路易斯超强酸性离子液体与三配位硼翁阳离子。
Lewis Superacidic Ionic Liquids with Tricoordinate Borenium Cations.
机构信息
The QUILL Research Centre, The School of Chemistry and Chemical Engineering, The Queen's University of Belfast, Belfast, BT9 5AG (UK).
出版信息
Angew Chem Int Ed Engl. 2015 Dec 1;54(49):14970-3. doi: 10.1002/anie.201508653. Epub 2015 Oct 23.
The first examples of ionic liquids based on borenium cations, BCl2 L, are reported. These compounds form highly Lewis acidic liquids under solvent-free conditions. Their acidity was quantified by determining the Gutmann acceptor number (AN). Extremely high ANs were recorded (up to AN = 182, δ31P = 120 ppm), demonstrating that these borenium ionic liquids are the strongest Lewis superacids reported to date, with the acidity enhanced by the ionic liquid environment.
首次报道了基于硼翁阳离子BCl2L的离子液体。这些化合物在无溶剂条件下形成高Lewis 酸性液体。通过测定古特曼接受数（AN）来定量它们的酸度。记录到极高的 AN 值（高达 AN = 182，δ31P = 120 ppm），表明这些硼翁离子液体是迄今为止报道的最强 Lewis 超酸，离子液体环境增强了其酸度。
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