12.
    发明专利
    失效

    公开(公告)号:JPS6350434B2

    公开(公告)日:1988-10-07

    申请号:JP16580779

    申请日:1979-12-21

    Applicant: BASF AG

    Abstract: A process for the preparation of benzaldehydes of the general I where R1 is hydrogen or alkyl, wherein a compound of the formula II where X is hydrogen, hydroxyl or R2-COO-, and R2 is hydrogen or alkyl of 1 to 6 carbon atoms, is oxidized electrochemically in the presence of water, of an alkanoic acid of the formula R3COOH III where R3 is hydrogen or alkyl of 1 to 6 carbon atoms, and of a conductive salt.

    20.
    发明专利
    失效

    公开(公告)号:JPH0641638B2

    公开(公告)日:1994-06-01

    申请号:JP12543384

    申请日:1984-06-20

    Applicant: BASF AG

    Abstract: Benzaldehyde dialkyl acetals of the formula I wherein R1 and R2 are each alkyl, are prepared by electrochemical oxidation of an alkyltoluene of the formula II by a process in which the electrolyte used contains from 60 to 90% by weight of an alkanol of the formula R2OH, from 8.5 to 40% by weight of the alkyltoluene and from 0.01 to 1.5% by weight of an HO3S-containing acid.

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