7.
    发明专利
    未知

    公开(公告)号:DE2706682A1

    公开(公告)日:1978-08-24

    申请号:DE2706682

    申请日:1977-02-17

    Applicant: BASF AG

    Abstract: Process for the manufacture of alpha -naphthol by hydrolyzing alpha -naphthyl esters of aliphatic carboxylic acids in a distillation column by means of steam in counter-current at a particular temperature, and in a certain ratio, in the presence of organic sulfonic acids. The alpha -naphthol obtainable by the process of the invention is a valuable starting material for the manufacture of dyes, drugs and insecticides, e.g. alpha -naphthyl N-methylcarbamate.

Patent Agency Ranking