V. I. Kelarev, S. G. Shvekhgeimer, V. N. Koshelev
Jul 1, 1984
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Journal
Chemistry of Heterocyclic Compounds
Abstract
The condensation of hydrochlorides of ethyl iminoesters of 4-hydroxy-3,5-di-tert-butylbenzoic and β-(4-hydroxy-3,5-di-tert-butylphenyl) propionic acids with monoethanolamine, o-aminophenol, and o-phenylenediamine was studied. As a result, Δ2-oxazolines, benzoxazoles, and benzimidazoles containing sterically hindered phenol residues in the 2-position were synthesized.