PROCESS FOR THE PREPARATION OF 4-HYDROXYALKYLAMINO-2-NITRO-ANISOLES
    5.
    发明申请
    PROCESS FOR THE PREPARATION OF 4-HYDROXYALKYLAMINO-2-NITRO-ANISOLES 审中-公开
    制备4-羟基喹啉-2-硝基苯酚的方法

    公开(公告)号:WO2007122579A3

    公开(公告)日:2009-05-22

    申请号:PCT/IB2007051468

    申请日:2007-04-20

    CPC classification number: C07C217/84

    Abstract: A process for the preparation of 4-hydroxyalkylamino-2-nitro-anisoles of the general formula (I) wherein m is 2 or 3; by reaction of a 4-halogeno-3-nitro-aniline of formula (II) with a chloroalkyl-chloroformate, alkaline ring closure of the resulting carbamate and nucleophilic replacement of the halogeno atom by a methoxy group to form a derivative of formula (IV), and finally ring opening of the resulting cyclic carbamate by treatment with methanolic alkali metal hydroxide, followed by neutralization with inorganic or organic acids, wherein the complete reaction is executed in a non-aqueous medium; as well as process for the preparation of 2-amino-4- hydroxyalkylamino-anisoles of formula (V).

    Abstract translation: 制备通式(I)的4-羟基烷基氨基-2-硝基 - 茴香醚的方法,其中m为2或3; 通过式(II)的4-卤代-3-硝基 - 苯胺与氯代烷基 - 氯甲酸酯的反应,所得氨基甲酸酯的碱闭环和通过甲氧基的卤代原子的亲核取代形成式(IV)的衍生物 ),最后通过用甲醇碱金属氢氧化物处理开环所得的环状氨基甲酸酯,然后用无机或有机酸中和,其中完全反应在非水介质中进行; 以及制备式(V)的2-氨基-4-羟基烷基氨基 - 茴香醚的方法。

    DARK COLOURED AZO DYES
    6.
    发明申请
    DARK COLOURED AZO DYES 审中-公开
    色彩斑斓的AZO DYES

    公开(公告)号:WO2008050295A3

    公开(公告)日:2010-01-21

    申请号:PCT/IB2007054308

    申请日:2007-10-23

    Abstract: The present invention relates to a) a non-oxidative colouring agent for keratin fibres, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative colouring agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.

    Abstract translation: 本发明涉及a)用于角蛋白纤维,特别是人类头发的非氧化着色剂,其包含至少一种根据式(I)或(II)的染料,b)用于角蛋白纤维的氧化着色剂,特别是 人头发,其包含至少一种氧化剂(例如过氧化氢),至少一种氧化染料前体和至少一种根据式(I)或(II)的染料,和c)用于角蛋白纤维的增白剂,特别是 其包含至少一种氧化剂(例如过氧化氢)和至少一种根据式(I)或(II)的染料,其中R4是阳离子基团。

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