1.
    发明专利
    未知

    公开(公告)号:FR2716203B1

    公开(公告)日:1997-09-12

    申请号:FR9501569

    申请日:1995-02-10

    Applicant: BASF AG

    Abstract: Chlorinated violanthrones or isoviolanthrones are prepared by reacting violanthrone or isoviolanthrone with chlorine in the presence of a diluent, using aliphatic carboxylic acids and/or aliphatic halo carboxylic acids as diluent for this purpose.

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