Alkynylaluminium compounds: V. Complexes and reaction mechanism of dimethylalkynylaluminium with ketones

Dimethyl(alkynyl)aluminium compounds and diethyl ether or acetone have been found to form 2/1 complexes, and structures are suggested for these. The mechanism of formation of the 2/1 complexes was studied. On the basis of the nature of the proposed structure of the 2/1 complex and that of the result...

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Veröffentlicht in:	Journal of organometallic chemistry 1985-09, Vol.293 (1), p.7-17
Hauptverfasser:	Starowieyski, K.B., Bȩcalska, A., Okniński, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Al, ga, in, tl, zn, cd, hg derivatives Chemistry Exact sciences and technology Organic chemistry Organometalloidal and organometallic compounds Preparations and properties
Online-Zugang:	Volltext
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Zusammenfassung:	Dimethyl(alkynyl)aluminium compounds and diethyl ether or acetone have been found to form 2/1 complexes, and structures are suggested for these. The mechanism of formation of the 2/1 complexes was studied. On the basis of the nature of the proposed structure of the 2/1 complex and that of the resulting mixed dimer Me 2Al(CCMe)(RO)AlMe 2 a modified six-centre transition state and rearrangement pathway are proposed.
ISSN:	0022-328X 1872-8561
DOI:	10.1016/0022-328X(85)80240-0