Chiral Recognition of In Situ-Oxidized Phosphine Oxides with Octahedral Indium Complexes by 31P NMR Spectroscopy,Organic Letters

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Chiral Recognition of In Situ-Oxidized Phosphine Oxides with Octahedral Indium Complexes by 31P NMR Spectroscopy
Organic Letters ( IF 4.9 ) Pub Date : 2021-09-24 , DOI: 10.1021/acs.orglett.1c02847
Eun-Jeong Kwahk ₁ , Sumin Jang ₁ , Hyunwoo Kim ₁

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Herein, efficient chiral recognition of phosphine oxides with octahedral indium complexes was demonstrated. Direct chiral analysis of in situ-prepared phosphine oxides formed using phosphines and hydrogen peroxide was conducted effectively via ³¹P nuclear magnetic resonance spectroscopy. Sufficient peak resolution of chiral phosphines was obtained consistently, thereby enabling the reliable determination of absolute chirality. Rational 1:1 binding models based on experiments and density functional theory calculations have been proposed.

中文翻译：

31P NMR 光谱手性识别八面体铟配合物原位氧化膦氧化物

在此，证明了八面体铟配合物对氧化膦的有效手性识别。通过³¹ P 核磁共振光谱有效地进行了使用膦和过氧化氢形成的原位制备的氧化膦的直接手性分析。一致地获得了足够的手性膦峰分辨率，从而能够可靠地确定绝对手性。已经提出了基于实验和密度泛函理论计算的合理的 1:1 绑定模型。

更新日期：2021-10-15

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