QUINONE Meaning and
Definition
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A quinone refers to a type of organic compound that contains a unique five-membered carbon ring fused with a six-membered carbon ring, which gives it a characteristic structure. This cyclic arrangement consists of alternating carbon and oxygen atoms, giving rise to a total of six carbonyl functional groups. Quinones are highly reactive due to the presence of these carbonyl groups, which can undergo various chemical reactions. The name "quinone" is derived from the Latin word "quinque," meaning five, highlighting the five-membered ring in its structure.
Quinones are widely found in nature and play crucial roles in various biological processes. They are commonly involved in oxidation-reduction reactions, acting as electron acceptors or donors in cellular respiration and photosynthesis. As electron carriers, they participate in electron transport chains and facilitate energy transfer within cells. Furthermore, quinones often act as cofactors or prosthetic groups in certain enzymes, enabling their catalytic activity.
In addition to their biological significance, quinones have several applications in industry and research. Their redox properties make them valuable in the production of dyes, pigments, and colorants. Quinones also find use as precursor molecules in the synthesis of pharmaceuticals, including anti-cancer drugs. Furthermore, their unique structures and reactivity make quinones promising candidates for studying reaction mechanisms and developing new chemical reactions.
Overall, quinones represent a class of organic compounds characterized by their distinctive ring structures and chemical reactivity. They are essential in numerous biological processes and possess versatile applications in various fields.
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Chinone, a substance, C6H4O2, obtained from quinic acid by treating with manganese peroxide and sulphuric acid, it is prepared also from aniline by oxidation.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for QUINONE
Etymology of QUINONE
The word "quinone" comes from the Latin word "quinque", meaning "five". It is derived from the fact that quinones possess a five-membered ring structure. The term was coined in the mid-19th century by the German chemist August Wilhelm von Hofmann to describe a class of organic compounds that exhibit certain characteristics, including the ability to easily accept or donate electrons.
Similar spelling word for QUINONE
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