公开(公告)号：US20180273496A1

公开(公告)日：2018-09-27

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

CPC classification number: C07D271/113 ,  Y02P20/582

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：US20160108000A1

公开(公告)日：2016-04-21

申请号：US14892291

申请日：2014-05-19

Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT

Inventor： Sergii PAZENOK ,  Norbert LUI ,  Arnd NEEFF ,  Winfried ETZEL ,  Jean-Pierre VORS ,  Frederic R. LEROUX ,  Gregory LANDELLE ,  Mark James FORD

IPC: C07D231/12 ,  A01N43/56

CPC classification number: C07D231/12 ,  A01N43/56 ,  C07D231/14

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

Abstract translation: 本发明涉及从α，α-二卤代胺制备3,5-双（氟代烷基）吡唑衍生物的新方法。

公开(公告)号：US20170088521A1

公开(公告)日：2017-03-30

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 ,  C07D231/14 ,  C07F5/02

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：US20160289194A1

公开(公告)日：2016-10-06

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.

Abstract translation: 一种制备如本文所述的通式（I）的5-氟-1H-吡唑的新方法，其由在烯烃和碱存在下烯烃与肼的反应得到。

公开(公告)号：US20200048234A1

公开(公告)日：2020-02-13

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).