Supriya Ghosh

Ethylmagnesium bromide

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Ethylmagnesium bromide We Saw Below That 3methyl3hexanol Can Be Synthe Cheggcom

Ethylmagnesium bromide is a Grignard reagent with formula C2H5MgBr or C2H5Mg+·Br, namely a magnesium ion with a covalent bond to an ethyl group and an ionic bond to a bromine anion. It is widely used in the laboratory synthesis of organic compounds.


Ethylmagnesium bromide Ethylmagnesium bromide Wikipedia


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Apart from acting as the synthetic equivalent of an ethyl anion synthon for nucleophilic addition, ethylmagnesium bromide may be used as a strong base to deprotonate various substrates such as alkynes:

RC≡CH + EtMgBr → RC≡CMgBr + EtH

In this application, ethylmagnesium bromide has been supplanted by the wide availability of organolithium reagents.


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Ethylmagnesium bromide is commercially available, usually as a solution in diethyl ether or tetrahydrofuran. It may be prepared in the normal manner of Grignard reagents — by reacting bromoethane with magnesium in diethyl ether:

EtBr + Mg → EtMgBr
Ethylmagnesium bromide Ethylmagnesium bromide solution 10 M in THF SigmaAldrich


Ethylmagnesium bromide Wikipedia

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