3-amino-4-dihalo pyrazolones
    11.
    发明授权
    3-amino-4-dihalo pyrazolones 失效
    3-氨基-4-二氢吡喃酮

    公开(公告)号:US3632818A

    公开(公告)日:1972-01-04

    申请号:US3632818D

    申请日:1969-01-02

    Applicant: ROUSSEL UCLAF

    CPC classification number: C07C243/00 C07D231/52

    Abstract: 3-AMINO-4,4-DIHALO-5-PYRAZOLONES OF THE FORMULA

    1-Y,3-(R-N(-R1)-),4-X,4-X'',5-(O=)-2-PYRAZOLINE

    WHEREIN X AND X'' ARE SELECTED FRO THE GROUP CONSISTING OF CHLORINE AND BROMINE, Y IS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, AND ARYL WHICH MAY BE SUBSTITUTED AND R AND R1 ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, ARYL, CYCLOALKYL AND ARALKYL WHICH POSSES; FUNGICIDAL ACTIVITY AND THEIR PREPARATION.

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