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Understanding the Origin of the Chiral Recognition of Esters with Octahedral Chiral Cobalt Complexes
Asian Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2021-02-18 , DOI: 10.1002/ajoc.202100022 Sumin Jang 1 , Hyunwoo Kim 2
Asian Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2021-02-18 , DOI: 10.1002/ajoc.202100022 Sumin Jang 1 , Hyunwoo Kim 2
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Here, we report a combined experimental and computational study to understand the chiral recognition of cationic cobalt complexes with esters. The cationic cobalt complexes were synthesized by stereoselective assembly of ligands to the cobalt center. The tetradentate N2O2 ligand was used to control the metal‐centered chirality, and the bidentate diamine ligand played an important role in the chiral discrimination of esters by 1H NMR spectroscopy. The phenyl rings of the cobalt complexes additively enhanced the chiral discrimination. The opposite chiralities of the N2O2 ligand and bidentate diamine ligand constituted a well‐matched combination, which was further demonstrated by computational analysis of 1 : 2 binding models of the cationic cobalt complex and 1‐phenylethyl acetate.
中文翻译：
了解八面体手性钴配合物酯的手性识别的起源。
在这里，我们报告了一项组合的实验和计算研究，以了解阳离子钴配合物与酯的手性识别。通过将配体立体选择性地组装到钴中心来合成阳离子钴配合物。使用四齿N 2 O 2配体来控制金属中心的手性，而双齿二胺配体在1 H NMR光谱对酯的手性鉴别中起着重要作用。钴配合物的苯环可加性地提高手性分辨力。N 2 O 2的相反手性 配体和二齿二胺配体构成了良好匹配的组合，通过对阳离子钴络合物和1-苯基乙酸乙酯的1：2结合模型进行计算分析进一步证明了这一点。
更新日期：2021-04-19
中文翻译：
了解八面体手性钴配合物酯的手性识别的起源。
在这里，我们报告了一项组合的实验和计算研究，以了解阳离子钴配合物与酯的手性识别。通过将配体立体选择性地组装到钴中心来合成阳离子钴配合物。使用四齿N 2 O 2配体来控制金属中心的手性，而双齿二胺配体在1 H NMR光谱对酯的手性鉴别中起着重要作用。钴配合物的苯环可加性地提高手性分辨力。N 2 O 2的相反手性 配体和二齿二胺配体构成了良好匹配的组合，通过对阳离子钴络合物和1-苯基乙酸乙酯的1：2结合模型进行计算分析进一步证明了这一点。
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