A prominent C-acylation-cyclisation synthetic sequence and X-ray structure elucidation of benzothiopyranone derivatives

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Publication date
1 January 2008
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Abstract

A novel short-step methodology to benzothiopyranone derivatives has been developed starting from an activated precursor, N-hydroxysuccinimide ester of thiosalicylic acid. The procedure is based on a tandem C-acylation-cyclisation process under mild reaction conditions in good yields. The structure elucidation has been established using X-ray crystallography and NMR spectral data. © 2008 Elsevier Ltd. All rights reserved

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