CAS: 66422-95-5; 2-(2,4-Diaminophenoxy)Ethanol Dihydrochloride

上下游产品

propylene glycol 2,4-dichloro-1,5-dinitrobenzene

1,2-丙二醇,1,5-二氯-2,4-二硝基苯 在 盐酸体系中,用 二氯甲烷,水作为反应溶剂,反应 20.0H,获得 2,4-Diaminophenoxyethanol DihydroChloride
参考文献:一种2,4-二氨基苯氧乙醇盐酸盐的制备方法
标题:一种2,4-二氨基苯氧乙醇盐酸盐的制备方法
摘要:本发明提供的2,4‑二氨基苯氧乙醇盐酸盐的制备方法,以1,5‑二氯‑2,4‑二硝基苯和1,2‑丙二醇为原料,以质子性溶剂或极性非质子溶剂为溶剂,在50‑60料的温度条件下反应20个小时,制得中间产物;中间产物为原料,以二氯甲烷为溶剂,并加入还原剂和催化剂,在50‑60原的温度条件下反应4~5个小时,加入盐酸和水,然后将水和二氯甲烷减压浓缩干,加入乙醇,回流4~5个小时,最后加入盐酸酸化制得2,4‑二氨基苯氧乙醇盐酸盐.本发明两步合成出产品,原料简单易得,合成工艺简单,便于放大生产,生产成本低,便于工业化生产,具有很大的市场潜力.

专利信息

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-6492502-B2
优先权日:1997-11-21
标 题:Azo compounds, use in dyeing, compositions containing them and dyeing processes
发明人：HENRION JEAN-CHRISTOPHE; PHILIPPE MICHEL
权利人:OREAL
摘要:Azo compounds of the 2-(4-amino)phenyldiazinecarboximidamide type and 2-(4-amino)phenylhydrazinecarboximidamide type, a process for their synthesis, their use for dyeing keratin fibers, dye compositions containing them, and dyeing processes.