Abstract
1-Substituted 4-benzylidene-2-{β-[3,5-di(tert-butyl)-4-hydroxyphenyl]vinyl}-4-benzylidene-Δ2-imidazolin-5-ones have been synthesized by the interaction of azomethines and N-acylhydrazones (derivatives of 3,5-di(tert-butyl)-4-hydroxybenzaldehyde) with 4-benzylidene-2-methyloxazol-5-one. The acylation of 1,2-bis[3,5-di(tert-butyl)-4-hydroxybenzylideneamino]ethane with acid chlorides in acetonitrile in the presence of triethylamine leads to 1,3-diacyl-2-[3,5-di(tert-butyl)-4-hydroxyphenyl]imidazolidine.
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Kelarev, V.I., Silin, M.A. & Borisova, O.A. Synthesis of Derivatives of of Δ2-Imidazolin-5-one and Imidazolidine Containing Residues of Sterically-hindered Phenols. Chemistry of Heterocyclic Compounds 39, 729–735 (2003). https://doi.org/10.1023/A:1025686826917
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DOI: https://doi.org/10.1023/A:1025686826917