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Equilibrium between Boronic Acid and Boronate Ester

有机合成与工艺文献分享 2024-10-05 17:41
文章摘要
本文讨论了在有机合成中硼酸与硼酸酯之间的平衡问题。文章介绍了使用钯催化的方法制备芳基硼酸，并指出在反应后处理过程中，副产物pinacol会导致硼酸与硼酸酯之间的平衡。为了解决这一问题，作者开发了一种氧化后处理方法，通过使用过碘酸钠将pinacol转化为丙酮，从而避免了pinacol交换反应。这种方法利用了亲电氧化剂如NaIO4无法向硼的空轨道提供电子对的特点，实现了对pinacol的选择性氧化，同时保留了硼酸的功能。
Equilibrium between Boronic Acid and Boronate Ester
查看文献： A Robust Three-Step Telescoped Synthesis of Electron- Deficient Amide Substituted Arylboronic Acids
查看期刊： Organic Process Research & Development
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