Organometallics – Addition to a carbonyl group (Grignard reagent)

Click the structures and reaction arrows in sequence to view the 3D models and animations respectively

Grignard reagents react in a similar way to organolithium reagents. Methyl magnesium bromide
is shown reacting with ethanal, and the metal cation again coordinates with the alkoxide. This is followed by protonation of the oxygen anion with water.

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E. C. Ashby, J. Laemmle and H. M. Neumann, Acc. Chem. Res., 1973, 7, 272–280.

B. Goldfuss, Synthesis (Stuttg)., 2005, 0, 2271–2280.


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