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    5.
    发明专利
    未知

    公开(公告)号：DE1245207B

    公开(公告)日：1967-07-20

    申请号：DEB0079854

    申请日：1964-12-22

    Applicant: BASF AG

    Inventor： REICHENEDER DR FRANZ ,  DURY DR KARL ,  FISCHER DR ADOLF

    IPC: A01N43/58 ,  C07D237/16

    Abstract: The invention comprises pyridazones of the formula wherein R1 represents a phenyl or cyclohexyl radical, optionally substituted by a methyl group or halogen atom, and R2 represents a methyl, ethyl or acetyl radical. The compounds are made by reacting an alcoholate with a 1 - substituted - 4,5 - dibromopyridazone - (6) or by reacting an alkyl or acetyl halide with a 1 - substituted - 4 - hydroxy - 5 - bromopyridazone - (6). The compounds are used as herbicides (see Division A5). Specified compounds are 1 - cyclohexyl - 4 - methoxy - , 1 - phenyl - 4 - methoxy -, 1 - phenyl - 4 - ethoxy -, 1 - phenyl - 4 - acetoxy -, and 1 - p - fluoro - phenyl - 4 - methoxy - 5 - bromopyridazones.ALSO:Compounds of the formula wherein R1 represents a phenyl or cyclohexyl radical, optionally substituted by a methyl group or halogen atom, and R2 represents a methyl, ethyl or acetyl group, are used as herbicides, either alone or in admixture with a liquid or solid carrier. The herbicidal compositions may also include wetting agents, emulsifiers, glue, alginates or resins and may be used in conjunction with other active substances such as fertilisers. Examples relate to the use of 1 - phenyl - 4 - methoxy - 5 - bromopyridazone - (6) in aqueous dispersion. The herbicides may be applied to the plants or to the soil in which they grow.

    6.
    发明专利
    未知

    公开(公告)号：DE1210241B

    公开(公告)日：1966-02-03

    申请号：DEB0059291

    申请日：1960-09-09

    Applicant: BASF AG

    Inventor： REICHENEDER DR FRANZ ,  DURY DR KARL ,  FISCHER DR ADOLF ,  STUMMEYER DR HERBERT

    IPC: A01N43/58 ,  C07D237/16 ,  C07D237/18

    Abstract: The invention comprises compounds of the general formula wherein R1 denotes a hydrogen atom or an aryl radical and R2 denotes a substituted or unsubstituted alkyl radical or an aryl radical, the only substituent specified for R2 being a carboxyl group. The compounds are prepared by reaction of a 4,5-dichloropyridazone-(6) with a mercaptan or a mercaptide. Examples are given.ALSO:Compositions for influencing, especially inhibiting, plant growth comprise at least one compound of the general formula in which R1 denotes a hydrogen atom or an aryl radical and R2 denotes a substituted or unsubstituted alkyl radical or an aryl radical, together with a carrier or diluent. Examples describe aqueous dispersions of the active compounds which dispersions may be prepared by means of sodium lignin-sulphonate as dispersing agent.

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