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DOI: 10.1055/s-0029-1216791
Synthesis of Thioflavanone and Flavanone Derivatives by Cyclization of Chalcones
Publication History
Publication Date:
04 May 2009 (online)

Abstract
Chalcones bearing suitably positioned protected 2′-sulfanyl or 6′-hydroxy groups cyclize to form the corresponding thioflavanones and flavanones, respectively. The thioflavanones were prepared by a new method involving deprotection of the sulfanyl group under alkaline conditions. These reactions provide a route to new biologically interesting molecules.
Key words
chalcone cyclization - thioflavanone synthesis - benzoxathiolone ring opening - flavanones
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