Generation of benzocyclobutadiene derivatives from zirconaindene derivatives |
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| Authors: | Chen Chao Xi Chanjuan Liu Yuanyuan Hong Xiaoyin |
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| Affiliation: | Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, P.R. China. |
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| Abstract: | Zirconaindene derivatives produced benzocyclobutadiene derivatives in situ in the presence of CuCl and 1,4-naphthoquinone, which afforded their dimers, 6a,10b-dihydrobenzo[a]biphenylenes and dibenzosemibullvalenes or dibenzo[a,e]cycloctenes. |
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