11.
    发明专利
    未知

    公开(公告)号:DK31676A

    公开(公告)日:1976-07-29

    申请号:DK31676

    申请日:1976-01-27

    Applicant: HOECHST AG

    Inventor: HEISS L UHL K

    Abstract: Process for the preparation of 1,4-naphthodinitrile, by reacting o-phenylene-diacetonitrile with a glyoxalbisaldimine. By this process the 1,4-naphthodinitrile is easily obtained in a one-step process. This compound is an important intermediate for the production of 1,4-naphthalene-dicarboxylic acid.

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