Detergent is a cleaning agent that is widely used in various purposes. One type of detergent is anionic detergent which is generally a sodium salt of a sulfonic acid such as sodium dodecylbenzene sulphonate. Write the correct reagent (not synthone) for I-IV ! The correct sodium dodecylbenzene sulphonate disconnection strategy is through pathway a or b ?

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Reactions at the Alpha Carbon Atom

The position next to the ketone or aldehyde functional group is termed as alpha position and the reaction which occurs at alpha position is called alpha substitution reaction. In an alpha substitution reaction, the alpha proton atom is substituted by an electrophile by the formation of an enol intermediate or enolate ion intermediate. Most of the carbonyl compounds go through an alpha substitution reaction.