A Mn(III)-superoxo complex of a zwitterionic calix[4]arene with an unprecedented linear end-on Mn(III)-O_2 arrangement and good catalytic performance for alkene epoxidation

Lei-Lei Liu; Hong-Xi Li; Li-Min Wan; Zhi-Gang Ren; Hui-Fang Wang; Jian-Ping Lang

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A Mn(III)-superoxo complex of a zwitterionic calix[4]arene with an unprecedented linear end-on Mn(III)-O_2 arrangement and good catalytic performance for alkene epoxidation

机译：两性离子杯[4]芳烃的Mn（III）-超氧配合物，具有前所未有的线性端基Mn（III）-O_2排列和良好的烯烃环氧化催化性能

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Reactions of [H_4L][PF_6]_4 with 4 equiv. of Mn(OAc)_2·4H_2O in the presence of air gave rise to a mononuclear Mn(m)-superoxo complex [Mn(III)L(O_2)(H_2O)](PF_6)_2, which contains a bowl-shaped cationic structure with a D_(4d) symmetry. It has an unprecedented linear end-on Mn(m)-O_2 unit and exhibited good efficiency and selectivity in the catalytic oxidation of alkenes with O_2 plus isobutyraldehyde under mild conditions.

机译：[H_4L] [PF_6] _4与4当量的反应空气中的Mn（OAc）_2·4H_2O生成单核Mn（m）-超氧配合物[Mn（III）L（O_2）（H_2O）]（PF_6）_2，其中包含碗形阳离子具有D_（4d）对称性的结构。它具有前所未有的线性末端Mn（m）-O_2单元，在温和条件下用O_2加异丁醛催化烯烃的氧化反应中显示出良好的效率和选择性。

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来源
《Chemical Communications》 |2011年第39期|p.11146-11148|共3页
作者
Lei-Lei Liu; Hong-Xi Li; Li-Min Wan; Zhi-Gang Ren; Hui-Fang Wang; Jian-Ping Lang;
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College of Chemistry, Chemical Engineering and Materials Science,Soochow University, Suzhou 215123, Jiangsu, P. R. China;

College of Chemistry, Chemical Engineering and Materials Science,Soochow University, Suzhou 215123, Jiangsu, P. R. China;

College of Chemistry, Chemical Engineering and Materials Science,Soochow University, Suzhou 215123, Jiangsu, P. R. China;

College of Chemistry, Chemical Engineering and Materials Science,Soochow University, Suzhou 215123, Jiangsu, P. R. China;

College of Chemistry, Chemical Engineering and Materials Science,Soochow University, Suzhou 215123, Jiangsu, P. R. China;

College of Chemistry, Chemical Engineering and Materials Science,Soochow University, Suzhou 215123, Jiangsu, P. R. China,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences,Shanghai 200032, P. R. China;

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A Mn(III)-superoxo complex of a zwitterionic calix[4]arene with an unprecedented linear end-on Mn(III)-O_2 arrangement and good catalytic performance for alkene epoxidation

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