Patents by Inventor Chris H. Senanayake

Chris H. Senanayake 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: 9150586
    Abstract: The invention relates to novel piperidino-dihydrothienopyrimidine sulfoxides of formula I, wherein Ring A is a 6-membered aromatic ring which may optionally comprise one or two nitrogen atoms and wherein R is Cl and wherein R may be located either in the para-, meta- or ortho-position of Ring A, wherein S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: October 6, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Pascale A. J. Pouzet, Peter Nickolaus, Ulrike Werthmann, Rogelio P. Frutos, Bing-Shiou Yang, Soojin Kim, Jason Alan Mulder, Nitinchandra Patel, Chris H. Senanayake, Thomas G. Tampone, Xudong Wei
  • Patent number: 9079832
    Abstract: Disclosed is a process for making diastereomeric N-sulfinyl ?-amino amides by reaction of chiral sulfinimines with formamides and lithium diisopropylamide. The process of the invention provides the N-sulfinyl ?-amino amides in high yields and with high diastereoselectivity.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: July 14, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Jonathan Timothy Reeves, Chris H. Senanayake
  • Publication number: 20150148322
    Abstract: The invention relates to novel piperidino-dihydrothienopyrimidine sulfoxides of formula I, wherein Ring A is a 6-membered aromatic ring which may optionally comprise one or two nitrogen atoms and wherein R is Cl and wherein R may be located either in the para-, meta- or ortho-position of Ring A, wherein S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Application
    Filed: March 15, 2012
    Publication date: May 28, 2015
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Pascale A.J. Pouzet, Peter Nickolaus, Ulrike Werthmann, Rogelio P. Frutos, Bing-Shiou Yang, Soojin Kim, Jason Alan Mulder, Nitinchandra Patel, Chris H. Senanayake, Thomas G. Tampone, Xudong Wei
  • Publication number: 20140171641
    Abstract: Disclosed is a process for making diastereomeric N-sulfinyl ?-amino amides by reaction of chiral sulfinimines with formamides and lithium diisopropylamide. The process of the invention provides the N-sulfinyl ?-amino amides in high yields and with high diastereoselectivity.
    Type: Application
    Filed: November 5, 2013
    Publication date: June 19, 2014
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Jonathan Timothy REEVES, Chris H. SENANAYAKE
  • Patent number: 8710036
    Abstract: Compositions containing ?2 adrenergic agonists in combination with carbonates and carbamates of the formula. and in combination with related steroid carbonates and carbamates are disclosed. The compositions are useful for treating bronchospasm, for inducing bronchodilation and for treating rhinitis, asthma, and chronic obstructive pulmonary disease (COPD) and inflammatory diseases, particularly by inhalation.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: April 29, 2014
    Assignee: Sunovion Pharmaceuticals Inc.
    Inventors: Mark G. Currie, Steve Jones, Paul Grover, Chris H. Senanayake, Q. Kevin Fang
  • Publication number: 20140094610
    Abstract: The present invention is directed to an improved process for the preparation of Compounds of Formula (I) or salts thereof which are useful in the treatment of HIV infection. In particular, the present invention is directed to an improved process for the preparation of (2S)-2-tert-butoxy-2-(4-(2,3-dihydropyrano[4,3,2-de]quinolin-7-yl)-2-methylquinolin-3-yl)acetic acid or salt thereof which is useful in the treatment of HIV infection.
    Type: Application
    Filed: October 3, 2013
    Publication date: April 3, 2014
    Inventors: Wenjie LI, Philomen DECROOS, Keith R. FANDRICK, Joe Ju GAO, Nizar HADDAD, Zhi-Hui LU, Bo QU, Sonia RODRIGUEZ, Chris H. SENANAYAKE, Yongda ZHANG, Wenjun TANG
  • Patent number: 8633320
    Abstract: Disclosed are methods for the preparation of bromo-substituted quinolines of the formula (I) where R is aryl, heteroaryl, alkyl, alkenyl or alkynyl, which are useful as intermediates in the preparation of agents for the treatment of hepatitis C viral (HCV) infections: Formula (I).
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: January 21, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Nitinchandra D. Patel, Chris H. Senanayake, Wenjun Tang, Xudong Wei, Nathan K. Yee
  • Publication number: 20130244988
    Abstract: Compositions containing ?2 adrenergic agonists in combination with carbonates and carbamates of the formula. and in combination with related steroid carbonates and carbamates are disclosed. The compositions are useful for treating bronchospasm, for inducing bronchodilation and for treating rhinitis, asthma, and chronic obstructive pulmonary disease (COPD) and inflammatory diseases, particularly by inhalation.
    Type: Application
    Filed: April 22, 2013
    Publication date: September 19, 2013
    Applicant: Sunovion Pharmaceuticals Inc.
