Synthesis of CF₂H-Substituted Pyrazolines by [3+2] Cycloaddition between CF₂HCHN₂ and Electron-Deficient Alkenes

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• 作者：Jue Li ; Xin-Ling Yu ; Janine Cossy ; Song-Yang Lv ; Hai-Long Zhang ; Fu Su ; Pavel K. Mykhailiuk and Yong Wu
• 刊名：European Journal of Organic Chemistry
• 出版年：2017
• 出版时间：January 10, 2017
• 年：2017
• 卷：2017
• 期：2
• 页码：266-270
• 全文大小：1119K
• ISSN：1099-0690

文摘

CF₂H-substituted pyrazolines were synthesized by [3+2] cycloaddition between in situ generated CF₂HCHN₂ and electron-deficient alkenes. The representative CF₂H-substituted pyrazoline was easily oxidized into the CF₂H-substituted pyrazole, which are important in agrochemistry.