Chemistry at the Alkyne–Carbene Intersection: A Metallacyclobutene−η<sup>3</sup>‑Vinylcarbene Equilibration
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Synthesis of a sterically congested metallacyclobutene complex has led to the first observation of metallacyclobutene−η3-vinylcarbene equilibration. The structure of the η3-vinylcarbene complex was elucidated by spectroscopy, HRMS, and ab initio computations. The vinylcarbene complex was trapped by reactions with ethyl diazoacetate and (C5H5)Co(PPh3)2 to give cobalt–diene and dicobalt complexes, respectively.
创建时间：
2016-02-19
