Reagent-Controlled Cyclization-Deprotection Reaction to Yield either Fluorenes or Benzochromenes

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Abstract

Compounds with benzochromene and fluorene structures are common in nature and society, and they can have potentially useful biological activities. In this paper, conditions for the selective preparation of either a benzochromene or a fluorene from the same starting material are described. The procedure uses a reagent-controlled cyclization-demethylation to give the benzochromene, or an intramolecular Friedel-Crafts-type alkylation to give the fluorene.

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Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Chemical Sciences

Keywords

  • Cyclization, Chemoselectivity, Aromatic substitution, Nucleophilic, substitution, Oxygen heterocycles, Fused-ring systems
Original languageEnglish
Pages (from-to)6507-6512
JournalEuropean Journal of Organic Chemistry
Issue number29
Publication statusPublished - 2014
Publication categoryResearch
Peer-reviewedYes