Abstract
The attempted preparation of the biradicaloid [E(μ-NTer)]2 (E = Sb, Bi) yielded salts of the anion [(TerN)2E](-). These heteroatom allyl analogues could be further utilized in the reaction with pnictogen(III) chlorides to form the first 1,3-dichloro-1-bisma-3-stiba-2,4-diazane [ClSb(μ-NTer)2BiCl].
Highlights
The attempted preparation of the biradicaloid [E(l-NTer)]2 (E = Sb, Bi) yielded salts of the anion [(TerN)2E]À. These heteroatom allyl analogues could be further utilized in the reaction with pnictogen(III) chlorides to form the first 1,3-dichloro-1-bisma-3-stiba-2,4-diazane [ClSb(lNTer)2BiCl]
Complementing the variety of highly reactive species stabilized by m-terphenyls, Power et al were able to synthesise heavy group 14 carbene analogs.[27]
The starting materials, [ClSb(m-NTer)]2 and [ClBi(m-NTer)]2, are already known[38,39] and were reduced with utilizing magnesium in THF (Scheme 2), KC8 in toluene or benzene, and the benzophenone ketyl radical in THF
Summary
These heteroatom allyl analogues could be further utilized in the reaction with pnictogen(III) chlorides to form the first 1,3-dichloro-1-bisma-3-stiba-2,4-diazane [ClSb(lNTer)2BiCl]. Allyl-analogous group 15 anions of the type [(R–E1)2E2]À (E1,2 = N, P, As) have attracted great interest (Scheme 1). E-mail: axel.schulz@uni-rostock.de b Abteilung Materialdesign, Leibniz-Institut fur Katalyse e.V. an der Universitat Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany
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