Highly efficient and selective methoxymethylation of alcohols and phenols catalyzed by high-valent tin(IV) porphyrin
作者:Shadab Gharaati、Majid Moghadam、Shahram Tangestaninejad、Valiollah Mirkhani、Iraj Mohammadpoor-Baltork、Farshid Kosari
DOI:10.1016/j.ica.2009.03.005
日期:2010.6
An efficient and selective method for methoxymethylation of alcohols and phenols with formaldehyde dimethyl acetal (FDMA) catalyzed by electron deficient tin(IV)tetraphenylporphyrinato trifluoromethanesulfonate, [SnIV(TPP)(OTf)2], is reported. A variety of primary, secondary and tertiary alcohols as well as phenols were converted to their corresponding methoxymethyl ethers with FDMA in the presence
报道了一种高效且选择性的方法,该方法通过缺电子的锡(IV)四苯基卟啉锡[Sn IV(TPP)(OTf)2 ]催化甲醛甲醛二甲基乙缩醛(FDMA)进行醇和酚的甲氧基甲基化。在高价锡(IV)卟啉存在下,使用FDMA将多种伯,仲和叔醇以及苯酚转化为相应的甲氧基甲基醚。该催化剂可用于在苯酚或叔醇存在下伯,仲和叔醇的选择性甲氧基甲基化。本方法具有许多优点,例如反应时间短,产率高,操作简单,对醇和酚的选择性和适用性。