The complex of quatemare ammonium halide and hydrogen halide was found to he the very efficient catalyst in the rapid cleavage and esterification of benzyl alkyl ethers with carboxylic acids under microwave irradiation.
Aromatic ethers were conveniently brominated with quaternary ammonium bromide and iodosylbenzene in glacial acetic acid under mild conditions to give the corresponding monobromo-aromatic ethers in nearly quantitative ...Aromatic ethers were conveniently brominated with quaternary ammonium bromide and iodosylbenzene in glacial acetic acid under mild conditions to give the corresponding monobromo-aromatic ethers in nearly quantitative yields.展开更多
文摘The complex of quatemare ammonium halide and hydrogen halide was found to he the very efficient catalyst in the rapid cleavage and esterification of benzyl alkyl ethers with carboxylic acids under microwave irradiation.
文摘Aromatic ethers were conveniently brominated with quaternary ammonium bromide and iodosylbenzene in glacial acetic acid under mild conditions to give the corresponding monobromo-aromatic ethers in nearly quantitative yields.
