• Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.

    乙二醇作为卤素交换氟化反应有效转移催化剂

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  • The halogen exchange method to prepare p fluoronitrobenzene under microwave irradiation and conventional heat was studied. Drying KF by azeotropy and microwave irradiation was proposed.

    该文研究微波辐射常规加热卤素交换化合成对氟硝基苯的方法,提出了共沸干燥和微波干燥制备无水KF的方法。

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  • The application of microwave technology in halogen-exchange reaction has many merits, such as short reaction time and high yield.

    微波加热卤素交换氟化反应中的应用结果显示其具有反应时间产率优点

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  • According to the mechanism of the exchange of metal-halogen, the time and temperature of reaction is proper extended, and the quality of reaction of grignard is improved.

    根据金属—卤素交换机理适当延长时间降低温度使格利雅合成质量得到提高。

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  • The application of microwave technology in halogen-exchange reaction has many merits, such as short reaction time and high yield.

    微波加热可以明显促进卤素交换反应的速率,实验结果显示它比常规加热具有更高的选择性产率。

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  • The application of microwave technology in halogen-exchange reaction has many merits, such as short reaction time and high yield.

    微波加热可以明显促进卤素交换反应的速率,实验结果显示它比常规加热具有更高的选择性产率。

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