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Allylic Lithium, Magnesium and Zinc Reagents

During the preparation of allylic zinc reagents, the formation of Wurtz-coupling products may be observed, especially if the intermediate allylic radical is well stabilized. However, the direct insertion of zinc foil to allyl bromide in THF at 5 C is one of the best methods for preparing an allylic anion equivalent. Allylic zinc reagents are more convenient to prepare and to handle than their magnesium and lithium counterparts... [Pg.292]

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Allylation reagent

Allylic reagents

Allylic zinc reagents

Lithium Reagents

Lithium and magnesium

Magnesium and

Magnesium lithium

Magnesium reagents

Zinc reagents