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US 8,148,286 B2Granted
Activated alkaline earth metal, in particular magnesium, for the preparation of organoalkaline earth metal compounds
AssigneeChemetall GmbH
InventorsRainer Dietz, Ute Emmel, Ulrich Wietelmann, Uwe Lischka
Life of this patent
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Abstract
The invention relates to an activated alkaline earth metal, to a method for its production and the use of the activated alkaline earth metal for the preparation of Grignard compounds and organoalkaline earth metal compounds.
Claims55
A process for preparing an activated alkaline-earth metal comprising the step of reacting an alkaline-earth metal with a compound of the formula AlR3-nHaln in a non-coordinating solvent to yield the activated alkaline-earth metal;
- wherein R is an alkyl or aryl moiety;
- wherein Hal is halogen;
- and
- wherein 0≦n≦2.
1 more element
Dependencies are inferred from the claim text.