Synthetic route to vanadium(III) dichalcogenidophosphinate complexes, V(S2PPh2)3 and V(Se2PPh2)3: A spectroscopic and structural comparative study with analogous complexes of chromium(III), Cr(E2PPh2)3 (E=S, Se)
Abstract:Addition of the potassium dichalcogenidodiphenylphosphinate salts, KE 2 PPh 2 (E=S, Se), to either the THF solvate of vanadium (III) chloride or unsolvated chromium(III) chloride results in rapid ligand substitution and the formation of a series of closelyrelated trivalent, neutral mononuclear complexes, M(E 2 PPh 2 ) 3 (M=V, Cr; E=S, Se), isolated in modest to good yield. The metal dichalcogenidophosphinate complexes reported herein were characterized by IR, UV-vis, and 1 H NMR spectroscopies, and their solid… Show more
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