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Does this reaction actually take place -

$$\ce{C2H5MgCl + O2 ->[H2O] C2H5OH}$$

I never saw this kind of a reaction. I thought that grignard reagent might take a proton from water and just form ethane.

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This paper says it does and notes that while the yield of alcohols from aliphatic Grignards is 60-90%, formation of phenols is much less satisfactory. Other methods exist for the formation of phenols from aryl organometallics with much better yields.

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