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A novel family of dipropargylamines has been synthesised in one pot through a double catalytic A3‐coupling of five components. Cationic [AuI‐L][SbF6] complexes (L=JohnPhos) are extremely active catalysts for the double A3‐coupling of primary amines (aliphatic or aromatic), formaldehyde and trimethylsilylacetylene. Several reactions of LAu‐amine complexes with organic reagents were studied and followed...
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