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Phosphastannirane: A Phosphorus/Tin(II) Lewis Pair that Undergoes Alkyne and Alkene Addition


  • This work was supported by the Fonds der Chemischen Industrie.


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Bermuda triangle: The first molecule containing a cyclic three-membered Sn[BOND]C[BOND]P ring has been synthesized and characterized. This SnII[BOND]P Lewis pair reacts at room temperature with alkynes and pentene to give the five-membered cyclic addition products. In the case of pentene, this reaction is reversible at room temperature. Trip=2,4,6-iPr3C6H2.

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