benzene ring

American  

noun

Chemistry.

1. the graphic representation of the structure of benzene as a hexagon with a carbon atom at each of its points. Each carbon atom is united with an atom of hydrogen, one or more of which may be replaced to form benzene derivatives.

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benzene ring British  

noun

1. Also called: benzene nucleus.  the hexagonal ring of bonded carbon atoms in the benzene molecule or its derivatives See also Kekulé formula

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benzene ring Scientific  

1. A hexagonal arrangement of six carbon atoms, each atom bonded to its adjacent atoms by a single covalent bond, and by an unusual ring bond of electrons shared by all six carbon atoms. The benzene ring is a basic component of many organic compounds, especially the aromatic hydrocarbons. In benzene itself, each carbon atom is also bonded to a hydrogen atom; in derivatives of benzene, one or more of the hydrogen atoms is replaced by other atoms or groups of atoms.

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Etymology

Origin of benzene ring

First recorded in 1875–80

Example Sentences

See Examples For:

benzene ring

They consist of an electron-abundant benzene ring fused to an electron-deficient pyridine ring; these electronically distinct rings can be modified independently by adjusting reaction conditions.

From Science Daily ● Jun. 19, 2024

"Imagine you have a benzene ring and it has one substituent on it," Chikik added.

From Science Daily ● Dec. 7, 2023

Examples of biological molecules that incorporate the benzene ring include some amino acids and cholesterol and its derivatives, including the hormones estrogen and testosterone.

From Textbooks ● Jun. 9, 2022

Lonsdale published her 1928 findings on the benzene ring in the Proceedings of the Royal Society13.

From Nature ● Nov. 4, 2019

So in the case of aromatic compounds, a little difference in the seating arrangement around the benzene ring changes the character.

From Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries by Slosson, Edwin E.