Understanding structure does not always explain reactivity: a phosphinoamide anion reacts as an iminophosphide anion.


The aminophosphine C(6)H(4)(o-CN)NHPPh(2), 1, containing an electron-withdrawing nitrile group, was prepared from the lithiation of 2-aminobenzonitrile followed by addition of Ph(2)PCl. Lithiation of 1 using (n)BuLi affords the anion [Ph(2)PN(Li)C(6)H(4)(o-CN)(thf)](2), 2. Compound 2 reacts with Ph(2)PCl or MeI to afford C(6)H(4)(o-CN)N=PPh(2)-PPh(2), 3… (More)


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