    Inventors: Mark G. CURRIE, Steve JONES, Paul GROVER, Chris H. SENANAYAKE, Q. Kevin FANG
  • Patent number: 8471010
    Abstract: The present invention relates to an improved process for the preparation of dihydrothieno[3,2-d]pyrimidine diols, and similar pyrimidine diols, that is efficient, high-yielding, and does not require expensive and potentially unstable intermediates. The diols are used as intermediates in the synthesis of pyrimidine compounds which inhibit PDE4, and are thus useful in the treatment of respiratory or gastrointestinal diseases and complaints, peripheral or central nervous system diseases and disorders, inflammatory conditions, and cancers.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: June 25, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Rogelio P. Frutos, Thomas G. Tampone, Jason Alan Mulder, Dhileepkumar Krishnamurthy, Chris H. Senanayake
  • Patent number: 8445470
    Abstract: Compositions containing ?2 adrenergic agonists in combination with carbonates and carbamates of the formula. and in combination with related steroid carbonates and carbamates are disclosed. The compositions are useful for treating bronchospasm, for inducing bronchodilation and for treating rhinitis, asthma, and chronic obstructive pulmonary disease (COPD) and inflammatory diseases, particularly by inhalation.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: May 21, 2013
    Assignee: Sunovion Pharmaceuticals Inc.
    Inventors: Mark G. Currie, Steve Jones, Paul Grover, Chris H. Senanayake, Q. Kevin Fang
  • Publication number: 20130005962
    Abstract: The present invention relates to a process for the manufacturing of substituted 3-amino-tetrahydrofuran-3-carboxylic acid amides of general formula (I) and their precursors in high optical purity to the precursors of the synthesis of substituted S-Amino-tetrahydrofuran-5-carboxylic acid amides of general formula (I) in high optical purity, and to the tautomers, enantiomers, diastereomers, mixtures and salts of substituted 3-amino-tetrahydrofuran-3-carboxylic acid amides of general formula (I) in high optical purity, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable properties.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 3, 2013
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Zhengxu HAN, Kai GERLACH, Dhileepkumar KRISHNAMURTHY, Burkhard MATTHES, Herbert NAR, Roland PFAU, Henning PRIEPKE, Annette SCHULER-METZ, Chris H. SENANAYAKE, Peter SIEGER, Wenjun TANG, Wolfgang WIENEN, Yibo XU, Nathan K. YEE
  • Patent number: 8222369
    Abstract: Disclosed is a process for preparing a macrocyclic compound of the formula (I) wherein a hydroxyl-substituted macrocyclic compound of formula (3) is reacted with a sulfonyl-substituted compound of formula QUIN: The compounds of formula (I) are potent active agents for the treatment of hepatitis C virus (HCV) infection.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: July 17, 2012
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Carl Alan Busacca, Fabrice Gallou, Nizar Haddad, Azad Hossain, Suresh R. Kapadia, Jianxiu Liu, Chris H. Senanayake, Xudong Wei, Nathan K. Yee
  • Publication number: 20120165534
    Abstract: Disclosed are methods for the preparation of bromo-substituted quinolines of the formula (I) where R is aryl, heteroaryl, alkyl, alkenyl or alkynyl, which are useful as intermediates in the preparation of agents for the treatment of hepatitis C viral (HCV) infections: Formula (I).
    Type: Application
    Filed: May 3, 2010
    Publication date: June 28, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Nitinchandra D. Patel, Chris H. Senanayake, Wenjun Tang, Xudong Wei, Nathan K. Yee
  • Publication number: 20120142929
    Abstract: Disclosed are highly convergent processes for preparing compounds of formula (I), which compounds are useful as intermediates in the preparation of potent active agents for the treatment of hepatitis C virus (HCV) infection.
    Type: Application
    Filed: March 18, 2010
    Publication date: June 7, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Nitinchandra D. Patel, Chris H. Senanayake, Xudong Wei, Nathan K. Yee
  • Publication number: 20120108670
    Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
    Type: Application
    Filed: January 4, 2012
    Publication date: May 3, 2012
    Applicant: SUNOVION PHARMACEUTICALS INC.
    Inventors: Gerald J. TANOURY, Chris H. SENANAYAKE, Donald W. KESSLER
  • Patent number: 8110706
    Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: February 7, 2012
    Assignee: Sunovion Pharmaceuticals Inc.
    Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
  • Patent number: 7964753
    Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: June 21, 2011
    Assignee: Sunovion Pharmaceuticals Inc.
    Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
  • Publication number: 20100317848
    Abstract: The present invention relates to a process for the manufacturing of substituted 3-amino-tetrahydrofuran-3-carboxylic acid amides of general formula (I) and their precursors in high optical purity to the precursors of the synthesis of substituted S-Amino-tetrahydrofuran-S-carboxylic acid amides of general formula (I) in high optical purity, and to the tautomers, enantiomers, diastereomers, mixtures and salts of substituted 3-amino-tetrahydrofuran-3-carboxylic acid amides of general formula (I) in high optical purity, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable properties.
    Type: Application
    Filed: December 21, 2007
    Publication date: December 16, 2010
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Zhengxu Han, Kai Gerlach, Dhileepkumar Krishnamurthy, Burkhard Matthes, Herbert Nar, Roland Pfau, Henning Priepke, Annette Schuler-Metz, Chris H. Senanayake, Peter Sieger, Wenjun Tang, Wolfgang Wienen, Yibo Xu, Nathan K. Yee
  • Publication number: 20100249459
    Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
    Type: Application
    Filed: June 7, 2010
    Publication date: September 30, 2010
    Applicant: SEPRACOR INC.
    Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler
  • Publication number: 20100204336
    Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
    Type: Application
    Filed: April 26, 2010
    Publication date: August 12, 2010
    Applicant: SEPRACOR INC.
    Inventors: Gerald J. Tanoury, Chris H. Senanayake, Donald W. Kessler