Aromatic compound
Compound containing rings with delocalized pi electrons / From Wikipedia, the free encyclopedia
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Aromatic compounds or arenes usually refers to organic compounds "with a chemistry typified by benzene" and "cyclically conjugated."[1] The word "aromatic" originates from the past grouping of molecules based on odor, before their general chemical properties were understood. The current definition of aromatic compounds does not have any relation to their odor. [citation needed] Aromatic compounds are now defined as cyclic compounds satisfying Hückel's Rule. Aromatic compounds have the following general properties:[citation needed]
- Typically unreactive
- Often non polar and hydrophobic
- High carbon-hydrogen ratio
- Burn with a strong sooty yellow flame, due to high C:H ratio
- Undergo electrophilic substitution reactions and nucleophilic aromatic substitutions[2]
This article is missing information about Non-benzenoid aromatic compounds. (October 2022) |
Arenes are typically split into two categories - benzoids, that contain a benzene derivative and follow the benzene ring model, and non-benzoids that contain other aromatic cyclic derivatives.[citation needed] Aromatic compounds are commonly used in organic synthesis and are involved in many reaction types, following both additions and removals, as well as saturation and dearomatization.