公开(公告)号：US11161840B2

公开(公告)日：2021-11-02

申请号：US16306180

申请日：2017-05-26

Applicant: Bayer CropScience Aktiengesellschaft

Inventor： Stefan Antons ,  Martin Littmann ,  Joerg Schulz ,  Wahed Ahmed Moradi ,  Thomas Geller

IPC: C07D417/06

Abstract: The present invention relates to a process for producing compounds of formula (I) in which R1, A, X and Z are as defined in the description by reaction of compounds of formula (II) or salts thereof with 2-chloro-5-chloromethylpyridine in a nonpolar aliphatic or aromatic solvent, preferably in the presence of a phase transfer catalyst.

公开(公告)号：US11618735B2

公开(公告)日：2023-04-04

申请号：US16538972

申请日：2019-08-13

Applicant: Bayer CropScience Aktiengesellschaft

Inventor： Stefan Antons ,  Britta Olenik ,  Martin Krueger

IPC: C07D239/52 ,  A01N47/36

Abstract: The present invention relates to a novel crystal form of the monosodium salt of foramsulfuron, a method for preparing this crystal form, use thereof in agrochemical formulations and also particular compositions, mixtures or agrochemical formulations comprising this crystal form, and also a novel monomethanol solvate of the monosodium salt of foramsulfuron.

公开(公告)号：US10472331B2

公开(公告)日：2019-11-12

申请号：US15535310

申请日：2015-12-10

Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT

Inventor： Stefan Antons ,  Britta Olenik ,  Martin Krueger

IPC: C07D239/52 ,  A01N47/36

Abstract: The present invention relates to a novel crystal form of the monosodium salt of foramsulfuron, a method for preparing this crystal form, use thereof in agrochemical formulations and also particular compositions, mixtures or agrochemical formulations comprising this crystal form, and also a novel monomethanol solvate of the monosodium salt of foramsulfuron.