(a)
Interpretation: The synthesis of given compound from
Concept introduction: Gattermann reaction is the organic reaction for the formylation of
(b)
Interpretation: The synthesis of given compound from
Concept introduction: Gattermann reaction is the organic reaction for the formylation of aromatic compounds using hydrogen cyanide in the presence of
Aldehyde or ketone on reaction with a base and an alkyl halide results in alkylation. The alkyl group substitutes for
(c)
Interpretation: The synthesis of given compound from
Concept introduction: The Friedel-Crafts acylation is a type of electrophilic substitution reaction. The Lewis acid ionizes the carbon-halogen bond of the acid chloride and forms a positively charged carbon electrophile which reacts with benzene to form ketone.
Claisen condensation takes place between two esters or between an ester and a ketone. In crossed Claisen condensation reaction, the base abstracts an acidic proton from the
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