Tetrahedron Letters p. 6787 - 6790 (1996)
Update date:2022-08-11
Topics:
Dimitrov, Vladimir
Kostova, Kalina
Genov, Miroslav
The activity and efficiency of anhydrous CeCl3 depend strongly on the drying procedure. Deactivation of CeCl3 occurs during the drying process as a result of hydrolysis by the hydrate water, when heating above 90°C. The highly active CeCl3, prepared by an improved drying procedure, is demonstrated to activate rapidly (in catalytic and stoichiometric amounts) ketones at room temperature, providing excellent addition of organimetallic reagents.
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