43.
    发明专利
    未知

    公开(公告)号:DE3244522A1

    公开(公告)日:1984-06-07

    申请号:DE3244522

    申请日:1982-12-02

    Applicant: BASF AG

    Abstract: A process for the preparation of nicotinamide by amidation of a nicotinic acid/nicotinamide melt, vacuum distillation of the amidation mixture, removal of the nicotinamide as the bottom product and recycling of the top product, depleted with respect to nicotinamide, into the amidation stage together with addition of fresh amounts of nicotinic acid.

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