Patents by Inventor Yuriy Grigoverievich Shermolovich

Yuriy Grigoverievich Shermolovich 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 5-fluoro-1-pyrazoles
    Patent number: 9302994
    Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) is described, resulting from the reaction of an olefin of the general formula (II) with hydrazines of the formula (III) R1—NH—NH2??(III), wherein R1 is selected from C1-C6 alkyl, C5-C10 aryl; R2 is a trihalomethyl moiety with at least one fluorine atom; and R3 is selected from C1-C5 haloalkyl, CF3, C2F5, C3F7, CF2CF2Cl, CFClCF3, in the presence of water and a base.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: April 5, 2016
    Assignee: BAYER CROPSCIENCE AG
    Inventors: Sergii Pazenok, Norbert Lui, Vadim Mikhailovich Timoshenko, Elena Ivanovna Kaminskaya, Yuriy Grigoverievich Shermolovich
  • PROCESS FOR THE PREPARATION OF 5-FLUORO-1H-PYRAZOLES
    Publication number: 20150152062
    Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) is described, resulting from the reaction of an olefin of the general formula (II) with hydrazines of the formula (III) R1—NH—NH2 ??(III), wherein R1 is selected from C1-C6 alkyl, C5-C10 aryl; R2 is a trihalomethyl moiety with at least one fluorine atom; and R3 is selected from C1-C5 haloalkyl, CF3, C2F5, C3F7, CF2CF2Cl, CFClCF3, in the presence of water and a base.
    Type: Application
    Filed: July 17, 2013
    Publication date: June 4, 2015
    Inventors: Sergii Pazenok, Norbert Lui, Vadim Mikhailovich Timoshenko, Elena Ivanovna Kaminskaya, Yuriy Grigoverievich Shermolovich