Protection of Hydroxyl Groups as a Trimethylsilyl Ether by 1,1,1,3,3,3-Hexamethyldisilazane Promoted by Aspartic Acid as an Efficient Organocatalyst
作者:Arash GHORBANI-CHOGHAMARANI、Masoomeh NOROUZI
DOI:10.1016/s1872-2067(10)60210-0
日期:2011.1
Abstract A wide variety of alcohols and phenols were protected as trimethylsilyl ethers using 1,1,1,3,3,3-hexamethyl disilazane catalyzed by aspartic acid as a non-toxic, metal-free, and green organocatalyst at room temperature in acetonitrile under mild and heterogeneous conditions. The procedure is operationally simple and the silylated product was obtained in high yield and purity.
摘要 使用 1,1,1,3,3,3-六甲基二硅氮烷作为无毒、无金属、绿色有机催化剂,在室温下,在乙腈中,天冬氨酸催化下,多种醇和酚被保护为三甲基甲硅烷基醚。在温和和异质条件下。该程序操作简单,以高产率和纯度获得甲硅烷基化产物。