24.
    发明专利
    未知

    公开(公告)号:DE3834861A1

    公开(公告)日:1990-04-19

    申请号:DE3834861

    申请日:1988-10-13

    Applicant: BASF AG

    Abstract: Arylalkoxycoumarins of the general formula I I where R1 and R2 independently of one another are each hydrogen, lower alkyl, phenyl or halogen, or the two radicals together form an alkylene bridge of 3 to 5 carbon atoms, R3 is lower alkyl or halogen, n is an integer of from 0 to 3, m is an integer of from 0 to 4, R4 is hydrogen or lower alkyl and Ar is a phenyl ring which is monosubstituted to trisubstituted by halogen, C1-C6-alkyl or C1-C6-alkoxy or monosubstituted by nitro, cyano or trifluoromethyl or is a naphthyl ring, with the proviso that m is not 0 when Ar is unsubstituted phenyl, processes for their preparation, and drugs prepared therefrom.

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