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Synthesis of carborane-fused cyclobutenes and cyclobutanes |
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| Authors: | YingGen Yuan ShiKuo Ren ZaoZao Qiu ShaoWu Wang ZuoWei Xie |
| Institution: | 1. Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China 2. Laboratory of Functional Molecular Solids, Ministry of Education; Anhui Laboratory of Molecule-Based Materials; Institute of Organic Chemistry, School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, China 3. Department of Chemistry, The Chinese University of Hong Kong, Shatin, Shatin, New Territories, Hong Kong, China |
| Abstract: | Transmetalation of carborane-fused zirconacycles to Cu(II) induces the C-C coupling reaction to form four-membered rings. This serves as a new efficient and general methodology for the generation of a series of carborane-fused cyclobutenes and cyclobutanes. A reaction mechanism involving transmetalation to Cu(II) and reductive elimination is proposed. |
| Keywords: | carborane cyclobutene cyclobutane zirconacycle copper |
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