Synthesis of biologically active fused 1,4-oxathiin derivatives from 4-hydroxydithiocoumarins, arylacetylenes and dimethyl sulfoxide by Cu()-catalyzed C-H functionalization and cross-dehydrogenative C-S coupling reactions
The hitherto unreported 2-aryl-10 H -thiochromeno[3,2- b ][1,4]oxathiin-10-one derivatives are obtained in a single pot from 4-hydroxydithiocoumarins, arylacetylenes and dimethyl sulfoxide in the presence of 10 mol% CuI and K 2 CO 3 in an oil bath at 70 °C. The novelties of the present protocol are...
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Veröffentlicht in: | Organic & biomolecular chemistry 2021-07, Vol.19 (26), p.5818-5826 |
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Sprache: | eng |
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