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Abstract
Metathesis of N-heterocyclic chloroarsines with sulfur-based nucleophiles furnished thio-substituted 1,3,2-diazarsolidines and 1,3,2-diazarsolenes. Crystallographic and NMR spectroscopic studies revealed that a thiocyanato-diazarsolene exhibits a salt-like structure composed of weakly interacting thiocyanate and arsenium ions, while the remaining products formed neutral molecules. The structural data indicate that the heterocyclic framework induces an elongation of exocyclic As−S bonds that is more prominent in diazarsolenes than in diazarsolidines and parallels the bond polarisation effect established for N-heterocyclic phosphines. The NMR data suggest that diazarsolenes undergo facile inversion of the pyramidal configuration at arsenic, which was successfully modelled by DFT studies.
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Authors (5)
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Johannes Bender
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Agnieszka Skowrońska
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Martin Nieger
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Dietrich Gudat
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1002/zaac.202100006
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
no. 647,
pages 534 - 539,
ISSN: 0044-2313 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Bender J., Skowrońska A., Dołęga A., Nieger M., Gudat D.: On thio‐substituted N‐heterocyclic arsines// ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE -Vol. 647,iss. 5 (2021), s.534-539
- DOI:
- Digital Object Identifier (open in new tab) 10.1002/zaac.202100006
- Verified by:
- Gdańsk University of Technology
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