Tetrahedron Letters p. 789 - 793 (2017)
Update date:2022-08-17
Topics:
Etsè, Koffi Sénam
Dassonneville, Benjamin
Zaragoza, Guillermo
Demonceau, Albert
Enyne-substituted benzoisothiazole derivatives have been synthesised under one-pot, operationally simple conditions using 2-iodo-N-(trimethylsilylethynyl)benzenesulfonamides and terminal alkynes as starting materials and a palladium–copper-based catalytic system. The structure of these heterocycles has been demonstrated by NMR spectroscopy and confirmed by X-ray crystallographic analysis. A plausible reaction mechanism has been proposed.
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