会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明专利
    • Method of manufacturing 1-aryl-5-(trifluoromethyl)-1h-tetrazole
    • 制备1-芳基-5-(三氟甲基)-1H-四唑的方法
    • JP2011173907A
    • 2011-09-08
    • JP2011096738
    • 2011-04-25
    • Toyobo Co Ltd東洋紡績株式会社
    • HAGITANI KAZUTAKASATO YASUHIROOGURO KIYOTOMITSUI JUN
    • C07D257/04C07B61/00C07C257/02
    • C07C257/02C07D257/04
    • PROBLEM TO BE SOLVED: To provide a safe and efficient method of manufacturing 1-aryl-5-(trifluoromethyl)-1H-tetrazole and its production intermediate, N-aryl-2,2,2-trifluoroacetoimidoyl chloride.
      SOLUTION: There are disclosed a method for manufacturing N-aryl-2,2,2-trifluoroacetimidoyl chloride represented by general formula (2) by reacting 2,2,2-trifluoro-N-aryl-acetamide represented by general formula (1) with a tertiary amine and at least one selected from the group consisting of phosphorus oxychloride and diphenyl phosphoric acid chloride in an organic solvent, and a method for manufacturing 1-aryl-5-(trifluoromethyl)-1H-tetrazole represented by general formula (4) by reacting N-aryl-2,2,2-trifluoroacetimidoyl chloride represented by general formula (2) with an azide in the presence of an amine salt in an aromatic hydrocarbon solvent.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供1-芳基-5-(三氟甲基)-1H-四唑及其制备中间体N-芳基-2,2,2-三氟乙酰脒酰氯的安全有效的方法。 解决方案:公开了通式(2)所示的N-芳基-2,2,2-三氟乙酰亚胺酰氯的制备方法,该方法是通过通式(I)表示的2,2,2-三氟-N-芳基乙酰胺 (1)在有机溶剂中使用叔胺和选自磷酰氯和二苯基磷酰氯中的至少一种,以及由一般表示的1-芳基-5-(三氟甲基)-1H-四唑的制备方法 在芳族烃溶剂中,在胺盐存在下,使由通式(2)表示的N-芳基-2,2,2-三氟乙酰亚胺酰氯与叠氮化物反应,得到式(4)。 版权所有(C)2011,JPO&INPIT