Metal-Free Regioselective Monocyanation of Hydroxy-, Alkoxy-, and Benzyloxyarenes by Potassium Thiocyanate and Silica Sulfuric Acid as a Cyanating Agent
作者:Ali Reza Sardarian、Iman Dindarloo Inaloo、Ali Reza Modarresi-Alam、Erich Kleinpeter、Uwe Schilde
DOI:10.1021/acs.joc.8b02191
日期:2019.2.15
A novel and efficient metal- and solvent-free regioselective para-C–H cyanation of hydroxy-, alkoxy-, and benzyloxyarene derivatives has been introduced, using nontoxic potassium thiocyanate as a cyanating reagent in the presence of silica sulfuric acid (SSA). The desired products are obtained in good to high yields without any toxic byproducts.
引入了一种新颖,有效的无金属和无溶剂的羟基,烷氧基和苄氧基芳烃衍生物的对-C-H氰化氰化物,在二氧化硅硫酸(SSA)存在下,使用无毒的硫氰酸钾作为氰化试剂。所需产物以高至高收率获得,没有任何有毒副产物。