Facile and practical synthesis of π-extended oxepins by benzannulation and intramolecular cyclization
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DOI: 10.1016/j.tetlet.2018.12.008
Abstract: Abstract π-Extended oxepins 1 and dimer 8 were synthesized by the benzannulation of the corresponding asymmetric diarylacetylene derivatives and 2-(phenylethynyl)benzaldehyde followed by the Cu-catalyzed intramolecular cyclization. The optical properties of the π-extended oxepins 1 and… read more here.
Keywords: intramolecular cyclization; extended oxepins; benzannulation; facile practical ... See more keywords