Iridium-Catalyzed Reaction of 1-Naphthols, N-(1-Naphthyl) benzenesulfonamides, and Salicylaldehyde with Internal Alkynes

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  • Iridium Catalyzed Reaction of 1 Naphthols N 1 Naphthyl benzenesulfonamides and Salicylaldehyde with Internal Alkynes

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<jats:title>Abstract</jats:title> <jats:p>1-Naphthols efficiently couple with internal alkynes via cleavage of the C–H bond at the peri-position in the presence of a catalyst system of [IrCl(cod)]2/PBut3 to selectively afford the corresponding 8-vinyl-1-naphthol derivatives. N-(1-Naphthyl)benzenesulfonamides can similarly react with the alkynes. The reaction of salicylaldehyde with the alkynes using the catalyst system gives 2-hydroxyphenyl vinyl ketones via cleavage of the aldehyde C–H bond.</jats:p>

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