上下游产品
2-Nitro-4-(β-Hydroxyethylamino)Anisole 125418-72-6📜4-甲氧基-3-硝基苯胺置于5%-Palladium/activated Carbon,氢气,Calcium Carbonate体系中,用 乙醇,水 作为反应溶剂,化学反应 5.0H,反应生成 2-氨基-4-羟乙氨基茴香醚
参考文献:2-氨基-4-(β-羟乙基氨基)苯甲醚及其硫酸盐 的制备方法
标题:2-氨基-4-(β-羟乙基氨基)苯甲醚及其硫酸盐 的制备方法
摘要:本发明涉及一种2‑氨基‑4‑(β‑羟乙基氨基)苯甲醚及其硫酸盐的制备方法,采用3‑硝基对氟苯胺为原料,经过亲核取代反应生成3‑硝基‑4‑甲氧基苯胺,3‑硝基‑4‑甲氧基苯胺再与氯甲酸氯乙酯缩合后水解脱羧一锅法合成2‑硝基‑4‑(β‑羟乙基氨基)苯甲醚,然后经加氢还原反应得到目标产品2‑氨基‑4‑(β‑羟乙基氨基)苯甲醚,其再与硫酸成盐得到2‑氨基‑4‑(β‑羟乙基氨基)苯甲醚硫酸盐.本发明具有产品质量高,收率好,合成原料易得,工艺稳定,三废排放少,成本低,经济性好等优点.
海关参考信息
- 2922110001-单乙醇胺
2908199090-其他酚的卤化衍生物
2908999090-其他酚的硝化衍生物
2918290000-其他含酚基羧酸 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
- 详情请参考:📖 海关编码查询和海关进出口税则
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-5534267-A
优先权日:1992-10-16
标题 :Composition for the oxidative dyeing of hair containing 4,5-diaminopyrazole derivatives as well as new 4,5-diaminopyrazole derivatives and process for their synthesis
发明人:NEUNHOEFFER HANS; GERSTUNG STEFAN; CLAUSEN THOMAS; BALZER WOLFGANG R
权利人:WELLA AG
摘要:The composition for oxidative dyeing of hair based on a combination of developer substances and coupler substances, contains as a developer substance 4,5-diamino-1-(4'-methoxybenzyl)pyrazole, 4,5-diamino-1-(4'-methylbenzyl)pyrazole, 4,5-diamino-1-(4'-chlorobenzyl)pyrazole, 4,5-diamino-1-(3'-methoxybenzyl)pyrazole, 4-amino-1-(4'-methoxy-benzyl) -5-methylaminopyrazole or 4-amino-5-(2'-hydroxyethyl)amino-1-(4'-methoxybenzyl)pyrazole.
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.