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Dalton Trans. 2015 Oct 28;44(40):17462-6. doi: 10.1039/c5dt03128a. Epub 2015 Sep 23.

Addition of in situ reduced amidinato-methylaluminium chloride to acetylenes.

Dalton transactions (Cambridge, England : 2003)

T Chlupatý, J Turek, F De Proft, Z Růžičková, A Růžička

Affiliations

  1. Department of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, CZ-532 10, Pardubice, Czech Republic. [email protected].

PMID: 26399401 DOI: 10.1039/c5dt03128a

Abstract

Two ethylene-bridged methylaluminium amidinates and one aluminium amidinate containing three terminal trimethylstannyl-ethynyl groups interconnected by π-coordinated potassium ions were prepared in situ. The re-oxidation of the ethylene-bridged compound by iodine followed by further reduction using the same activation procedure demonstrated the versatility of the approach. The reactivity of an ethylene-bridged methylaluminum amidinate towards HCl was examined to demonstrate the building block concept. DFT calculations were performed to gain insight into the mechanism of the in situ activation of diphenylacetylene.

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