Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 362, Issue 12, Pages 2503-2509Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202000134
Keywords
Ynamides; Gold catalysis; Heterocycles; Annulations; Sulfur
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FunctionalisedN-heterocyclic pyridiniumN-aminides have been designed and synthesised to evaluate a nitrenoid-based annulation strategy into imidazole-fused oxo-substituted frameworks of importance to medicinal and agrochemical discovery programmes. Sulfenyl substituted ynamides were identified as privileged reactants affording productive gold-catalysed annulation reactions with these and other nitrenoids. This annulation method provides selective and efficient access into geminally amino-sulfenyl substituted nitrogen heterocycles under mild reaction conditions.
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