1.
    发明专利
    未知

    公开(公告)号:DE1911086A1

    公开(公告)日:1970-10-01

    申请号:DE1911086

    申请日:1969-03-05

    Applicant: BASF AG

    Abstract: 1291558 Bz - 1 - Bz - 1 1 - dibenzanthronyl sulphides BADISCHE ANILIN- & SODAFABRIK AG 4 March 1970 [5 March 1969] 10297/70 Heading C4P A Bz-1-Bz-1 1 -dibenzanthronyl sulphide is prepared by reacting a halogen-substituted Bz- 1-benzanthrone with an alkali metal sulphide in one or more alcohols of Formula I where R 1 is hydrogen or C 1-4 alkyl, R 2 is hydrogen or methyl, and n is 1, 2, 3 or 4. Preferably, a stoichiometric amount (+0À1 equivalents) or a slight excess of alkali metal sulphide is used.

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