mode of action of compounds in a single set. The novel assay of the invention is useful in identification of compounds acting through 5-HT2A, histamine H1 or adrenergic alpha 1b receptors. Furthermore, the assay offers utility in categorizing compounds in to agonist, partial agonist, inverse agonist and antagonist classes. The novel assay can be scaled up to any high throughput format.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: October 8, 2013
    Assignee: Suven Life Science Limited
    Inventors: Ishtiyaque Ahmad, Reddy Venkat Mekala, Reddy Muddukrishna Chillakur, Ramkumar Subramaniam, Jyothsna Ravula, Sriramachandra Murthy Patnala, Ramakrishna Nirogi, Venkateswarlu Jasti
  • Patent number: 8470830
    Abstract: Compounds including 5-(Heterocyclyl)alkyl-N-(arylsulfonyl)indole, their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them and a process for the preparation of these compounds, their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. These compounds are useful in the treatment of various disorders that are related to 5-HT6 receptor functions. Specifically, the compounds of this invention are also useful in the treatment of various CNS disorders, hematological disorders, eating disorders, diseases associated with pain, respiratory diseases, genito-urological disorders, cardiovascular diseases and cancer.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: June 25, 2013
    Assignee: Suven Life Sciences Limited
    Inventors: Venkata Satya Nirogi Ramakrishna, Rama Sastri Kambhampati, Jagadishbabu Konda, Prabhakar Kothmirkar, Venkateswarlu Jasti