Methylene bis(aluminum dihalides)

Ort, Morris R.; Mottus, Edward H.

doi:10.1016/s0022-328x(00)95087-3

Cited by 31 publications

(3 citation statements)

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“…Heavier group 13 based polyfunctional organo-Lewis acid systems remain a rarity and are limited to a few aluminum and indium systems. While most of the research in this area of chemistry has been motivated by its relevance to material science, potential applications in the fields of anion recognition and molecular catalysis also are of interest .…”

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confidence: 99%

Indium as an Electrophilic Center in Polyfunctional Lewis Acids

et al. 1996

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confidence: 99%

Indium as an Electrophilic Center in Polyfunctional Lewis Acids

et al. 1996

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“…In view of this chemistry, there is a need for easily prepared precursors for the synthesis of these reduced aluminum and carbaalane clusters, and this is the motivation behind preparing organometallics with two or more Al atoms on a carbon atom. The synthesis of methylene bis(aluminum halides) has been described before (Ort & Mottus, 1973;Lehmkuhl & Schä fer, 1966). ISSN 2056-9890…”

Section: Chemical Contextmentioning

confidence: 99%

μ-Methylene-bis[dibromido(diethyl ether-κO)aluminium(III)]: crystal structure and chemical exchange in solution

Butcher¹,

Purdy²

2021

Acta Cryst E

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In the title compound, [Al2Br4(CH2)(C4H10O)2], the molecule lies on a crystallographic twofold axis passing through the bridging C atom. Each AlIII atom is four-coordinate, being bonded to two bromide ions, bridging the CH2 group as well as the oxygen atom of a diethyl ether ligand in a slightly distorted tetrahedral arrangement with angles ranging from 101.52 (8) to 116.44 (5)°. The Al—CH2—Al angle, 118.4 (2)°, is the smallest observed for a structure where this moiety is not part of a ring. In the crystal, weak C—H...Br interactions, characterized as R 2 2(12) rings, link the molecules into ribbons in the [101] direction. The title compound is monomeric and coordinatively saturated in the solid state, as each aluminum is four-coordinate, but in solution the ether molecules from either or both Al atoms can dissociate, and would be expected to rapidly exchange, and this is supported by NMR data.

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“…The geminal dialuminomethanes can be synthetized as well, , their reactions with a wide variety of ketones including cyclohexanone, 4- tert -butylcyclohexanone, α-tetralone, dihydrocarvone, and 4-chromanone gave the methylenated products in 50% to 90% yield …”

Section: 1-dialuminioalkane Reagentsmentioning

confidence: 99%