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Communication | Special issue | Vol 37, No. 3, 1994, pp.1443-1446
Published online, 1st January, 1970
DOI: 10.3987/COM-93-S61
Photocyclizations of Arylthiofluoroaromatic Compounds: Synthesis of Benzothiophenes

Ziqi Jiang and Jorge Marquet*

*Department of Chemistry, Universitat Autònoma de Barcelona, Bellaterra. 08193-Barcelona, Spain

Abstract

Intramolecular defluoro-photocyclizations of o-arylthiofluoroaromatic compounds in aqueous solution afforded benzothiophene derivatives. Similar photoreactions in acetonitrile led, when possible, to arene thiolate displacement. A mechanistic rationale is discussed.