Selective Synthesis of Carbonates from Glycerol, CO2, and Alkyl Halides Using tert-Butyltetramethylguanidine
作者:Masatoshi Mihara、Kaname Moroga、Tetsuo Iwasawa、Takeo Nakai、Takatoshi Ito、Toshinobu Ohno、Takumi Mizuno
DOI:10.1055/s-0037-1610027
日期:2018.8
Herein, we describe the guanidine-promoted synthesis of carbonates from glycerol, CO2, and alkyl halides. Specifically, a linear tricarbonate (1,2,3-tri-O-butoxycarbonylglycerol), a dicarbonate [butyl (2-oxo-1,3-dioxolan-4-yl)methyl carbonate] containing a linear and a cyclic moiety, and a cyclic monocarbonate (4-hydroxymethyl-2-oxo-1,3-dioxolan) were selectively obtained in good yields, which were
在此,我们描述了从甘油、CO2 和烷基卤化物中胍促进的碳酸酯合成。具体而言,直链三碳酸酯(1,2,3-三-O-丁氧基羰基甘油)、含有直链和环状部分的二碳酸酯[丁基(2-氧代-1,3-二氧戊环-4-基)甲基碳酸酯],和环状单碳酸酯(4-羟甲基-2-氧代-1,3-二氧戊环)以良好的产率选择性获得,这受到胍基取代基的空间体积的强烈影响。所开发的方法具有高效、条件温和的优点,是从工业副产品合成高附加值产品的有力工具。