CAS: 96568-02-4; 2,6-Dichloro-5-Fluoronicotinoyl Chloride

该化合物是一种氟化尼古丁氯化物衍生物,主要用作有机合成的关键中间体,特别是在制药业和农用化学工业中,其反应式丙基氯组得以有效衍生,促进将2,6-二氯-5-氟尼基诺基分子引入目标分子中.该化合物的氟代用能增强代谢稳定性和下游应用中的生物利用率.该化合物在合成活性药物成分和作物保护剂方面特别有用.高纯度能确保混合反应的一贯性.建议在空气中进行适当的惰性处理,因为其湿度敏感性.该介质为先进的异环化学提供了多功能性建筑块.

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合成工艺路线路线简述

    📜2,6-二氯-5-氟吡啶-3-羧酸乙酯置于盐酸,氯化亚砜,三氟乙酸体系中,用 水 作为反应溶剂,化学反应 28.5H,反应生成 2,6-二氯-5-氟代烟酰氯
    参考文献:Antiviral And Antimicrobial Compounds
    标题:Antiviral And Antimicrobial Compounds
    摘要:本文披露了具有抗病毒和抗菌活性的胍和双胍衍生物.还披露了含有这些化合物作为活性成分的药物组合物,以及利用这些化合物的抗病毒和抗菌方法.还披露了使用胍和双胍衍生物治疗感染的方法.

    海关参考信息

    专利信息


    专利号:US-5204478-A
    优先权日:1992-08-20
    标题 :Process for the synthesis of 2,6-dichloro-5-fluoronicotinic acid and 2,6-dichloro-5-fluoronicotinoyl chloride
    发明人:JENNINGS REX A
    权利人:WARNER LAMBERT CO
    摘要:An improved process for the preparation of 2,6-dichloro-5-fluoronicotinoyl chloride is described where a 2,6-dihydroxy-5-fluoronicotinic acid ester is converted in one step using phosphorus oxychloride and a lithium reagent to 2,6-dichloro-5-fluoronicotinoyl chloride and subsequent basic hydrolysis affords 2,6-dichloro-5-fluoronicotinic acid.

    专利号:US-11059788-B2
    优先权日:2017-06-12
    标 题:Streamlined syntheses of fluoroquinolones
    发明人:GUPTON FRANK B; TOSSO PERRER N
    权利人:UNIV VIRGINIA COMMONWEALTH
    摘要:Methods of synthesizing fluoroquinolones such as ciprofloxacin are provided. The methods utilize affordable materials, reduce the number of synthesis steps and provide high yields.

    专利号:EP-0655998-B1
    优先权日:1992-08-20
    标题:Improved process for the synthesis of 2,6-dichloro-5-fluoronicotinic acid and 2,6-dichloro-5-fluoronicotinoyl chloride

    专利号:EP-0655998-A1
    优先权日:1992-08-20
    标 题 :METHOD FOR THE SYNTHESIS OF 2,6-DICHLOR-5-FLUORNICOTINIC ACID AND 2,6-DICHLOR-5-FLUORNICOTINOYL CHLORIDE.

    专利号:WO-9404501-A1
    优先权日:1992-08-20
    标题 :Improved process for the synthesis of 2,6-dichloro-5-fluoronicotinic acid and 2,6-dichloro-5-fluoronicotinoyl chloride

    专利号:CZ-286204-B6
    优先权日:1992-08-20
    标 题:Improved synthesis of 2,6-dichloro-5-fluoronicotinic acid and 2,6-dichloro-5-fluoronicotinoyl chloride

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    合成参考文献


    摘要:Kleemann, A.; Engel, J.; Kutscher, B.; Reichert, D., Pharmaceutical Substances[Online], Thieme: Stuttgart, (2003).
    摘要:Kleemann, A.; Engel, J.; Kutscher, B.; Reichert, D., Pharmaceutical Substances[Online], Thieme: Stuttgart, (2010).
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