C-F bond activation by transient phosphenium dications

Nemanja Dordević, Madelyn Qin Yi Tay, Senthilkumar Muthaiah, Rakesh Ganguly, Dušan Dimić, Dragoslav Vidović

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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.

Original languageEnglish
Pages (from-to)4180-4182
Number of pages3
JournalInorganic Chemistry
Issue number9
Publication statusPublished - 4 May 2015
Externally publishedYes

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