The word aryl group refers to a class of organic chemical compounds that contain a ring of atoms made up of carbon and hydrogen. The spelling of this word is pronounced /ˈærɪl/ in IPA phonetic transcription. The first letter "a" is pronounced with the short "a" sound, followed by "r" pronounced as in "rose". The letter "y" is pronounced with a short "i" sound, and the final letter "l" is pronounced with the same "l" sound as in "little".
An aryl group refers to a specific type of organic functional group that is derived from an aromatic compound. It is characterized by a planar and cyclic arrangement of carbon atoms that form a benzene ring or a similar aromatic ring structure bonded with other atoms or groups. The term "aryl" originates from the prefix "ary-" which signifies the benzene ring or a similar structure that is present in the group.
Aryl groups are composed of a collection of atoms, primarily carbon and hydrogen, arranged in a closed ring structure with alternating single and double bonds. The aromatic nature of the aryl group imparts unique chemical properties and reactivity, such as high stability and electron delocalization. These characteristics make aryl groups crucial building blocks in organic synthesis and the construction of numerous bioactive compounds and materials.
Common examples of aryl groups include phenyl (C6H5-), tolyl (C6H4CH3-), and xylyl (C6H3(CH3)2-). The aryl groups are typically attached to other atoms or functional groups, commonly through a carbon-carbon bond. Their presence can greatly influence the physical, chemical, and biological properties of a molecule, affecting its solubility, reactivity, and interactions.
Aryl groups find extensive applications in medicinal chemistry, materials science, and various industries, serving as vital elements in the synthesis of dyes, pharmaceuticals, polymers, and agrochemicals. Therefore, understanding the nature and behavior of aryl groups is fundamental for studying and manipulating aromatic compounds, enabling advancements in numerous scientific fields.
In chemistry, a group of radicals of the aromatic or benzene series.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "aryl" is derived from the term "aromatic", which refers to a class of organic compounds characterized by their distinct aroma. The term "aromatic" originates from the Greek word "arōma", meaning "odor" or "fragrance". In organic chemistry, an aryl group is simply a functional group derived from an aromatic compound, typically denoted as R-Ar. These groups play a crucial role in various organic reactions and are named as aryl based on their association with aromatic compounds.