Patents by Inventor Anjan Saha

Anjan Saha 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).

  • Indenopyridine derivatives
    Patent number: 8975405
    Abstract: Disclosed is a compound of formula (I) and salts thereof. Also disclosed are methods of making the compound of formula (I) and the use of the compound as an intermediate for making pharmaceutically active compounds such as 11-?-hydroxysteroid hydrogenase type 1 (11-?-HSD1) inhibitors.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: March 10, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Bo Qu, Anjan Saha, Jolaine Savoie, Xudong Wei, Nathan K. Yee
  • Benzodioxane inhibitors of leukotriene production
    Patent number: 8946203
    Abstract: The present invention relates to compounds of formula (I): wherein R1 to R3, A, X and n are as defined herein. The compounds of formula (I) are useful as inhibitors of leukotriene A4 hydrolase (LTA4H) and treating LTA4H related disorder. The present invention also relates to pharmaceutical compositions comprising the compounds of formula (I), methods of using these compounds in the treatment of various diseases and disorders, and processes for preparing these compounds.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: February 3, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Asitha Abeywardane, Steven Richard Brunette, Michael J. Burke, Suresh R. Kapadia, Thomas Martin Kirrane, Matthew Russell Netherton, Hossein Razavi, Sonia Rodriguez, Anjan Saha, Robert Sibley, Lana Louise Smith-Keenan, Hidenori Takahashi, Michael Robert Turner, Jiang-Ping Wu, Erick Richard Roush Young, Qiang Zhang, Qing Zhang, Renee M. Zindell
  • Indenopyridine derivatives
    Patent number: 8735585
    Abstract: Disclosed is a compound of formula (I) and salts thereof. Also disclosed are methods of making the compound of formula (I) and the use of the compound as an intermediate for making pharmaceutically active compounds such as 11-?-hydroxysteroid hydrogenase type 1 (11-?-HSD1) inhibitors.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: May 27, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Bo Qu, Anjan Saha, Jolaine Savoie, Xudong Wei, Nathan K. Yee
  • INDENOPYRIDINE DERIVATIVES
    Publication number: 20140107343
    Abstract: Disclosed is a compound of formula (I) and salts thereof. Also disclosed are methods of making the compound of formula (I) and the use of the compound as an intermediate for making pharmaceutically active compounds such as 11-?-hydroxysteroid hydrogenase type 1 (11-?-HSD1) inhibitors.
    Type: Application
    Filed: December 13, 2013
    Publication date: April 17, 2014
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Bo QU, Anjan SAHA, Jolaine SAVOIE, Xudong WEI, Nathan K. YEE
  • BENZODIOXANE INHIBITORS OF LEUKOTRIENE PRODUCTION
    Publication number: 20130244996
    Abstract: The present invention relates to compounds of formula (I): wherein R1 to R3, A, X and n are as defined herein. The compounds of formula (I) are useful as inhibitors of leukotriene A4 hydrolase (LTA4H) and treating LTA4H related disorder. The present invention also relates to pharmaceutical compositions comprising the compounds of formula (I), methods of using these compounds in the treatment of various diseases and disorders, and processes for preparing these compounds.
    Type: Application
    Filed: March 5, 2013
    Publication date: September 19, 2013
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Asitha ABEYWARDANE, Steven Richard BRUNETTE, Michael J. BURKE, Suresh R. KAPADIA, Thomas Martin KIRRANE, Matthew Russell NETHERTON, Hossein RAZAVI, Sonia RODRIGUEZ, Anjan SAHA, Robert SIBLEY, Lana Louise SMITH-KEENAN, Hidenori TAKAHASHI, Michael Robert TURNER, Jiang-Ping WU, Erick Richard Roush YOUNG, Qiang ZHANG, Qing ZHANG, Renee M. ZINDELL
  • INDENOPYRIDINE DERIVATIVES
    Publication number: 20130211089
    Abstract: Disclosed is a compound of formula (I) and salts thereof. Also disclosed are methods of making the compound of formula (I) and the use of the compound as an intermediate for making pharmaceutically active compounds such as 11-?-hydroxysteroid hydrogenase type 1 (11-?-HSD1) inhibitors.
