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Di ‐tert ‐butyldiphosphatetrahedrane as a Source of 1,2‐Diphosphacyclobutadiene Ligands

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Hierlmeier, Gabriele ; Coburger, Peter ; Scott, Daniel J. ; Maier, Thomas M. ; Pelties, Stefan ; Wolf, Robert ; Pividori, Daniel M. ; Meyer, Karsten ; Leest, Nicolaas P. ; de Bruin, Bas
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Date of publication of this fulltext: 12 Oct 2021 05:49

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Reactions of di-tert-butyldiphosphatetrahedrane (1) with cycloocta-1,5-diene- or anthracene-stabilised metalate anions of iron and cobalt consistently afford complexes of the rarely encountered 1,2-diphosphacyclobutadiene ligand, which have previously been very challenging synthetic targets. The subsequent reactivity of 1,2-diphosphacyclobutadiene cobaltates toward various electrophiles has also ...


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