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发明公开
CN108164555A 一种硼酸酯的合成方法 有权

一种硼酸酯的合成方法
摘要：
本发明公开了一种硼酸酯的合成方法，利用β–二亚胺稀土二氯化物与NaBH4在四氢呋喃溶剂中反应，并通过原位Na/K还原得到β–二亚胺基二价稀土硼氢配合物：[2,6‑ipr2‑(C6H3)‑NC(Me)CHC(Me)N‑(C6H3)‑2,6‑ipr2]Ln‑BH4.2THF。本发明公开的β–二亚胺基二价稀土硼氢配合物可在温和的条件下高活性地催化硼烷与醛的硼氢化反应合成硼酸酯，具有反应时间短，反应条件温和，且后处理方法简单、方便。
摘要（英）：

The invention discloses a synthesis method of borate, which comprises the steps of allowing beta-diimido rare-earth dichloride and NaBH4 to give a reaction in a tetrahydrofuran solvent, and performingin-situ Na/K reduction to form a beta-diimido divalent rare-earth borohydride complex: [2,6-ipr2-(C6H3)-NC(Me)CHC(Me)N-(C6H3)-2,6-ipr2]Ln-BH4.2THF. The beta-diimido divalent rare-earth borohydride complex can highly actively catalyze hydroboration reaction of borane and aldehyde to synthesize borate under a mild condition; the reaction time is short; a reaction condition is mild; and a post-treatment method is simple and convenient.

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