A straightforward approach to unsaturated carboxylic acid derivatives starting from bis-silylated precursors
作者:Annalisa De Girolamo、Vito Fiandanese、Giuseppe Marchese、Angela Punzi
DOI:10.1016/s0040-4020(98)00759-5
日期:1998.10
unsaturated carboxylic acid derivatives, such as amides, nitriles and esters, has been developed, starting from easily accessible bis-silylated precursors. The key step was based upon the reaction of a bis-silylated diene and a bis-silylated enyne with chlorosulphonyl isocyanate, which afforded mono-silylated amides, easily converted into substituted nitriles and esters.
从容易获得的双甲硅烷基化的前体开始,已经开发了一种新的合成方法来取代酰胺,腈和酯等取代的不饱和羧酸衍生物。关键步骤基于双甲硅烷基化的二烯和双甲硅烷基化的烯炔与氯磺酰基异氰酸酯的反应,从而制得单甲硅烷基化的酰胺,该酰胺易于转化为取代的腈和酯。