4502-01-6Relevant academic research and scientific papers
Oxidation of marchantin A trimethyl ether and related aromatic compounds with m-chloroperbenzoic acid
Tori, Motoo,Sono, Masakazu,Toyota, Masao,Asakawa, Yoshinori
, p. 647 - 650 (2007/10/03)
Marchantin A trimethyl ether was subjected to react with m-chloroperbenzoic acid to yield hydroxylated derivatives as well as ring C degraded esters. This reaction was confirmed by application to catechol dimethyl ether and dihydroeugenol dimethyl ether.
The acid-catalyzed oxidation of methoxybenzenes to p-benzoquinones by dimethyldioxirane
Adam,Shimizu
, p. 560 - 562 (2007/10/02)
Methoxybenzenes 1 were oxidized to phenols and/or p-benzoquinones by dimethyldioxirane; in the presence of strong acids, the intermediate phenols were effectively converted to the p-benzoquinones 3.
Method for dyeing keratinous fibres using a monohydroxyindole or dihydroxyindole and a non-oxidizing aromatic carbonyl derivative and dyeing agent
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, (2008/06/13)
The present invention relates to a method for dyeing keratinous fibers, characterized in that the following are applied to the fibers: a) a composition (A) containing, in a medium appropriate for dyeing, at least one monohydroxyindole or dihydroxyindole, this application being preceded or followed by the application of b) a composition (B) containing, in a medium appropriate for dyeing, at least one aromatic carbonyl derivative chosen from hydroxyacetophenones, hydroxybenzophenones, 2-hydroxy-1,4-benzoquinones, hydroxy-1,4-naphthoquinones,amino-1,4-naphthoquinones,hydroxy-9,10-anthraquinones and amino-9,10-anthraquinones. It also relates to the dyeing agents for carrying it out.
