CAS: 137-19-9; 4,6-Dichlororesorcinol

相似化合物

16606-61-4 95-88-5 101328-98-7

上下游产品

4-Chlororesorcinol m-phenylenedioxy)-di-acetic acid(4,6-dichloro-m-phenylenedioxy)-di-acetic acid N,N-dichlorourea recorcinol 4,6,4',6'-tetrachloro-2,2'-methanediyl-di-resorcinol 2-bromo-4,6-dichlororesorcinol (2,4-Dichlor-5-hydroxy-phenoxy)-essigsaeure 1,3-dichloro-4,6-dimethoxybenzene

📜间苯二酚置于1,3-二氯-5,5-二甲基海因,盐酸二异丙胺体系中,用 甲苯 用作溶剂,化学反应 4.0H,以74%的收率获得4,6-二氯间苯二酚
参考文献:铵盐催化的高度实用的邻苯二甲酸单邻位单卤代和苯硒化:范围和应用
标题:铵盐催化的高度实用的邻苯二甲酸单邻位单卤代和苯硒化:范围和应用
摘要:以1,3-二氯-5,5-二甲基乙内酰脲(dcdmh)作为氯化剂的邻位选择性氯化铵盐催化的苯酚和1,1'-联-2-萘酚(binol)的直接c-h单卤化反应具有已开发.催化剂负载量低(低至0.01Mol%),反应条件非常温和.包括binol在内的多种底物均与该催化方案兼容.氯化的binol是有用的合成子,用于合成范围广泛的不容易合成的不对称3-芳基binol.另外,相同的催化体系可以促进酚的邻位选择性硒化.
Doi:10.1021/acscatal.8B00327

专利信息

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.