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The reaction behavior of [Cp2Mo2(CO)4(μ,η2:2-P2)] and [Cp′′Ta(CO)24-P4)] towards hydroxide and tert-butyl nucleophiles

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Abstract

The reaction behavior of [Cp2Mo2(CO)4(μ,η2:2-P2)] (1) and [Cp′′Ta(CO)24-P4)] (2), respectively, towards the anions OH and tBu are reported. While the reaction of 1 with KOH gives the anionic complex [Cp2Mo2(CO)4(μ-PH2)] (3) under a formal phosphorus atom abstraction, reaction with LitBu leads to the alkylation product [Cp2Mo2(CO)4(μ,η2:1-PPtBu)] (4). The reactions of 2 with [IDipp-H][OH] ([IDipp-H]+ = 1,3-bis-(2,6-diisopropyl-phenyl)imidazolium) and LitBu yield [Cp′′Ta(CO)23-P4(O)H}] (5) and [Cp′′Ta(CO)23-P4tBu)] (6), respectively. Compounds 3, 4, 5 and 6 were comprehensively characterized by NMR spectroscopy and X-ray structure analysis.

Graphical abstract: The reaction behavior of [Cp2Mo2(CO)4(μ,η2:2-P2)] and [Cp′′Ta(CO)2(η4-P4)] towards hydroxide and tert-butyl nucleophiles

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Article information


Submitted
11 Sep 2020
Accepted
09 Oct 2020
First published
09 Oct 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

The reaction behavior of [Cp2Mo2(CO)4(μ,η2:2-P2)] and [Cp′′Ta(CO)24-P4)] towards hydroxide and tert-butyl nucleophiles

F. Riedlberger, M. Seidl and M. Scheer, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC06150F

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