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Tetraallylstannane and Weinreb amides: A simple 'green' route to N-protected homoallylic alcohols and allyl ketones
Journal article   Peer reviewed

Tetraallylstannane and Weinreb amides: A simple 'green' route to N-protected homoallylic alcohols and allyl ketones

A McCluskey, J Garner, David James Young and S Caballero
Tetrahedron Letters, Vol.41(42), pp.8147-8151
2000
url
https://doi.org/10.1016/S0040-4039(00)01408-8View
Published Version

Abstract

Organic Chemistry Medicinal and Biomolecular Chemistry Weinreb amides tetraallylstannane green chemistry homoallylic alcohols allyl ketones
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[BF4]), yields of the corresponding N-protected allylketones were moderate to good. Allylation of the corresponding aminoaldehydes gave excellent yields of homoallylic alcohols (68-94%) and moderate to good diastereoselectivities (50-86%). (C) 2000 Published by Elsevier Science Ltd.

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