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    MONOAZOFARBSTOFFE FÜR DIE LEDERFÄRBUNG
    1.
    发明公开
    MONOAZOFARBSTOFFE FÜR DIE LEDERFÄRBUNG 有权
    单偶氮对皮革染料

    公开(公告)号：EP2334740A1

    公开(公告)日：2011-06-22

    申请号：EP09783482.4

    申请日：2009-09-28

    申请人： BASF SE

    发明人： VOGEL, Till ,  MEIER, Stefan ,  KIESOW, Harald ,  KONDARDI, Helena ,  SOMOGYI, Laszlo

    IPC分类号： C09B29/00 ,  C09B29/36 ,  C09B62/51 ,  D06P3/32

    CPC分类号： C09B29/366 ,  C09B29/0007 ,  C09B62/51 ,  D06P3/32 ,  D06P3/3206

    摘要： The invention relates to monoazo dyes of general formula I and the salts thereof. Said monoazo dyes of general formula I are particularly suitable for dyeing leather and impart a yellow tint with excellent fastness to leather dyed with said dye. In formula I, n represents 0, 1, or 2; R
    1 represents hydrogen, C
    1 -C
    4 alkyl, COOH, C
    1 -C
    4 alkoxycarbonyl, C
    1 -C
    4 alkoxy, CN, or halogen; R
    2 represents a -CH=CH
    2 group or CH
    2 -CH
    2 -Q group in which Q represents a group that can be separated in alkaline conditions; naphth represents a group of formula X or Y, in which m represents 0, 1, or 2, and * means the link to the nitrogen of the pyrazole ring.