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以3-硝基-4-氯三氟甲苯(1)为起始原料,合成了新型含氟杂环化合物8和3个含氟中间体4,5,6.通过IR,NMR,MS和元素分析对它们的结构进行了表征.探讨了反应条件对产物结构的影响,提出了化合物4可能的形成机理.
The new fluorine-containing heterocyclic compounds 8 and 3 fluorine-containing intermediates 4, 5 and 6 were synthesized from 3-nitro-4-chlorobenzotrifluoride (1) The structures of these compounds were characterized and the influence of reaction conditions on the product structure was discussed. The possible formation mechanism of compound 4 was proposed.