Process for the preparation of aryl haloformates and diaryl carbonates
    2.
    发明授权
    Process for the preparation of aryl haloformates and diaryl carbonates 失效
    制备卤代甲酸芳基酯和碳酸二芳基酯的方法

    公开(公告)号:US5424473A

    公开(公告)日:1995-06-13

    申请号:US214863

    申请日:1994-03-16

    IPC分类号: C07C68/02

    CPC分类号: C07C68/02

    摘要: A process of preparing diaryl carbonates, such as diphenyl carbonate, and aryl haloformates, such as phenyl chloroformate. The process involves contacting phenol or a substituted phenol with a carbonyl halide, such as phosgene, in the presence of a phosphorus-containing catalyst. The catalyst is selected from alkyl phosphates, aryl phosphites, aryl phosphates, organic phosphinites and phosphinates, organic pyrophosphates, inorganic phosphorous and phosphoric acids, and phosphorus oxides.

    摘要翻译: 制备碳酸二芳酯如碳酸二苯酯和卤代甲酸芳基酯如氯甲酸苯酯的方法。 该方法包括在含磷催化剂存在下使苯酚或取代的酚与碳酰卤如光气接触。 催化剂选自磷酸烷基酯,亚磷酸芳基酯,磷酸二氢铵,有机亚磷酸盐和次膦酸盐,有机焦磷酸盐,无机磷和磷酸以及磷氧化物。