CAS: 55302-96-0; 5-((2-Hydroxyethyl)Amino)-2-Methylphenol

上下游产品

5-氨基-2-甲基苯酚 Amino-4 Hydroxy-2 Toluene 2835-95-2

环氧乙烷,5-氨基-2-甲基苯酚置于nay体系中,用 二乙二醇二甲醚 作为反应溶剂,化学反应 3.5H,以94.1%的收率获得产物5-(2-羟乙基)氨基邻甲苯酚
参考文献:一种5-(2-羟乙基)氨基邻甲苯酚的制备方法
标题:一种5-(2-羟乙基)氨基邻甲苯酚的制备方法
摘要:本发明涉及一种5‑(2‑羟乙基)氨基邻甲苯酚的制备方法,特征在于包括下述步骤:(1)缩合反应:在一定溶剂中,5‑氨基‑2‑甲基苯酚与环氧乙烷在催化剂作用下进行缩合反应;(2)蒸馏:将反应液减压蒸馏回收溶剂,得到5‑(2‑羟乙基)氨基邻甲苯酚粗品;(3)纯化:5‑(2‑羟乙基)氨基邻甲苯酚的粗品经过有机溶剂重结晶处理得到5‑(2‑羟乙基)氨基邻甲苯酚精制品.本发明在提高产品质量品质的同时减少环境污染,降低成本,操作简单,使产品生产清洁化,环保化,使产品更适合大批量生产.

专利信息

专利号:US-6306179-B1
优先权日:1997-10-22
标题:Method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines, new 2-hydroxyalkyl-para-phenylenediamines, their use for oxidation dyeing, dyeing compositions and methods of dyeing
发明人：GENET ALAIN; LAGRANGE ALAIN
权利人:OREAL
摘要:The present invention relates to a new method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines which are substituted or unsubstituted at the 5-position of the benzene ring, new 2-hydroxyalkyl-para-phenylenediamines which are substituted or unsubstituted at the 5-position of the benzene ring, their use for the oxidation dyeing of keratinous fibers, the dyeing compositions containing them, as well as the methods of dyeing using them.

专利号:US-6118008-A
优先权日:1996-05-03
标 题:Diamino pyrazols, their synthesis, keratin fibre dyeing compositions containing them, keratin fibre dyeing methods
发明人：MALLE GERARD; VIDAL LAURENT; BURANDE AGNES; MAUBRU MIREILLE
权利人:OREAL
摘要:The invention discloses new 5-substituted 3,4-diamino pyrazols, their methods of preparation, compositions for keratin fiber oxidation dyeing containing them as an oxidizing base, and the dyeing methods using same.

专利号:US-8012220-B2
优先权日:2006-04-13
标题 :Specific monocationic monochromophoric compounds of hydrazone type comprising a 2-, 4-pyridinium or 2-, 4-quinolinium unit, synthesis thereof, dye compositions containing them, and method for dyeing keratin fibres
发明人：DAVID HERVE; MURGUET NADEGE; GREAVES ANDREW
权利人:OREAL
摘要:The present disclosure relates to monocationic monochromophoric compounds of formula (I) and (II) and dyeing compositions and multicompartment devices comprising monocationic monochromophoric compounds of formula (I) and (II). The disclosure also relates to methods for preparing monocationic monochromophoric compounds of formula (I) and (II), and also to methods for dyeing comprising applying monocationic monochromophoric compounds of formula (I) and (II) to keratin fibers.

专利号:WO-2008028776-A1
优先权日:2006-09-06
标题 :Agents containing bioquinones and specific emulsifiers
发明人：SCHULZE ZUR WIESCHE ERIK; SCHEUNEMANN VOLKER; POPPE ELISABETH; WELSS THOMAS; GIESEN MELANIE
权利人:HENKEL KGAA; SCHULZE ZUR WIESCHE ERIK; SCHEUNEMANN VOLKER; POPPE ELISABETH; WELSS THOMAS; GIESEN MELANIE
摘要:The invention relates to cosmetic agents, in particular hair treatment agents, containing at least one specific emulsifier and at least one bioquinone. Treating the hair with said agents activates the keratin synthesis of hair keratin that declines with age.

专利号:US-10731038-B2
优先权日:2016-06-23
标题 :(Dis)symmetric azomethine-type direct dye comprising at least one pyrazolopyridine unit, process for dyeing keratin fibers using this dye
发明人：SABELLE STÉPHANE; BLAIS STÉPHANE; FADLI AZIZ
权利人:OREAL
摘要:The subject of the present invention is symmetric or dissymetric azomethine direct dyes comprising at least one pyrazolopyridine unit of formula (I), a composition comprising said dyes, a process for treating keratin fibers using said dyes, a process for preparing these compounds, synthesis intermediates and a kit. In which formula (I) X, Y 1 , Y 2 , Z 1 , and R 1 to R 5 are as defined in the description.

专利号:US-6002018-A
优先权日:1995-12-06
标题 :N-substituted 4-hydroxyindoline derivatives
发明人：TERRANOVA ERIC; FADLI AZIZ; LAGRANGE ALAIN
权利人:OREAL
摘要:The invention relates to N-substituted 4-hydroxyindoline derivatives, to their process of synthesis, to their use as couplers for the oxidation of dyeing of keratinous fibers, in combination with at least one oxidation base, and to the dyeing processes in which they are used.