4-aminophenol derivatives and colorants comprising these compounds
申请人:Wella Aktiengesellschaft
公开号:EP1762218A1
公开(公告)日:2007-03-14
4-Aminophenol derivative of the general formula (I) or physiologically compatible, water-soluble salt thereof,
and agent comprising these compounds for the oxidative dyeing of keratin fibers.
4-Aminophenol derivatives and colorants comprising these compounds
申请人:Pasquier Cecile
公开号:US20070067922A1
公开(公告)日:2007-03-29
4-Aminophenol derivative of the general formula (I) or physiologically compatible, water-soluble salt thereof,
and agent comprising these compounds for the oxidative dyeing of keratin fibers.
A one-pot approach using a subsequent Cu(II)/Cu(I) catalysis and a highly diastereodivergent three-component reaction allow an easy access to various aryl-pyrrolo-tetrahydrocarbazoles with the Control Of Up to four variable fragments and two different diastereoselectivities. (C) 2008 Elsevier Ltd. All rights reserved.
Govindachari, Current Science, 1941, vol. 10, p. 76