Alcohols, Phenols and Ethers
Classification of alcohols and phenols:
- Mono, di, tri or polyhydric –
- On the basis of hybridisation –
- – OH
- Primary, secondary and tertiary
- Allylic alcohols
-
- Benzylic alcohols
2. – OH
a. Vinylic alcohol
b. Phenol
Classification of ethers:
- Simple or symmetrical –
C2H5OC2H5, C6H5OC6H5
- Mixed or unsymmetrical –
C2H5OCH3, CH3OC6H5
Common names of some phenols:
- Preparation of alcohols –
- From alkenes
- Acid catalysed hydration
[According to Markovnikov’s rule]
- Hydroboration – oxidation
- From carbonyl compounds
- By reduction of aldehydes and ketones.
Aldehydes give 1° and ketones give 2°alcohols.
- By reduction of carboxylic aciā¦
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