Synthesis and reactivity of fluorinated triaryl aluminum complexes

Ould, Darren M. C., Carden, Jamie L., Page, Rowan and Melen, Rebecca L. ORCID: https://orcid.org/0000-0003-3142-2831 2020. Synthesis and reactivity of fluorinated triaryl aluminum complexes. Inorganic Chemistry 59 (20) , pp. 14891-14898. 10.1021/acs.inorgchem.0c01076

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Abstract

The addition of the Grignard 3,4,5-ArFMgBr to aluminum(III) chloride in ether generates the novel triarylalane Al(3,4,5-ArF)3·OEt2. Attempts to synthesize this alane via transmetalation from the parent borane with trimethylaluminum gave a dimeric structure with bridging methyl groups, a product of partial transmetalation. On the other hand, the novel alane Al(2,3,4-ArF)3 was synthesized from the parent borane and trimethylaluminum. Interestingly, the solid-state structure of Al(2,3,4-ArF)3 shows an extended chain structure resulting from neighboring Al···F contacts. Al(3,4,5-ArF)3·OEt2 was then found to be an effective catalyst for the hydroboration of carbonyls, imines, and alkynes with pinacolborane.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Publisher:	American Chemical Society
ISSN:	0020-1669
Funders:	EPSRC
Date of First Compliant Deposit:	2 September 2020
Date of Acceptance:	17 August 2020
Last Modified:	25 Apr 2024 06:30
URI:	https://orca.cardiff.ac.uk/id/eprint/134612

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