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We have explored the addition of tetraallylstannane (7) to a variety of N-protected Weinreb amides (N-phthalimido and N-benzyl). Reactions were conducted in methanol and the ionic liquid, butylmethylimidazole tetrafluoroborate (bmim[BF 4 ]), yields of the corresponding N-protected allylketones were moderate to good. Allylation of the corresponding aminoaldehydes gave excellent yields of homoallylic...