Organic chlorophosphanes of the formula II ##STR1## in which R.sup.1 =an aromatic or heterocyclic radical and R.sup.2 =an aliphatic radical or Cl are prepared by reacting organic phosphorus oxychlorides of the formula I ##STR2## in which R.sup.1 and R.sup.2 have the meaning mentioned above with triphenylphosphane (C.sub.6 H.sub.5).sub.3 P at an elevated temperature. The organic chlorophosphanes II are, in the main, intermediates in various specialized fields, such as the pharmaceuticals, plant protection, dyestuffs and polymers sectors.
式II中的有机
氯代膦化合物 ##STR1## 其中R.sup.1 =芳基或杂环基,R.sup.2 =脂肪基或Cl,通过在高温下将式I中的有机
磷酸氯酯与
三苯基膦(C.sub.6 H.sub.5).sub.3 P反应制备而成,其中R.sup.1和R.sup.2具有上述所述的含义。这些有机
氯代膦化合物II主要是各种专业领域的中间体,例如制药、植物保护、
染料和聚合物等领域。