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[(CF3)3BCP]− and [(CF3)3BCAs]−: Thermally Stable Phosphaethynyl and Arsaethynyl Complexes

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Lehmann,  Christian W.
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Finze, M., Bernhardt, E., Willner, H., & Lehmann, C. W. (2004). [(CF3)3BCP]− and [(CF3)3BCAs]−: Thermally Stable Phosphaethynyl and Arsaethynyl Complexes. Angewandte Chemie International Edition, 43(32), 4160-4163. doi:10.1002/anie.200454034.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-9753-2
Abstract
Make mine a triple: The tetraphenyl phosphonium salts of [(CF3)3BCX]− (X=P, As) are stable even well above room temperature. The synthesis of these first phospha‐ and arsaethynyl complexes of boron from (CF3)3BCO is carried out in two steps (see scheme). The complex [(CF3)3BCAs]− is the first stable anionic arsaalkyne.