作者:Richard D. Chambers、Peter A. Martin、Graham Sandford、D. Lyn H. Williams
DOI:10.1016/j.jfluchem.2008.04.009
日期:2008.10
The effect of fluorine as a substituent group on nucleophilic aromatic substitution is discussed, where a fluorine atom located ortho to the point of substitution may be of variable activating influence, whereas fluorine located para is slightly deactivating and meta is activating. A rationale of these effects is presented and evidence to support polar influences by ortho fluorine is advanced. The