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- nounquinones (plural noun)
- another term for 1,4-benzoquinone (see benzoquinone)
- any compound with the same ring structure as 1,4-benzoquinone.
Originmid 19th century: from Spanish quina (see quinine) + -one. - People also ask
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See all on WikipediaQuinone - Wikipedia
Quinones are oxidized derivatives of aromatic compounds and are often readily made from reactive aromatic compounds with electron-donating substituents such as phenols and catechols, which increase the nucleophilicity of the ring and contributes to the large redox potential needed to break … See more
The quinones are a class of organic compounds that are formally "derived from aromatic compounds [such as benzene or naphthalene] … See more
Production of hydrogen peroxide
A large scale industrial application of quinones is for the production of hydrogen peroxide. … See more• Quinone methide – where one O is replaced by C
• Xylylene – where both O's are replaced by C's
• Quinone … See moreQuinones form polymers by formation of hydrogen bonds with ρ-hydroquinone.
Reduction
Quinones are oxidizing agents, sometimes reversibly so. Relative to benzoquinone, more strongly oxidizing quinones include chloranil See moreQuinones are commonly named with a prefix that indicates the parent aromatic hydrocarbon ("benzo-" for benzene, "naphtho-" for naphthalene, "anthra-" for anthracene See more
• Quinones at the U.S. National Library of Medicine Medical Subject Headings (MeSH) See more
Wikipedia text under CC-BY-SA license Quinone Definition & Meaning - Merriam-Webster
WEB1. : either of two isomeric cyclic crystalline compounds C6H4O2 that are derivatives of benzene. 2. : any of various usually yellow, orange, or red quinonoid compounds …
Quinone | Definition & Uses | Britannica
WEBquinone, any member of a class of cyclic organic compounds containing two carbonyl groups, > C = O, either adjacent or separated by a vinylene group, ―CH = CH―, in a …
26.2: Quinones - Chemistry LibreTexts
WEBJul 31, 2021 · Besides playing a vital role in the oxidation-reduction processes of living organisms, quinones occur widely as natural pigments found mainly in plants, fungi, lichens, marine organisms, and insects …
Quinone - an overview | ScienceDirect Topics
WEBQuinones are a ubiquitous class of compounds found in several natural products including plants, fungi, and bacteria. Most of these naturally occurring quinones are synthesized …
QUINONE Definition & Meaning | Dictionary.com
WEBQuinone definition: a yellow, crystalline, cyclic unsaturated diketone, C6H4O2, formed by oxidizing aniline or hydroquinone. See examples of QUINONE used in a sentence.
The chemical and biological activities of quinones: overview and ...
WEBApr 20, 2011 · Quinones are electron carriers playing a role in photosynthesis. As vitamins, they represent a class of molecules preventing and treating several illnesses …
Quinone: A Scientific Overview - Healthy Directions
WEBJan 30, 2023 · Quinones are a class of compounds that have a diketone group attached to a benzene ring. Typically clinicians use this term to refer to coenzyme Q, but its chemical …
Quinone - Definition, Meaning & Synonyms | Vocabulary.com
WEBnoun. any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes. synonyms: …
Quinone Definition & Meaning | YourDictionary
WEBQuinone definition: Either of two isomeric compounds, C<sub>6</sub>H<sub>4</sub>O<sub>2</sub>, especially the yellow, crystalline …
Quinone - Explanation, Properties, Uses and FAQs - Vedantu
WEBJun 3, 2024 · Quinones are oxidized aromatic derivatives that are commonly produced from reactive aromatic compounds with electron-donating substituents including phenols …
quinone | Definition and example sentences - Cambridge Dictionary
WEBThis double ketone (quinone) is a reactive metabolite of naphthalene and is found in diesel exhaust particles. From. Wikipedia. The potential at the inert electrode depends on the …
What does quinone mean? - Definitions.net
WEBQuinone is a type of organic compound characterized by having two carbonyl groups (C=O) connected by a conjugated system in a six-membered unsaturated ring. …
A review on the role of quinones in renal disorders - PMC
WEBApr 1, 2013 · Quinones are small electron transfer molecules, found in virtually all cells that undergo aerobic metabolism, that play an important role in oxidative stress. …
Formation and Biological Targets of Quinones: Cytotoxic versus ...
WEBJan 1, 2017 · Quinones represent a class of toxicological intermediates, which can create a variety of hazardous effects in vivo including, acute cytotoxicity, immunotoxicity, and …
Quinones - definition of Quinones by The Free Dictionary
WEBn. 1. Either of two isomeric unsaturated cyclic compounds having the formula C 6 H 4 O 2, found widely in plants, especially in a yellow crystalline form, and used in making …
Ubiquinone | Definition & Function | Britannica
WEBApr 29, 2024 · Ubiquinone, any of several members of a series of organic compounds belonging to a class called quinones. Widely distributed in plants, animals, and many …
quinone - Wiktionary, the free dictionary
WEBJun 2, 2024 · quinone (plural quinones) (organic chemistry) Any of a class of aromatic compounds having two carbonyl functional groups in the same six-membered ring.
Quinone | definition of quinone by Medical dictionary
WEBquinone. (kwĭ-nōn′, kwĭn′ōn′) n. 1. Either of two isomeric unsaturated cyclic compounds having the formula C 6 H 4 O 2, found widely in plants, especially in a yellow crystalline …
IUPAC - quinones (Q05015)
WEBFeb 24, 2014 · aromatic. compounds by conversion of an even number of number of –CH= groups into –C (=O)– groups with any necessary. rearrangement. of double bonds …
What does quinones mean? - Definitions.net
WEBquinones. The quinones are a class of organic compounds that are formally "derived from aromatic compounds [such as benzene or naphthalene] by conversion of an even …
Quiñones Surname Origin, Meaning & Last Name History
WEBQuiñones Surname Definition: One who came from Quíñones (alloted portions of land), in Spain; one who farmed land on shares. Asturian name.
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