Patents by Inventor Madhari A. Kulkarni

Madhari A. Kulkarni 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).

  • One Spot Synthesis of Citalopram from 5-Cyanophthalide
    Publication number: 20080119662
    Abstract: A process for one pot synthesis of citalopram is disclosed. The process comprises subjecting 5-cyano phthalide to Grignard reduction followed cyclization and followed by C-alkylation reaction to obtain citalopram without isolation and purification of any intermediates. In another embodiment, 5-cyano phthalide is subjected to sequential Grignard reactions followed by cyclization to obtain citalopram without isolation and purification of any intermediate stages.
    Type: Application
    Filed: February 16, 2004
    Publication date: May 22, 2008
    Applicant: Jubilant Organosys Limted
    Inventors: Ambati Narahari Babu, Vuddamari Srinivas Goud, Santosh Laxman Gaonkar, Sulur G. Manjunatha, Ashok Krishna Kulkarni, Madhari A. Kulkarni