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

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Summary

Introduction

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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