• 由对羟基甲醛经过反应合成了酚腈。

    Nitroxynil was also prepared from p -hydroxybenzaldehyde by nitration , cyanation and iodination of the product.

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  • 乙醇溶剂碘化,由金属二酚丁烷合成了1 ,4 -二氧基

    With ethyl alcohol as solvent and sodium iodide as catalyst, 1,4-dibutoxybenzene was synthesized from metal sodium, hydroquinone and n-butyl bromide.

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  • 乙酸原料,四丁基铵为催剂合成了氧乙酸,收率96 2 %。

    Phenoxyacetic acid was synthesized with phenol and chloroacetic acid as raw material and tetrabutylammonium iodide as catalyst, the yield can reach 96.2%under the optimun conditions.

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  • 方法采用了薄扫描,以-丙酮-醋酸乙酯-浓(2∶3∶4∶0.2)展开碘化试液

    Method:Thin layer scan used benzene-acetone-ethel acetate-strong ammonia solution(2:3:4:0.2) as a dose, diluted iodized bismuth potassium solution Hin color agent for;

    youdao

  • 方法采用了薄扫描,以-丙酮-醋酸乙酯-浓(2∶3∶4∶0.2)展开碘化试液

    Method:Thin layer scan used benzene-acetone-ethel acetate-strong ammonia solution(2:3:4:0.2) as a dose, diluted iodized bismuth potassium solution Hin color agent for;

    youdao

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