| 摘要 |
<p>An improved process for preparing 2-fluoronitrobenzene by reacting 2-chloronitrobenzene with ultra-fine particulate potassium fluoride in tetramethylene sulfone with a macrocyclic ether or a quaternary ammonium halide catalyst. 2-fluoronitrobenzene is an intermediate useful in the preparation of certain known herbicides.</p> |
