公开(公告)号：US10906893B2

公开(公告)日：2021-02-02

申请号：US16486516

申请日：2018-02-15

Applicant: Bayer CropScience Aktiengesellschaft ,  Bayer Aktiengesellschaft

Inventor： Sergii Pazenok ,  Christian Funke ,  Friedrich August Muehlthau ,  Mark James Ford ,  Arnd Neeff ,  Klaus-Ulrich Schiffer

IPC: C07D409/12

Abstract: The invention relates to a method for preparing methyl 4-[(4,5-dihydro-3-methoxy-4-methyl-5-oxo-1H-1,2,4-triazol-1-yl)carbonyl)sulfamoyl]-5-methylthiophene-3-carboxylate from 4-methoxycarbonyl-2-methylthiophene-3-sulfonyl chloride in the presence of an imidazole base substituted in the 1-position or in the presence of a mixture of bases comprising an imidazole base substituted in the 1-position (N-alkylimidazole).

公开(公告)号：US10435352B2

公开(公告)日：2019-10-08

申请号：US15769765

申请日：2016-10-21

Applicant: Bayer CropScience Aktiengesellschaft

Inventor： Christian Funke ,  Thomas Himmler ,  Sergii Pazenok ,  Christoph Schotes ,  Matthias Beller ,  Thomas Schareina ,  Alexander Zapf

IPC: C07C253/14 ,  C07C255/50 ,  C07C315/02 ,  C07C319/14 ,  C07C319/20 ,  C07C323/62 ,  C07C25/13 ,  C07C323/36

Abstract: A process for preparing 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids of the formula (I) is described. Here, the substituents are radicals such as alkyl and substituted phenyl.

公开(公告)号：US09957256B2

公开(公告)日：2018-05-01

申请号：US15313343

申请日：2015-05-26

Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT

Inventor： Sergii Pazenok ,  Norbert Lui ,  Christian Funke

IPC: C07D403/04 ,  C07D231/16 ,  C07D231/14 ,  C07C21/18 ,  C07D401/14 ,  C07D231/38

CPC classification number: C07D403/04 ,  C07C21/18 ,  C07D231/14 ,  C07D231/16 ,  C07D231/38 ,  C07D401/14

Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein and further reactions with this compound.

公开(公告)号：US09701640B2

公开(公告)日：2017-07-11

申请号：US15127908

申请日：2015-03-20

Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT

Inventor： Sergii Pazenok ,  Norbert Lui ,  Christian Funke ,  Winfried Etzel ,  Arnd Neeff

IPC: C07D231/12 ,  C07C251/08 ,  C07F5/02 ,  C07D231/14

CPC classification number: C07D231/12 ,  C07C251/08 ,  C07D231/14 ,  C07F5/022

Abstract: The present invention relates to a novel process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from α,α-dihaloamines and ketimines.

公开(公告)号：US10189800B2

公开(公告)日：2019-01-29

申请号：US15763181

申请日：2016-09-23

Applicant: Bayer CropScience Aktiengesellschaft

Inventor： Christian Funke ,  Arnd Neeff ,  Sergii Pazenok ,  Norbert Lui

IPC: C07D271/113

Abstract: A method for preparing N-(1,3,4-oxadiazol-2-yl)arylcarboxamides of formula (I) is described. The substituents therein are radicals such as hydrogen, alkyl, haloalkyl or aryl.

公开(公告)号：US09725415B2

公开(公告)日：2017-08-08

申请号：US15037564

申请日：2014-11-25

Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT

Inventor： Sergii Pazenok ,  Norbert Lui ,  Christian Funke ,  Arnd Neeff ,  Vadim Mikhailovich Timoshenko ,  Elena Ivanovna Kaminskaya ,  Yuriy Grigorievich Shermolovich

IPC: C07D231/16 ,  C07D403/04 ,  C07D231/14 ,  C07D231/38

CPC classification number: C07D231/16 ,  C07D231/14 ,  C07D231/38 ,  C07D403/04

Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein, resulting from the reaction of an olefin with hydrazine in the presence of water and a base.

公开(公告)号：US09630898B2

公开(公告)日：2017-04-25

申请号：US15029594

申请日：2014-10-20

Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT

Inventor： Sergii Pazenok ,  Christian Funke

IPC: C07C45/00 ,  C07C45/67 ,  C07C49/167

CPC classification number: C07C45/676 ,  C07C49/167 ,  C07C49/16

Abstract: The present invention describes a novel method for producing haloketones.