81. Efficient Preparation of Allylic Grignard Reagents Using Slurries of Precondensed Magnesium
    Oppolzer, W.; Kündig, E. P.; Bishop, P. M.; Perret, C.
    Tetrahedron Lett. 1982, 23, 3901-3904

Using a simple apparatus addition of 2-alkenyl halides to precondensed active Mg in THF gave clean solutions of 2-alkenylmagnesium halides which on carbonation furnished β,γ-unsaturated carboxylic acids in high yields.

DOI : 10.1016/S0040-4039(00)87738-2 

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