9.
    发明专利
    未知

    公开(公告)号:DE3861154D1

    公开(公告)日:1991-01-10

    申请号:DE3861154

    申请日:1988-03-23

    Applicant: BASF AG

    Abstract: A process for the preparation of esters of tetrahydropyran-4-carboxylic acid of the general formula I, where R1 is an alkyl, cycloalkyl, or aryl group, by treating butyrolactones of the general formula II, where R2 is a hydrogen atom, an alkyl group, or an acyl group -CO-R3, R3 being a hydrogen atom or an alkyl group with from 1 to 6 carbon atoms, with alcohols of the general formula III at temperatures of from 150 DEG C. to 400 DEG C. in the presence of acid catalysts.

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