DU Xiao-hua, XU Xiang-sheng, XU Zhen-yuan. A Safe and Effective Method for Preparation of Aromatic Isocyanates Using Bis Carbonate[J]. Chinese Journal of Pesticide Science, 2002, 4(4): 83-85.
    Citation: DU Xiao-hua, XU Xiang-sheng, XU Zhen-yuan. A Safe and Effective Method for Preparation of Aromatic Isocyanates Using Bis Carbonate[J]. Chinese Journal of Pesticide Science, 2002, 4(4): 83-85.
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    A Safe and Effective Method for Preparation of Aromatic Isocyanates Using Bis Carbonate

      Abstract
    • A series of aromatic isocyanates were synthesized by adding dropwise corresponding arylamines into the solution of bis(trichloromethyl) carbonate (BTC) and refluxing. In comparison with the phosgene method, the BTC method has such advantages as operationally safe and convenient, environmentally friendly, product yield and purity high, and economical.
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