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Published on: December 4, 2014
Well-defined styryl and biphenyl calcium complexes from dilithio compounds and calcium iodide: synthesis, structure
Baosheng Wei1, Wen-Xiong Zhang, Zhenfeng Xi
1Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China. zfxi@pku.edu.cn wx_zhang@pku.edu.cn.
Abstract:
Efficient synthesis and structure elucidation of carbon-calcium σ-bonded compounds are of remarkable interest and importance in organometallic chemistry of the heavier s-block metals. In this paper, we report that styryl and biphenyl calcium complexes with well-defined structures can be facilely obtained via metathesis reaction between their corresponding dilithio compound and calcium iodide. Single-crystal X-ray structural analysis of these calcium complexes revealed their unique iodide-bridged or dicalcium-bridged structures. Their reactivity toward nitrous oxide was disclosed.
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