Heterocyclic Compounds
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ChemInform Abstract: Synthesis of Substituted 2-Amino-1-arylideneaminoimidazoles and 1- Arylideneaminoimidazo(1,2-a)imidazoles.
First published: 04 August 2010
Abstract
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ChemInform Abstract
A new method for the synthesis of 2-amino-1-arylideneaminoimidazoles ( III) (12 examples) via alkali-mediated condensation of α- haloketones with guanylhydrazones (II) is given. The obtained imidazoles react with α-haloketones to furnish the title imidazoimidazoles (cf. (V), (VI)) or their open-chain precursors (cf. ( VII)) depending on the reaction conditions.
