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
Hauptverfasser: Mondal, Santa, Yashmin, Sabina, Ali, Rashid, Soundaram, R, Ghosh, Siddhartha S, Khan, Abu Taleb
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Sprache:eng
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