clemmensen reduction

Question

Clemmensen reduction converts:

RankGuru · Accepted Answer

The **Clemmensen Reduction** is used to reduce the carbonyl group ($C=O$) of aldehydes and ketones directly into a methylene group ($-CH_2-$).
- Reagents: **Zinc Amalgam ($Zn-Hg$)** and concentrated **Hydrochloric acid ($HCl$)**.
- Application: It is highly effective for converting aromatic ketones to alkylbenzenes.
- Note: Because it uses concentrated acid, it is not suitable for substrates containing acid-sensitive groups. In such cases, the basic Wolff-Kishner reduction is used instead.

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clemmensen reduction

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