1.

Predict the products formed in the following cases: (i) (A) reacts with PhMgBr and then hydrolysed. (ii) (A) reacts with hydrazine and is then heated with KOH and ethylene glycol.

Answer»

SOLUTION :(i) `underset((A))underset(CH_(3))underset(|)underset(CH_(2))underset(|)(CH_(3)CH_(2)C)=O+PhMgBr to CH_(3)CH_(2)-underset(CH_(3))underset(|)underset(CH_(2))underset(|)overset(Ph)overset(|)C-OMgBr overset(H_(2)O)to underset("3-Phenylpentane-3-ol")(CH_(3)CH_(2)-underset(CH_(3))underset(|)underset(CH_(2))underset(|)overset(Ph)overset(|)C-OH)`
(ii) `underset((A))(CH_(3)CH_(2)COCH_(2)CH_(3)) underset({:(KOH//"Ethylene glycol"),(" (Wolff-Kishner)"),("reduction"):})overset(NH_(2)NH_(2))to underset(N-"PENTANE")(CH_(3)CH_(2)CH_(2)CH_(2)CH_(3))`


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