44.
    发明专利
    未知

    公开(公告)号:BRPI0609798A2

    公开(公告)日:2011-10-11

    申请号:BRPI0609798

    申请日:2006-05-18

    Applicant: BASF AG

    Abstract: The present invention relates to a process for preparing 1-alkyl-3-phenyluracils of the formula I where the variables R1 to R7 are as defined in the description by reacting 3-phenyluracils of the formula II and alkylating agents of the formula III R1-L1  III, with one another, wherein during the entire reaction the pH is kept in a range from 1 to 6 by adding base a little at a time.

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