    Type: Application
    Filed: August 14, 2012
    Publication date: August 15, 2013
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Bo QU, Anjan Saha, Jolaine Savoie, Xudong Wei
  • Process for preparing acyclic HCV protease inhibitors
    Patent number: 8101765
    Abstract: Disclosed are highly convergent processes for preparing compounds of formula (I), which compounds are potent active agents for the treatment of hepatitis C virus (HCV) infection: The disclosed processes use SNAr-type coupling reactions between peptidic compounds having a hydroxyproline moiety of the following formula: and halogenated or sulfonated bromoquinoline compounds.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: January 24, 2012
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Carl Alan Busacca, Rogelio Perez Frutos, Nizar Haddad, Suresh R. Kapadia, Jon Charles Lorenz, Anjan Saha, Chris Hugh Senanayake, Xudong Wei
  • Process for preparing acyclic HCV protease inhibitors
    Patent number: 8017771
    Abstract: Disclosed are highly convergent processes for preparing compounds of formula (I), which compounds are potent active agents for the treatment of hepatitis C virus (HCV) infection: The disclosed processes use SNAr-type coupling reactions between peptidic compounds having a hydroxyproline moiety of the following formula: and halogenated or sulfonated bromoquinoline compounds.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: September 13, 2011
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Carl Alan Busacca, Rogelio Perez Frutos, Nizar Haddad, Suresh R. Kapadia, Jon Charles Lorenz, Anjan Saha, Chris Hugh Senanayake, Xudong Wei
  • PROCESS FOR PREPARING ACYCLIC HCV PROTEASE INHIBITORS
    Publication number: 20090124809
    Abstract: Disclosed are highly convergent processes for preparing compounds of formula (I), which compounds are potent active agents for the treatment of hepatitis C virus (HCV) infection: The disclosed processes use SNAr-type coupling reactions between peptidic compounds having a hydroxyproline moiety of the following formula: and halogenated or sulfonated bromoquinoline compounds.
    Type: Application
    Filed: January 16, 2009
    Publication date: May 14, 2009
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Carl Alan BUSACCA, Rogelio Perez FRUTOS, Nizar HADDAD, Suresh R. KAPADIA, Jon Charles LORENZ, Anjan SAHA, Chris Hugh SENANAYAKE, Xudong WEI
  • PROCESS FOR PREPARING ACYCLIC HCV PROTEASE INHIBITORS
    Publication number: 20090124808
    Abstract: Disclosed are highly convergent processes for preparing compounds of formula (I), which compounds are potent active agents for the treatment of hepatitis C virus (HCV) infection: The disclosed processes use SNAr-type coupling reactions between peptidic compounds having a hydroxyproline moiety of the following formula: and halogenated or sulfonated bromoquinoline compounds.
    Type: Application
    Filed: January 16, 2009
    Publication date: May 14, 2009
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Carl Alan BUSACCA, Rogelio Perez FRUTOS, Nizar HADDAD, Suresh R. KAPADIA, Jon Charles LORENZ, Anjan SAHA, Chris Hugh SENANAYAKE, Xudong WEI
  • Process for preparing acyclic HCV protease inhibitors
    Patent number: 7514557
    Abstract: Disclosed are highly convergent processes for preparing compounds of formula (I), which compounds are potent active agents for the treatment of hepatitis C virus (HCV) infection: The disclosed processes use SNAr-type coupling reactions between peptidic compounds having a hydroxyproline moiety of the following formula: and halogenated or sulfonated bromoquinoline compounds.
    Type: Grant
    Filed: May 23, 2005
    Date of Patent: April 7, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Carl Alan Busacca, Rogelio Perez Frutos, Nizar Haddad, Suresh R. Kapadia, Jon Charles Lorenz, Anjan Saha, Chris Hugh Senanayake, Xudong Wei
  • Process for preparing acyclic HCV protease inhibitors
    Publication number: 20050267151
    Abstract: Disclosed are highly convergent processes for preparing compounds of formula (I), which compounds are potent active agents for the treatment of hepatitis C virus (HCV) infection: The disclosed processes use SNAr-type coupling reactions between peptidic compounds having a hydroxyproline moiety of the following formula: and halogenated or sulfonated bromoquinoline compounds.
    Type: Application
    Filed: May 23, 2005
    Publication date: December 1, 2005
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Carl Busacca, Rogelio Frutos, Nizar Haddad, Suresh Kapadia, Jon Lorenz, Anjan Saha, Chris Senanayake, Xudong Wei