Patents by Inventor Jones Elfyn

Jones Elfyn 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).

  • PROCESSES FOR THE MANUFACTURE OF 3--PYRIDINE, 4-METHYL-3-METHYLTHIO-5-(3-PYRIDYL)-L,2,4-TRIAZOLE, AND (1R)-1-[2-(3-METHYLPHENYL)-2H-TETRAZOL-5-YL]ETHANOL
    Publication number: 20110306768
    Abstract: The present invention provides a process for the manufacture of the compound 3-{4-methyl-5-[(1R)-1-(2-(3-methylphenyl-2H-tetrazol-5-yl)-ethoxy]-4H-[1,2,4]triazol-3-yl}-pyridine of formula 14 wherein a) the compound 3-(5-methane-sulfonyl-4-methyl-4H-1,2,4-triazol-3-yl)-pyridine of formula 6 and the compound (1R)-[2-(3-methylphenyl)-2H-tetrazol-5-yl]ethanol of formula 13 are dissolved in an aprotic solvent, whereafter an alkoxide base is added, providing the compound of formula 14. The invention also provides methods for manufacturing 3-(5-methanesulfonyl-4-methyl-4H-1,2,4-triazol-3-yl)-pyridine and (1R)-1-[2-(3-methylphenyl)-2H-tetrazol-5-yl]ethanol.
    Type: Application
    Filed: December 11, 2009
    Publication date: December 15, 2011
    Applicant: ASTRAZENECA AB
    Inventors: Jones Elfyn, Ulf G. Larsson