A base-free, recyclable approach for the conjugate addition of aliphatic nitro compounds to enones to give g-nitro ketones is presented. Reactions are carried out in an ionic liquid with a basic anionic moiety, such as BmimNTf2, as the solvent, under mild conditions (25 C for 24 h). The IL medium could be recycled several times without any appreciable loss of activity, after a simple extraction procedure for the separation of the reaction product.
Base-free conjugate addition of aliphatic nitro compounds to enones in BmimNTf2: a recyclable synthesis of gamma-nitro ketones
PALMIERI, Alessandro;BALLINI, Roberto;
2012-01-01
Abstract
A base-free, recyclable approach for the conjugate addition of aliphatic nitro compounds to enones to give g-nitro ketones is presented. Reactions are carried out in an ionic liquid with a basic anionic moiety, such as BmimNTf2, as the solvent, under mild conditions (25 C for 24 h). The IL medium could be recycled several times without any appreciable loss of activity, after a simple extraction procedure for the separation of the reaction product.File in questo prodotto:
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