公开(公告)号：US09340526B2

公开(公告)日：2016-05-17

申请号：US14665583

申请日：2015-03-23

Applicant: Bayer Intellectual Property GmbH

Inventor： Sergii Pazenok ,  Norbert Lui ,  Harry Blaschke

IPC: C07D401/04

CPC classification number: C07D401/04 ,  Y02P20/55

Abstract: The present invention relates to a process for preparing 1-pyridyl-substituted pyrazoles, comprising the reaction of acetyleneketones with pyridylhydrazine derivatives to give 1-pyridyl-substituted dihydro-1H-pyrazoles, the further reaction thereof with elimination of water to give 1-pyridyl-substituted trihalomethylpyrazoles, and the further processing thereof.

公开(公告)号：US20150191447A1

公开(公告)日：2015-07-09

申请号：US14665583

申请日：2015-03-23

Applicant: Bayer Intellectual Property GmbH

Inventor： Sergii PAZENOK ,  Norbert Lui ,  Harry Blaschke

IPC: C07D401/04

CPC classification number: C07D401/04 ,  Y02P20/55

Abstract: The present invention relates to a process for preparing 1-pyridyl-substituted pyrazoles, comprising the reaction of acetyleneketones with pyridylhydrazine derivatives to give 1-pyridyl-substituted dihydro-1H-pyrazoles, the further reaction thereof with elimination of water to give 1-pyridyl-substituted trihalomethylpyrazoles, and the further processing thereof.

Abstract translation: 本发明涉及一种制备1-吡啶基取代的吡唑的方法，其中包括乙酰基酮与吡啶基肼衍生物的反应，得到1-吡啶基取代的二氢-1H-吡唑，进一步反应，除去水，得到1-吡啶基 - 取代的三卤代甲基吡唑，以及其进一步处理。