CAS: 399-95-1; 4-Amino-3-Fluorophenol

上下游产品

CAS号394-41-2 3-氟-4-硝基苯酚 | CAS号18266-53-0 2-氟-4-羟基苯胺盐酸盐 | CAS号7439-89-6 铁粉 | CAS号127682-43-3 O-(3-fluorophen... | CAS号326-18-1 3-fluoro-4-phen... | CAS号372-20-3 3-氟苯酚 | CAS号143268-82-0 8-fluoro-6-hydr... | CAS号835621-07-3 盐酸瑞格非尼 | CAS号755037-03-7 瑞格非尼 | CAS号757251-39-1 4-(4-氨基-3-氟苯氧基)... | CAS号101463-63-2 4-[2-chloro-4-(... | CAS号1020172-07-9 N-[3-叔丁基-1-(喹啉-... | CAS号367-28-2 5-氯-2-硝基甲苯 | CAS号757251-54-0 4-(4-氨基-3-氟苯氧基)... | CAS号821765-73-5 3-(2-fluoro-4-h... | CAS号821765-75-7 N-(2-fluoro-4-h...

1-氟-2-硝基苯置于硫酸,2 % Platinum On Carbon,氢气体系中,60.0 °C,800.01 Kpa 条件下,反应 0.03H,以82%的收率获得产物4-氨基-3-氟苯酚
参考文献:一种制备2-氟-4-羟基苯胺的方法
标题:一种制备2-氟-4-羟基苯胺的方法
摘要:本发明提供了一种制备2‑氟‑4‑羟基苯胺的方法,其以邻氟硝基苯为原料,在连续流反应器中催化加氢合成邻氟苯基羟胺,再在酸性条件下重排得到2‑氟‑4‑羟基苯胺.本发明采用连续流反应技术,系统解决了2‑氟‑4‑羟基苯胺现有合成工艺中反应选择性差,反应时间长,反应收率低,单位原材料成本高,安全风险高等技术缺陷,为2‑氟‑4‑羟基苯胺工业化生产创造了条件.

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-2004220253-A1
优先权日:2000-12-04
标题 :Synthesis of pyrrole amides
发明人：RAGAN JOHN A
权利人:PFIZER
摘要:A method for preparing particular pyrrole-carboxamides which selectively bind to GABAa receptors; which comprises reacting 1,3-cycloalkanediones with bromoethylacetate followed by reaction of the resulting product with an acid halide followed by reaction with an aromatic amine and finally with an amonium source at an elevated temperature.

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:EP-1339681-A1
优先权日:2000-12-04
标 题:Synthesis of fused pyrrolecarboxamides