Jón Atiba Buldt, Wang-Yeuk Kong, Yannick Kraemer, Masiel M Belsuzarri, Ansh Hiten Patel, James C Fettinger, Dean J Tantillo, Cody Ross Pitts
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引用次数: 0
Abstract
Selectivity in radical chain oligomerizations involving [1.1.1]propellane - i.e., to make [n]staffanes - has been notoriously challenging to control when n > 1 is desired. Herein, we report selective syntheses of SF5- and CF3SF4-containing [2]staffanes from SF5Cl and CF3SF4Cl, demonstrating cases whereby oligomerization is preferentially truncated after incorporation of two bicyclopentane (BCP) units. Synthetic and computational studies suggest this phenomenon can be attributed to alternating radical polarity matching. In addition, single-crystal X-ray diffraction (SC-XRD) data reveal structurally interesting features of the CF3SF4-containing [2]staffane in the solid state.
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