Regioselective synthesis of 3-(aryloxyacetyl)-2,3-dihydrothieno-[2,3-b][1] benzothiopyran-4-ones via tandem cyclization

DOI: 10.1081/SCC-120038494

Source and publish data:

Synthetic Communications p. 2159 - 2167 (2004)

Update date:2022-08-05

Topics:

Authors:

Majumdar

Bandyopadhyay

Ghosh Ghosh

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Article abstract of DOI:10.1081/SCC-120038494

2-[4-Aryloxybut-2-ynylthio][1]benzothiopyran-4-ones on treatment with m-chloroperoxy benzoic acid in chloroform at 0°C to room temperature afforded 3-(aryloxyacetyl)-2,3-dihydrothieno[2,3-b]benzothiopyrans in 65-70% yield. The sigmatropic [2,3] followed b

Full text of DOI:10.1081/SCC-120038494

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