An efficient demethylation reaction for aromatic methyl ethers has been developed. Deprotection reactions give high yields with butylpyridinium bromide under microwave irradiation. Basic and acidic functional groups are tolerated if the reaction is performed under acidic conditions.
                                    一种高效的芳香
甲醚脱甲基反应已经开发出来。在微波照射下使用丁基
吡啶溴盐的保护基团脱除反应能够获得高产率。如果反应在酸性条件下进行,则可以容忍具有碱性或酸性官能团的分子。