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DOI: 10.1039/A807444E (Paper) Reference Section for: Chem. Commun., 1998, 2485-2486

Direct synthesis of heterocyclic [(RP)nE]– anions using [E(NMe2)3] (E = Sb, As); implications to the mechanism of formation of Zintl compounds

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Michael A. Beswick, Alexander D. Hopkins, Marta E. G. Mosquera, Paul R. Raithby, Alexander Rothenberger, Andrew J. Wheatley, Dominic S. Wright, Nick Choi, Mary McPartlin and Dietmar Stalke

Abstract

The low-temperature reactions of [Sb(NMe2)3] with [CyPH2] and [CyPHNa] (1:1:1 equiv.) and of [As(NMe2)3] with [tBuPHLi] (1:3 equiv.) in TMEDA–thf [TMEDA = Me2NCH2)2] produce [{cyclo-(CyP)4Sb}Na·Me2NH·TMEDA]2 1 and [{cyclo-(tBuP)3As}Li·TMEDA·thf] 2, respectively; at higher temperatures these reactions generate Zintl compounds containing Sb73– and As73– anions.

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