A convenient and efficient one-pot O-alkylation of oximes from alcohols using triphenylphosphine in carbontetrachloride is described. In this method, treatment of alcohols with a mixture of triphenylphosphine, carbontetrachloride, oxime, and DBU in the presence of catalytic amounts of tetrabutylammonium iodide in refluxing acetonitrile regioselectively furnishes the corresponding O-alkyl ethers in
[EN] CARBOXYLIC ACID DERIVATIVE-SUBSTITUTED IMINO ARYL COMPOUND, PREPARATION METHOD THEREFOR, HERBICIDAL COMPOSITION AND USE THEREOF<br/>[FR] COMPOSÉ IMINO-ARYLE SUBSTITUÉ PAR UN DÉRIVÉ D'ACIDE CARBOXYLIQUE, SON PROCÉDÉ DE PRÉPARATION, COMPOSITION HERBICIDE ET UTILISATION ASSOCIÉE<br/>[ZH] 一种羧酸衍生物取代的亚氨基芳基化合物及其制备方法、除草组合物和应用