可移除基团导向的酚类选择性碳氢键氟化2-苯氧烟酸衍生物的后期氟化

来源 :第九届全国试剂与应用技术交流会 | 被引量 : 0次 | 上传用户:johndovl1
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  碳氢键氟化已成为现今碳氟键合成最为有力的方法之一,其关键在于避免了使用预官能化底物[1]。而在最近的研究中,只有少数导向基团,例如酰胺基、肟醚辅助的芳基邻位碳氢键氟化被开发出来,并且底物范围仍局限于2-芳基的氮杂环类、芳酸、酮和苄胺。因此,其它导向基团,特别是可移除基团用于定向选择性碳氢键氟化具有良好的前景。酚尤其氟代酚普遍存在于各种具有生物活性性质的产品和材料中,另外,作为基本原料,酚在各类有机合成反应中占据着重要的地位,作为常用的交叉偶联试剂,酚类和它们的衍生物,例如芳基三氟甲磺酸酯、芳氨基甲酸酯等广泛存在于经典乌尔曼反应、铃木反应,以及最新研发的偶联反应中。因此,基于酚衍生物的合成和经济潜力,酚的氟化是进一步形成各种医药、农药和材料的非常重要的步骤。
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