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Title

Photopromoted Entry to Benzothiophenes, Benzoselenophenes, 3H-Indoles, Isocoumarins, Benzosultams, and (Thio)flavones by Gold-Catalyzed Arylative Heterocyclization of Alkynes

AuthorsAlcaide, Benito ; Almendros, Pedro ; Busto, Eduardo; Herrera, Fernando; Lázaro-Milla, Carlos; Luna, Amparo
KeywordsSynthetic methods
Heterocyclic compounds
Alkynes
Cyclization
Gold
Issue Date2017
PublisherJohn Wiley & Sons
CitationAdvanced Synthesis and Catalysis 359: 2640-2652 (2017)
AbstractVisible light-promoted and gold-photoredox-catalyzed reactions of heteroatom (N, S, Se, O) tethered alkynes with arenediazonium salts selectively proceeded to build vicinal diaryl-substituted 2H-benzo[e][1,2]thiazine 1,1-dioxides (benzosultams), benzoselenophenes, benzothiophenes, 4H-chromen-4-ones (flavones), 3H-indoles, 1H-isochromen-1-ones (isocoumarins), and 4H-thiochromen-4-ones (thioflavones). Moreover, the utility of functionalized 3H-indoles as precursors for further elaboration has been demonstrated with the switchable and facile preparation of 1H-indoles, 2-oxindoles, and 3-oxindolines. (Figure presented.).
URIhttp://hdl.handle.net/10261/158617
Identifiersdoi: 10.1002/adsc.201700427
issn: 1615-4150
e-issn: 1615-4169
Appears in Collections:(IQOG) Artículos
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