Patents by Inventor Enrico ROSSO

Enrico ROSSO 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 preparation of key intermediates of omarigliptin
    Patent number: 9481680
    Abstract: An improved process for the preparation of a key intermediate for the synthesis of the active ingredient Omarigliptin is provided. The key intermediate is a compound having the following formula (I) wherein R1 is propargyl or allyl group and P is an amine protecting group. The compound of formula (I) is prepared by converting a compound of formula (IV) by an amination reaction to a compound of formula (III), which is then protected to provide a compound of formula (II), which is then alkylated to provide the compound of formula (I).
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: November 1, 2016
    Assignee: F.I.S.—FABBRICA ITALIANA SINTETICI S.P.A
    Inventors: Ottorino De Lucchi, Enrico Rosso, Simone Zaramella, Stefano Tartaggia
  • PROCESS FOR THE PREPARATION OF KEY INTERMEDIATES OF OMARIGLIPTIN
    Publication number: 20160200727
    Abstract: Object of the present invention is an improved process for the preparation of key intermediates for the synthesis of the active pharmaceutical ingredient named Omarigliptin.
    Type: Application
    Filed: January 19, 2015
    Publication date: July 14, 2016
    Inventors: Ottorino DE LUCCHI, Enrico ROSSO, Simone ZARAMELLA, Stefano TARTAGGIA