Heterocyclic Compounds
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ChemInform Abstract: Alkylation of an Imidazolidine Enaminoester: A New Sequence for the Cα-Alkylation of 4,5-Dihydroimidazoles.
First published: 24 June 2010
Abstract
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ChemInform Abstract
Basic treatment of the enaminoester (I) with halogenoalkanes and epoxides successfully leads to C-alkylated products. Subsequent removal of the ester group offers a new route to 2-alkylated 4,5-dihydroimidazoles. With 1,3-dihalogenoalkanes C,N-dialkylation takes place yielding imidazopyridines like (X) efficiently.
