Patents by Inventor Sitha Sanyasi

Sitha Sanyasi 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).

  • Process for the synthesis of N-Substituted ?-amino nitriles through the ring opening of aziridines
    Patent number: 6906216
    Abstract: The present invention comprises the simultaneous ring opening and concomitant N-substitution of various N-tosyl aziridines with different aliphatic and aromatic nitriles in presence of catalytic amount of metal triflates to afford different N-substituted ?-amino nitriles in excellent yields and selectivities.
    Type: Grant
    Filed: November 29, 2002
    Date of Patent: June 14, 2005
    Assignee: Council of Scientific and Industrial Research
    Inventors: Boyapati Manoranjan Choudary, Jeyalakshmi Kulandaivelu, Pravin R. Likhar, Lakshmi Kantam Mannepalli, Sreedhar Bojja, Bhanuprakash Kotamarthi, Sitha Sanyasi
  • Process for the synthesis of N-substituted beta-amino nitriles through the ring opening of aziridines
    Publication number: 20040198999
    Abstract: The present invention comprises the simultaneous ring opening and concomitant N-substitution of various N-tosyl aziridines with different aliphatic and aromatic nitrites in presence of catalytic amount of metal triflates to afford different N-substituted &bgr;-amino nitrites in excellent yields and selectivities.
    Type: Application
    Filed: November 29, 2002
    Publication date: October 7, 2004
    Inventors: Boyapati Manoranjan Choudary, Jeyalakshmi Kulandaivelu, Pravin R. Likhar, Lakshmi Kantam Mannepalli, Sreedhar Bojja, Bhanuprakash Kotamarthi, Sitha Sanyasi