Hydroxy- and Aminophenyl Radicals from Arenediazonium Salts
作者:Gerald Pratsch、Christian A. Anger、Katharina Ritter、Markus R. Heinrich
DOI:10.1002/chem.201003713
日期:2011.4.4
Arenediazoniumsalts are well‐known sources of aryl radicals; however, the hydroxy‐ and amino‐substituted derivatives 1, 2, and 3, which lead to the respective formation of radicals 4, 5, and 6, have rarely been employed in synthetic organic chemistry so far. New synthetic applications of these species have been found, and the properties that may have previously hindered their successful use have been
Adducts of an epoxy resin and a compound containing at least one aromatic hydroxyl group and at least one polymerizable ethylenically unsaturated group per molecule are prepared which are optionally reacted with water, a secondary amine or a phenol which product is copolymerized with a polymerizable monoethylenically unsaturated carboxylic acid and a polymerizable monoethylenically unsaturated compound free of carboxylic acid groups. This product is rendered water miscible by reaction with a primary, secondary or tertiary amine or an alkali metal hydroxide, carbonate or bicarbonate. This product can then be cured with any suitable curing agent such as phenol/aldehyde compounds, urea/aldehyde compounds and melamine/aldehyde compounds and blocked isocyanates.