Activation of Di‐tert‐butyldiphosphatetrahedrane: Access to (tBuCP)n (n=2, 4) Ligand Frameworks by P−C Bond Cleavage
Open Access
- 5 January 2021
- journal article
- research article
- Published by Wiley in Angewandte Chemie
- Vol. 60 (12), 6435-6440
- https://doi.org/10.1002/anie.202015680
Abstract
The first mixed phosphatetrahedranes were reported only recently and their reactivity is virtually unexplored. Here we present a reactivity study on di‐ tert ‐butyldiphosphatetrahedrane ( 1 ), which is the dimer of tert ‐butylphosphaalkyne. The ( t BuCP) 2 tetrahedron is activated selectively by N‐heterocyclic carbene (NHC) nickel(I) and nickel(0) complexes, resulting in novel complexes featuring diverse ( t BuCP) n ‐frameworks ( n = 2, 4). Release of the ( t BuCP) 4 framework from one of the complexes was achieved by addition of CO gas. Furthermore, 1 can be used as a source for P 2 units by elimination of bis‐ tert ‐butylacetylene in the coordination sphere of nickel.Funding Information
- European Research Council (CoG 772299)
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