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Issue 16, 2019
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Synthesis and crystal structures of novel tertiary butyl substituted (pseudo-)halogen bismuthanes

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Abstract

Herein we present the synthesis and characterization of di-tertiary butyl substituted (pseudo-)halogen bismuthanes tBu2BiX (X = Cl (1), Br (2), I (3), CN (4), N3 (5), SCN (6)). These compounds were obtained via different reaction paths. Compound 1 was obtained by a Grignard reaction of BiCl3 with two equivalents of tBuMgCl, whereas compounds 2, 3, 4 and 6 were synthesised by a oxidative addition/reductive elimination pathway starting from tBu3Bi and X2 (X = Br, I, CN, SCN). Finally, azide 5 was obtained by the reaction of 1 and NaN3. Secondary bonding interactions in the solid state within all the investigated compounds (1–6) cause additional stabilisation. Starting from tBu2BiCl, the completely tbutyl substituted ternary interpnictogen compound tBu2Bi(tBuP)SbtBu2 (7) was synthesized through the reaction with [tBu2SbP(tBu)Li(Et2O)]2. All new compounds were characterized by means of X-ray diffraction and mass spectrometry as well as NMR and IR spectroscopy.

Graphical abstract: Synthesis and crystal structures of novel tertiary butyl substituted (pseudo-)halogen bismuthanes

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Article information


Submitted
29 Jan 2019
Accepted
21 Mar 2019
First published
04 Apr 2019

Dalton Trans., 2019,48, 5253-5262
Article type
Paper

Synthesis and crystal structures of novel tertiary butyl substituted (pseudo-)halogen bismuthanes

C. Ritter, B. Ringler, F. Dankert, M. Conrad, F. Kraus and C. von Hänisch, Dalton Trans., 2019, 48, 5253
DOI: 10.1039/C9DT00408D

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