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公开(公告)号：US11220511B2
公开(公告)日：2022-01-11
申请号：US16322556
申请日：2017-07-31
Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
Inventor： Thomas Himmler , Julia Johanna Hahn , Joachim Crede
IPC: C07D491/113 , C07D319/08 , C07D407/12 , C07D317/72 , A01N43/90
Abstract: The invention relates to a novel process for preparing spiroketal-substituted cyclic ketoenols which can be used as insecticides, acaricides or herbicides. The present invention also relates to novel intermediates for the preparation of spiroketal-substituted cyclic ketoenols.
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