稳定的吡啶自由基阴离子的分离。
Isolation of a stable pyridine radical anion.
机构信息
Institut für Anorganische und Analytische Chemie, Universität Freiburg, Albertstr. 19, 79104 Freiburg, Germany.
出版信息
Chem Commun (Camb). 2019 Jan 24;55(9):1322-1325. doi: 10.1039/c8cc09700c.
Reduction of 2,6-bis(diazaboryl)pyridine with KC8 gives a room-temperature-stable yellow colored solution containing the corresponding radical anion. The radical was characterized by single crystal XRD, EPR spectroscopy, UV-vis absorption spectroscopy and electrochemically, supported by theoretical calculations. The negative charge and spin density are mainly distributed over the atoms of the pyridine ring, making this the first isolated pyridine radical anion as its potassium salt.
用 KC8 将 2,6-二（二氮杂硼基）吡啶还原得到室温下稳定的黄色溶液，其中含有相应的自由基阴离子。该自由基通过单晶 XRD、EPR 光谱、紫外可见吸收光谱和电化学进行了表征，并得到了理论计算的支持。负电荷和自旋密度主要分布在吡啶环的原子上，这使得它成为第一个分离的吡啶自由基阴离子的钾盐。
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