公开(公告)号：US20180118670A1

公开(公告)日：2018-05-03

申请号：US15565067

申请日：2016-04-04

Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT

Inventor： Taraneh FARIDA ,  Michael ESSER ,  Hubertus STAKEMEIER

IPC: C07C303/40

Abstract: The invention relates to a method for producing compounds of formula (Ia), in particular to a method for producing N-[4-(cyclopropylcarbamoyl)phenylsulfonyl]-2-methoxybenzamide.

公开(公告)号：US20190144385A1

公开(公告)日：2019-05-16

申请号：US16098138

申请日：2017-04-26

Applicant: Bayer CropScience Aktiengesellschaft

Inventor： Taraneh FARIDA ,  Martin LITTMANN ,  Rafael WARSITZ ,  Michael ESSER ,  Albert SCHNATTERER

IPC: C07D207/38 ,  C07D201/08

CPC classification number: C07D207/38 ,  C07D201/02 ,  C07D201/08

Abstract: The present invention relates to novel methods for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and also to novel intermediates and starting compounds, which are passed through or used in the method according to the invention.