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    • 7. 发明公开
    • 클로로술포닐이소시아네이트의 제조방법
    • 生产氯甲磺酸异氰酸酯的方法
    • KR1020060101532A
    • 2006-09-25
    • KR1020067011648
    • 2004-12-15
    • 닛뽕소다 가부시키가이샤
    • 스가와라무츠미이마가와츠토무마스이후미타카
    • C07C303/06C07C303/34C07C311/65
    • C01C3/145C07C303/34C07C307/00
    • A method for producing chlorosulfonyl isocyanate wherein chlorocyanogen is reacted with sulfur trioxide to form chlorosulfonyl isocyanate, characterized in that chlorosulfonyl isocyanate or a fluid containing chlorosulfonyl isocyanate is used as a solvent for the reaction, and approximately equimolar amounts of sulfur trioxide and chlorocyanogen, which are respectively diluted with chlorosulfonyl isocyanate or a fluid containing chlorosulfonyl isocyanate, are simultaneously fed under reflux to a reaction system. The above method can be employed for producing chlorosulfonyl isocyanate having a high purity from sulfur trioxide and chlorocyanogen, in a high yield, with good operability, while achieving savings in the equipment and in the effort for temperature control.
    • 一种氯代磺酰基异氰酸酯的制备方法,其中氯氰酸酯与三氧化硫反应以形成氯磺酰基异氰酸酯,其特征在于使用氯磺酰基异氰酸酯或含有氯磺酰基异氰酸酯的流体作为反应的溶剂,以及近似等摩尔量的三氧化硫和氯氰化物, 分别用氯磺酰基异氰酸酯或含有氯磺酰基异氰酸酯的流体稀释,同时在回流下加入到反应体系中。 上述方法可以用于以高产率生产具有高纯度的三氧化硫和氯氰酸的氯磺酰基异氰酸酯,具有良好的可操作性,同时实现了设备的节省和温度控制的努力。