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Merging iridium and palladium photocatalysis manifested carbon\u2010carbon bonds in a tandem dual\u2010radical pathway. Present catalytic platform efficiently cross\u2010coupled <jats:italic>\u03b1<\/jats:italic>, <jats:italic>\u03b2<\/jats:italic>\u2010unsaturated acids and <jats:italic>\u03b1<\/jats:italic>\u2010keto acids to afford a variety of <jats:italic>\u03b1<\/jats:italic>, <jats:italic>\u03b2<\/jats:italic>\u2010unsaturated ketones with excellent (<jats:italic>E<\/jats:italic>)\u2010selectivity and functional group tolerance. 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