benzylic

Thân thiện

The chemist points to the benzylic carbon in the molecular model.

Definition

1. Adjective:
   • Relating to or characteristic of a benzyl group: In organic chemistry, "benzylic" describes a position, carbon atom, or chemical property directly attached to or influenced by a benzyl group (C₆H₅CH₂–). A benzylic carbon is the carbon atom in the methylene (–CH₂–) group of a benzyl substituent.

Usage Examples

• Adjective:
  • The benzylic carbon is highly reactive in many substitution reactions.
  • Oxidation of the benzylic position converts the methyl group to a carboxylic acid.
  • This molecule contains a benzylic hydrogen, which is relatively easy to abstract.

Advanced Usage

• "Benzylic position": Refers specifically to the carbon atom (and its substituents) directly bonded to the aromatic ring in a benzyl-type structure. This position is known for its enhanced reactivity.

  • Free radical halogenation occurs preferentially at the benzylic position.

• "Benzylic oxidation": A chemical reaction where a benzylic methyl or methylene group is oxidized to a carbonyl (aldehyde or ketone) or carboxylic acid functional group.

  • Potassium permanganate is often used for benzylic oxidation.

Variants and Related Words

• Benzyl (noun): The univalent molecular group C₆H₅CH₂–, derived from toluene.

  • Benzyl alcohol is a common solvent.

• Benzene (noun): The parent aromatic hydrocarbon (C₆H₆) from which the benzyl group is conceptually derived.

Synonyms

• Phenylmethyl-related (technical): Pertaining to the phenylmethyl (benzyl) group.

Học thuật

Adjective

1. relating to benzyl