- Dimethylmagnesium
-
Dimethylmagnesium DimethylmagnesiumIdentifiers CAS number 2999-74-8 
PubChem 18141 ChemSpider 10430979 Jmol-3D images Image 1 - C[Mg]C
- InChI=1S/2CH3.Mg/h2*1H3;
Key: KZLUHGRPVSRSHI-UHFFFAOYSA-N
Properties Molecular formula C2H6Mg Molar mass 54.37 g mol−1 Solubility in water Reacts 
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)Infobox references Dimethylmagnesium is an organomagnesium compound. Like other dialkylmagnesium compounds, it is prepared by adding at least one equivalent of dioxane to a solution of methylmagnesium halide:[1][2]
- 2 MeMgX + dioxane
Me2Mg + MgX2(dioxane)
The dioxane complexes with magnesium dihalide and precipitates it as the solvate, driving the Schlenk equilibrium to give the dialkylmagnesium compound.
The structure of this compound has been determined via powder XRD to contain magnesium atoms surrounded by bridging methyl groups in a tetrahedral arrangement.[3]
References
- ^ Cope, Arthur C. (1935). J. Am. Chem. Soc. 57 (11): 2238. doi:10.1021/ja01314a059.
- ^ Anteunis, M. (1962). "Studies of the Grignard Reaction. II. Kinetics of the Reaction of Dimethylmagnesium with Benzophenone and of Methylmagnesium Bromide-Magnesium Bromide with Pinacolone". J. Org. Chem. 27 (2): 596. doi:10.1021/jo01049a060.
- ^ Weiss, E (1964). "Die kristallstruktur des dimethylmagnesiums". J. Organomet. Chem. 2 (4): 314. doi:10.1016/S0022-328X(00)82217-2.
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