High ortho-selectivity in the chlorination of phenols with N-chlorodialkylamines in the presence of silica.
作者:Keith Smith、Michael Butters、Barry Nay
DOI:10.1016/s0040-4039(00)80287-7
日期:1988.1
Phenols are readily chlorinated by N-chlorodialkylamines in the presence of silica. Furthermore, this approach allows greater selectivity for mono: di and ortho: para chlorination than is possible with many other approaches.
在二氧化硅的存在下,苯酚很容易被N-氯二烷基胺氯化。此外,与许多其他方法相比,这种方法对单氯化,二氯化和邻氯化对氯的选择性更高。