Keggin structure heteropolyacid-catalyzed phosphinylation of secondary propargyl alcohols with phosphine oxides to γ-ketophosphine oxides.
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DOI: 10.1039/d4cc02195a
Abstract: Phosphotungstic acid with a Keggin structure as an efficient, simple and green catalyst for the phosphinylation of secondary propargyl alcohols with phosphine oxides to afford γ-ketophosphine oxides with up to 88% isolated yield was developed… read more here.
Keywords: secondary propargyl; keggin structure; propargyl alcohols; alcohols phosphine ... See more keywords
Palladium-Catalyzed Regioselective Coupling of Secondary Propargyl Carbonates and Ethyl 2-(pyridin-2-yl)acetate Derivatives: Facile Access to C-3 Benzylated Indolizines
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DOI: 10.1055/s-0037-1609552
Abstract: A palladium-catalyzed ligand controlled regioselective coupling reaction of secondary propargyl carbonates and ethyl 2-(pyridin-2-yl)acetate derivatives has been described, leading to C-3 benzylated indolizines for the first time in moderate to good yields. DBFphos as the… read more here.
Keywords: regioselective coupling; secondary propargyl; palladium catalyzed; carbonates ethyl ... See more keywords