C–F Bond Activation by Transient Phosphenium Dications
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https://figshare.com/articles/dataset/C_F_Bond_Activation_by_Transient_Phosphenium_Dications/2170045
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C–F bond cleavage by transient phosphorus(III)-based dications [RP(C(PPh3)2)]2+ (4a2+, R = Ph; 4b2+, R = 4-F-Ph) is reported. These dications were generated by reaction of the corresponding monocationic precursors with excess Na[BAr4Cl]. Evidence for the existence of transient dicationic species was obtained by trapping the dication 4a2+ with PMe3. According to theoretical analysis, the low-lying lowest unoccupied molecular orbitals of these species were responsible for the observed activation of C–F bonds.
创建时间:
2016-02-13



