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See all on WikipediaQuinone - Wikipedia
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 number of –CH= groups into –C(=O)– groups with any necessary rearrangement of double bonds", resulting in "a fully … See more
Quinones form polymers by formation of hydrogen bonds with ρ-hydroquinone.
Reduction
Quinones are oxidizing agents, sometimes reversibly so. Relative to benzoquinone, more strongly … 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
Production of hydrogen peroxide
A large scale industrial application of quinones is for the production of hydrogen peroxide. 2-Alkylanthraquinones are hydrogenated to the … See more• Quinone methide – where one O is replaced by C
• Xylylene – where both O's are replaced by C's
• Quinone imine – where one O is replaced by N, illustrated by NAPQI See moreWikipedia text under CC-BY-SA license Quinine - Wikipedia
Quinine is a medication used to treat malaria and babesiosis. This includes the treatment of malaria due to Plasmodium falciparum that is resistant to chloroquine when artesunate is not available. While sometimes used for nocturnal leg cramps, quinine is not recommended for this purpose due to the risk of serious side effects. It can be taken by mouth or intravenously. Malaria resistance to quini…
Wikipedia · Text under CC-BY-SA licenseQuinone | 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 …
Quinone - an overview | ScienceDirect Topics
WEBQuinones are oxidants and possess soft (α,β-unsaturated carbonyl) and hard (carbonyl) electrophilic centers. They react with soft nucleophiles such as GSH in a classic 1,4 …
Pyrroloquinoline Quinone Chemistry, Biology, and …
WEBFeb 15, 2022 · The widely distributed, essential redox factor pyrroloquinoline quinone (PQQ, methoxatin) (1) was discovered in the mid-1960s. The breadth and depth of its biological effects are steadily being …
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 …
- More about quinonenounchemistry
- another term for 1,4-benzoquinone (see benzoquinone)
quinone (CHEBI:36141) - EMBL-EBI
WEBquinone. ChEBI ID. CHEBI:36141. Definition. Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by …
Pyrroloquinoline Quinone - an overview | ScienceDirect Topics
WEBPyrroloquinoline quinone (PQQ, also know as methoxatin) was discovered in 1964 by Hauge and its structure was determined by Kennard 15 years later. In addition to flavins …
Key role of quinone in the mechanism of respiratory …
WEBAug 18, 2020 · Our results suggest that quinone binding and chemistry play a key role in the coupling mechanism of complex I. Complex I (NADH:ubiquinone oxidoreductase) is the first enzyme of the...
biochemistry - Quinone A, Quinone B, Ubiquinone, …
WEBDifference between Quinone A (Q A) and Quinone B (Q B) Structural Difference: In many cases, both Q A and Q B are structurally identical. For example, both Q A and Q B are …
The Generation and Reactions of Quinone Methides - PMC
WEBJan 1, 2011 · Quinone methides form by two electron oxidation of p-hydroxy and o-hydroxy toluenes. This reaction proceeds by a complex mechanism through radical intermediates.
Quinine - Simple English Wikipedia, the free encyclopedia
WEBQuinine was the first treatment for malaria, known from 1631 in Europe, [2] [3] and probably much earlier to the native peoples of South America. Even today, quinine is …
Quinone methides and indole imine methides as intermediates in …
WEBJun 6, 2022 · Catalytic asymmetric transformations of quinone methides and indole imine methides involve catalysts such as chiral Brønsted acids, Lewis acids and bases as well …
IUPAC - quinones (Q05015)
WEBFeb 24, 2014 · quinones. Copy. https://doi.org/10.1351/goldbook.Q05015. Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived …
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.
Quinolone antibiotic - Wikipedia
WEBQuinolone antibiotics constitute a large group of broad-spectrum bacteriocidals that share a bicyclic core structure related to the substance 4-quinolone. [1] . They are used in …
Category:Quinones - Wikimedia Commons
WEBQuinones. From Wikimedia Commons, the free media repository. quinone. compounds having a fully conjugated cyclic dione structure derived from aromatic compounds by …
퀴논 - 위키백과, 우리 모두의 백과사전
WEB퀴논(영어: quinone)은 공식적으로 이중 결합의 재배열이 필요한 동일한 수의 –CH= 기를 –C(=O)– 기로 전환하여 방향족 화합물(예: 벤젠 또는 나프탈렌)로부터 유도된 유기 …
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