CH_3-CH_2-C(=O)-OCH_3 + 2CH_3MgBr to A xright | vedclass

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(A) Methyl propionate $(CH_3-CH_2-COOCH_3)$ reacts with two equivalents of Grignard reagent $(CH_3MgBr)$ to form $2$-methylbutan-$2$-ol $(A)$.$CH_3-CH

Vedclass · Accepted Answer

$CH_3-C(CH_3)=CH-CH_3$

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(A) Methyl propionate $(CH_3-CH_2-COOCH_3)$ reacts with two equivalents of Grignard reagent $(CH_3MgBr)$ to form $2$-methylbutan-$2$-ol $(A)$.$CH_3-CH_2-COOCH_3 + 2CH_3MgBr 	o CH_3-CH_2-C(OH)(CH_3)_2 + CH_3OMgBr$Acid-catalyzed dehydration of $2$-methylbutan-$2$-ol $(A)$ follows Saytzeff's rule to give $2$-methylbut-$2$-ene $(B)$ as the major product.$CH_3-CH_2-C(OH)(CH_3)_2 \xrightarrow[\Delta]{H^+} CH_3-CH=C(CH_3)_2 + H_2O$

$CH_3-CH_2-C(=O)-OCH_3 + 2CH_3MgBr \to A \xrightarrow[\Delta]{H^+} B$
The product $B$ is:

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$CH_3-CH_2-C(=O)-OCH_3 + 2CH_3MgBr \to A \xrightarrow[\Delta]{H^+} B$The product $B$ is: