How would ethylene be converted in ethyl magnesium bromide?

1 Answer
anor277
May 31, 2017

#"Ethylene "stackrel(HBr)rarr" Ethyl bromide"#

Explanation:

#"Ethyl bromide "stackrel(Mg, Et_2O)rarr" Ethyl magnesium bromide"#

In symbols............

#H_3C=CH_2(g) +HBr(g)rarr H_3C-CH_2Br(l)#

#H_3C-CH_2Brstackrel(Mg, Et_2O)rarrH_3C-CH_2MgBr#

The Grignard reagent would not normally be isolated, but used directly...........Such reactions demand reasonably dry solvents, and protection from atmospheric moisture, and oxygen.

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