CH_3MgBr (excess) + EtO-C(=O)-OEt xrightarrow | vedclass

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Question

(B) The reaction of diethyl carbonate with excess Grignard reagent $(CH_3MgBr)$ proceeds as follows:$EtO-C(=O)-OEt$ $\xrightarrow{CH_3MgBr}$ $CH_3-C(=

Vedclass · Accepted Answer

$2-$Methylpropan$-2-$ol

Vedclass · Answer

(B) The reaction of diethyl carbonate with excess Grignard reagent $(CH_3MgBr)$ proceeds as follows:$EtO-C(=O)-OEt$ $\xrightarrow{CH_3MgBr}$ $CH_3-C(=O)-OEt$ $\xrightarrow{CH_3MgBr}$ $CH_3-C(=O)-CH_3$ $\xrightarrow{CH_3MgBr}$ $(CH_3)_3C-OMgBr$ $\xrightarrow{H^{+}}$ $(CH_3)_3C-OH$.The final product is $tert$-butyl alcohol ($2$-methylpropan-$2$-ol).

$CH_3MgBr$ (excess) + $EtO-C(=O)-OEt$ $\xrightarrow{(2) H^{+}}$ $(A)$; Product $(A)$ is:

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