28.
    发明专利
    未知

    公开(公告)号:DK131536B

    公开(公告)日:1975-08-04

    申请号:DK168972

    申请日:1972-04-07

    Applicant: BASF AG

    Abstract: 1377245 Substituted pyridazones BADISCHE ANILIN- & SODA-FABRIK AG 7 April 1972 [10 April 1971] 16127/72 Heading C2C Novel compounds of Formula I: wherein R 1 denotes phenyl or cyclohexyl, R 2 denotes bromine and R 3 denotes hydrogen or -CH 2 Br, are obtained by reacting the corresponding 4-amino-pyridazone with the corresponding carboxylic acid or acid halide. Specified compounds of Formula I are 1-phenyl- 4 - formulamino - 5 - bromopyridazone - (6) and 1 - phenyl - 4 - bromoacetylamino - 5 - bromopyridazone-(6) and examples describe the preparation and herbicidal properties of these compounds.

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