间二氟苯__(期刊论文)

1溴2，4二氟苯合成工艺的研究

http://www.100md.com 《咸宁学院学报(医学版)》 2005年第3期

间二氟苯,,1溴2，4二氟苯；间苯二胺；间二氟苯；合成,1实验部分,2讨论,参考文献:

     摘要：目的探讨1溴2，4二氟苯合成工艺的经济方法。方法以间苯二胺为原料，经Schiemann反应及溴化，合成1溴2，4二氟苯。结果总收率为40%,纯度大于98%。结论本法具有产率高,成本低的优点。

    关键词：1溴2，4二氟苯；间苯二胺；间二氟苯；合成

    A Technological Study for Synthesis of 1Bromo2,4difluorobenzene

    ZHOU Heping , YE Faqing , LI Wuling

    (School of Pharmacy,Xianning College,Xianning Hubei 437100,China)

    ABSTRACT:Objective To explore an economical method to synthesize the 1bromo2,4difluorobenzene.Methods The compound was synthesized from mphenylene diamine by Schiemann reaction and bromination.Results The total yield reached 40% and purity was over 98%.Conclusion This method has feature of high yield and low cost.

    KEY WORDS：1bromo2,4difluorobenzene; Mphenylenediamine;Mdifluorobenzene; Synthesis

    1溴2 ......

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