Novel synthesis of fused isoxazolidines via a palladium catalysed allene insertion-intramoleculer 1,3-dipolar cycloaddition cascade reaction.
A one pot, three component palladium catalysed allenation of aryl iodides, in combination with a nitrone cycloaddition, leads to formation of fused isoxazolidines, creating two rings, two stereocentres and one tetrasubstituted carbon centre.
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