Niobium and tantalum tris(methimazolyl)borate complexes [M(=NC6H3iPr2-2,6)Cl2{HB(mt)3}] (M = Nb, Ta; mt = methimazolyl) |
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| Authors: | Hill Anthony F Rae A David Smith Matthew K |
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| Institution: | Research School of Chemistry, Institute of Advanced Studies, Australian National University, Canberra, ACT 0200, Australia. a.hill@anu.edu.au |
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| Abstract: | The first early transition metal tris(methimazolyl)borate com-plexes M(=NR)Cl2{HB(mt)3}] (M = Nb, Ta; R = C6H3(i)Pr(2)-2,6; mt = methimazolyl) have been obtained from the reactions of Nb(=NR)Cl3(DME)] or Ta(=NR)Cl3(THF)2] (DME = dimethyl ether; THF = tetrahydrofuran) with NaHB(mt)3] and structurally characterized, illustrating that the HB(mt)3 ligand can indeed be compatible with "hard" metals in high oxidation states. |
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