| 摘要 |
<p>The invention relates to new industrial products of the general formula <IMAGE> a process for the manufacture of these products and their application in hydrometallurgy. According to the invention, R is in particular an alkyl, cycloalkyl, aryl, aralkyl, carboxylate, polyoxyethylene, polyester or polycarbonate group. The process consists in reacting an alcohol or a polyol, ROH, with 2,3-dioxycarbonylpropyl chloroformate, at between -10 DEG and +20 DEG C., in the presence of an acid acceptor. Application: the compounds according to the invention are extraction agents for hydrometallurgy, which can be used in dilute solution.</p> |
