2-ethyl-5-methyl-2H-3,4-diaminopyrazole | 184172-99-4

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: 2-ethyl-5-methyl-2H-3,4-diaminopyrazole
• 英文别名: 4,5-diamino-1-ethyl-3-methyl-pyrazole；2-ethyl-5-methylpyrazole-3,4-diamine
• CAS: 184172-99-4
• 化学式: C₆H₁₂N₄
• 分子量: 140.188
• InChiKey: MEKRUGGNBTYVRV-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.1
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  69.9
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  2-ethyl-5-methyl-2H-3,4-diaminopyrazole 、 6-甲氧基-2,3-二氨基吡啶盐酸盐 在 sodium hydroxide 、 ammonium cerium(IV) nitrate 作用下， 以 水 、 乙腈 为溶剂， 反应 4.0h， 生成
  参考文献：
  名称：

  Novel heteroaromatic trinuclear black direct dyes

  摘要：

  本发明涉及新型杂环三核直接染料、含有这些染料的染料组合物以及使用它们染色角蛋白纤维的过程。特别地，本发明涉及包含吡啶核的杂环三核直接染料。这些新型染料能够获得黑色色调，显示出良好的牢度和染料组合物中的良好稳定性。

  公开号：

  US20050060815A1

文献信息

• [EN] DYE COMPOSITION COMPRISING A CATIONIC O-ALKYL-SUBSTITUTED META-PHENYLENEDIAMINE DERIVATIVE<br/>[FR] COMPOSITION DE TEINTURE COMPRENANT UN DÉRIVÉ DE MÉTA-PHÉNYLÈNEDIAMINE CATIONIQUE À SUBSTITUTION ALKYLE O
  申请人：OREAL

  公开号：WO2014026952A1

  公开（公告）日：2014-02-20

  The invention relates to a meta-phenylenediamine compound of formula (I) below, the addition salts thereof with an acid and the solvates thereof: in which: R represents a hydrogen or halogen atom; a C1-C4 alkyl radical; a carboxyl radical or a (C1-C4) alkoxycarbonyl radical, R1 represents a linear C1-C10 alkyl radical substituted with a cationic radical, said alkyl radical being optionally interrupted with one or more oxygen atoms and/or with one or more NR6 groups, said cationic radical being optionally substituted with one or more radicals chosen from C1-C4 alkoxy or C1-C4 (hydroxy )alkyl; R6 represents a hydrogen atom or a linear or branched C1-C4 alkyl radical; An- represents an anion or a mixture of anions which are organic or inorganic and cosmetically acceptable.

  该发明涉及以下式（I）的一个甲苯二胺类化合物，以及其与酸的加合盐和溶剂化合物：其中：R代表氢或卤素原子；一个C1-C4烷基基团；一个羧基或（C1-C4）烷氧羰基基团，R1代表一个线性的C1-C10烷基基团，该基团被一个阳离子基团取代，所述烷基基团可以选择性地被一个或多个氧原子和/或一个或多个NR6基团中断，所述阳离子基团可以选择性地被一个或多个从C1-C4烷氧基或C1-C4（羟基）烷基中选择的基团取代；R6代表氢原子或线性或支链的C1-C4烷基基团；An-代表一个有机或无机且在化妆品中可接受的阴离子或阴离子混合物。
• Novel double para-phenylenediamines joined by a linker arm substituted with at least one group chosen from hydroxyl, alkoxy, and/or amino groups and method of dyeing keratinous fibers
  申请人：Sabelle Stéphane

  公开号：US20070011827A1

  公开（公告）日：2007-01-18

  Disclosed herein is a novel family of double para-phenylenediamines joined by a linker arm comprising at least one substituent chosen from hydroxyl, alkoxy, and/or amino substituents. Also disclosed herein is a dyeing composition comprising, in a medium suitable for dyeing, at least one para-phenylenediamine joined by a linker arm comprising at least one substituent chosen from hydroxyl, alkoxy, and/or amino substituents. Further disclosed herein is a method for dyeing keratin fibers comprising applying such a dyeing composition to the keratin fibers. A multi-compartment kit comprising at least one dyeing composition of the present disclosure and at least one oxidizing composition is also disclosed herein.

  本文揭示了一类新型的双对苯二胺家族，其由至少选择自羟基、烷氧基和/或氨基取代基的连接臂连接在一起。本文还揭示了一种染料组合物，其中在适合染色的介质中，至少有一种通过连接臂连接的对苯二胺，其连接臂包含至少选择自羟基、烷氧基和/或氨基取代基。此外，本文还揭示了一种染色角蛋白纤维的方法，包括将这种染料组合物应用于角蛋白纤维。本文还揭示了一种多室套装，其中至少包括本公告中的染料组合物和至少一种氧化剂组合物。
• NEW AMINOINDOLIZINES, DYEING COMPOSITION COMPRISING AT LEAST ONE AMINOINDOLIZINE, METHODS AND USES THEREOF
  申请人：VIDAL Laurent

  公开号：US20090235467A1

  公开（公告）日：2009-09-24

  A new class of chemical entities chosen from aminoindolizines of formula (I), acid addition salts thereof, and solvates thereof: their use for dyeing keratin fibers, including human keratin fibers such as the hair; dyeing compositions comprising such chemical entities; and to kits containing compositions comprising those chemical entities.

  从式(I)的氨基吲哚啉类化合物中选择的一类新化学实体，其酸加成盐和溶剂化物：它们用于染色角蛋白纤维，包括人类角蛋白纤维，如头发；包含这些化学实体的染料组合物；以及包含含有这些化学实体的组合物的工具包。
• N-alkylpolyhydroxylated secondary para-phenylenediamines, dye compositions comprising them, processes, and uses thereof
  申请人：Sabelle Stephane

  公开号：US20060026777A1

  公开（公告）日：2006-02-09

  The present disclosure relates to novel N-alkylpolyhydroxylated secondary para-phenylenediamines, to processes for preparing them, to compositions for dyeing keratin fibers, for example keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one such secondary para-phenylenediamine. The present disclosure also relates to processes for dyeing keratin fibers with the compositions according to the present disclosure, and to dyeing kits containing such compositions.

  本发明涉及新型N-烷基多羟基化二级对苯二胺，涉及制备它们的方法，涉及用于染色的角蛋白纤维，例如头发的组合物，其包含在适合染色的介质中，至少一种此类二级对苯二胺。本发明还涉及使用根据本发明的组合物对角蛋白纤维进行染色的方法，以及包含此类组合物的染色套装。
• Novel double para-phenylenediamines joined by a linker arm substituted with one or more carboxylic radicals and/or derivatives and use in dyeing
  申请人：Bordier Thierry

  公开号：US20070011826A1

  公开（公告）日：2007-01-18

  The present application relates to a novel family of double para-phenylenediamines joined by a linker arm substituted with one or more carboxylic radicals and/or derivatives and to the use thereof for the dyeing of keratin fibres. These novel para-phenylenediamines are useful as oxidation bases for the dyeing of keratin fibres.

  本申请涉及一种新型的双对苯二胺家族，其通过连接一个或多个羧基和/或衍生物取代的连接臂相连，并且用于染色角蛋白纤维。这些新型对苯二胺可用作染色角蛋白纤维的氧化碱。