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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.
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