VERFAHREN ZUR HERSTELLUNG VON 1-ALKYL-3-PHENYLURACILEN

    公开(公告)号:EP1893586A1

    公开(公告)日:2008-03-05

    申请号:EP06755248.9

    申请日:2006-05-18

    申请人: BASF SE

    IPC分类号: C07D239/54

    CPC分类号: C07D239/54

    摘要: The invention relates to a method for production of 1-alkyl-3- phenyluracils of formula (I), where the variables R1 to R7 have the meanings given in the description, whereby 3-phenyluracils of formula (II) and alkylating agents of formula (III) are reacted together, characterised in that during the complete reaction the pH is maintained in the range of 1 to 6 by portioned addition of base.

    摘要翻译: 本发明涉及制备式(I)的1-烷基-3-苯基尿嘧啶的方法,其中变量R 1至R 7具有说明书中给出的含义,由此式(II)的3-苯基尿嘧啶和式 (III)一起反应,其特征在于在完全反应期间,通过分批加入碱将pH保持在1至6的范围内。