| 摘要 |
<p>The present invention is directed to a process for reducing the concentration of nitrosamines in dinitroanilines, which comprises treating a nitrosamine-containing dinitroaniline with PCl3, PCl5, PBr3, POCl3, SCl2, SOCl2, SO2Cl2, SOBr2, or TiCl4.</p> |
