Patents by Inventor Manikrao Vittal

Manikrao Vittal 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).

  • Publication number: 20060173175
    Abstract: The present invention relates to an improved process for the preparation of Cefditoren of formula (I), the said process comprising the steps of: i) converting the compound of formula (II) to a compound of the formula (III) using TPP and sodium iodide in the presence of THF, water, and base; ii) reacting the compound of formula (III) with 4-methyl-5-formyl-thiazole to produce a compound of formula (IV); iii) deesterifying the compound of the formula (IV) to yield compound of formula (V); iv) converting the compound of formula (V) to compound of formula (VI) in the presence of a base and solvent; v) converting the compound of formula (VI) into compound of formula (VII) by enzymatic hydrolysis; and vi) reacting compound of formula (VII) with compound of formula (VIII) in the presence of solvent and base to produce compound of formula (I).
    Type: Application
    Filed: July 3, 2004
    Publication date: August 3, 2006
    Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LTD.
    Inventors: Kumar Prabhat, Anandam Vempali, Sivakumaran Sundaravadivelan, Nagesh Praveen, Manikrao Vittal, Balawant Pandurang, Kumar Parven, Ramesh Pratik