Ban Yong-Liang, Dai Jian-Ling, Jin Xiao-Ling, Zhang Qing-Bao, Liu Qiang
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
Chem Commun (Camb). 2019 Aug 21;55(65):9701-9704. doi: 10.1039/c9cc05354a. Epub 2019 Jul 26.
We developed a new means of activating aldoximes by an in situ generated thiocyanate radical from ammonium thiocyanate and molecular oxygen at room temperature. With a catalytic amount of organic dye aizenuranine as the photocatalyst, the dehydration of aldoximes proceeds smoothly under visible light irradiation, providing a simple to handle, excellent functional group tolerance, and metal-free protocol for a wide range of nitriles.
我们开发了一种新方法,可在室温下由硫氰酸铵和分子氧原位生成硫氰酸根自由基来活化醛肟。以催化量的有机染料爱染菁作为光催化剂,醛肟的脱水反应在可见光照射下顺利进行,为多种腈类化合物提供了一种易于操作、官能团耐受性良好且无金属的合成方法。