PROCESS FOR PREPARATION OF SUBSTITUTED PYRAZOLES

    公开(公告)号:US20230271934A1

    公开(公告)日:2023-08-31

    申请号:US18020317

    申请日:2021-08-24

    CPC classification number: C07D401/04 C07D231/16

    Abstract: The present invention relates to the processes for the preparation of substituted pyrazole derivatives of formula (I), (II), (III), (IV), (IV-a) (V), (VII), which are useful as intermediates in anthranilamide insecticides production. In addition, the present invention is directed to a method for the preparation of anthranilamides of formula (VIII) using substituted pyrazole derivatives of formula (I), (III), (IV), (V), (VII). Furthermore, the present invention is directed to substituted halo-pyrazole compounds of formula (III), (IV) and (V), wherein X is halogen and R7 is hydrogen, C1-C4 alkyl.

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