Lexic.us

Definition of Quinone

1. Noun. Any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes.

Definition of Quinone

1. n. A crystalline substance, C₆H₄O₂ (called also benzoketone), first obtained by the oxidation of quinic acid and regarded as a double ketone; also, by extension, any one of the series of which quinone proper is the type.

Definition of Quinone

1. Noun. (organic chemistry) any of a class of aromatic compounds having two carbonyl functional groups in the same six-membered ring ¹

¹ Source: wiktionary.com

Definition of Quinone

1. a chemical compound [n -S]

Medical Definition of Quinone

1. Aromatic dicarbonyl compound derived from a dihydroxy aromatic compound. Ubiquinone (coenzyme Q) is a dimethoxy dicarbonyl derivative of benzene involved in electron transport. Other quinones may act as tanning agents. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Quinone

Literary usage of Quinone

Below you will find example usage of this term as found in modern and/or classical literature:

1. Organic Chemistry: Or : Chemistry of the Carbon Compounds by Victor von Richter (1922)
"When an ethereal solution of thymo-quinone is allowed to stand in sunlight for ... Trichloro- and tetrachloro-quinone are separated from one another by the ..."

2. A Text-book of Organic Chemistry by August Bernthsen (1891)
"In both the latter compounds the formation of quinone has taken place more ... Belated to the quiñones are the quinone chlor-imides, which result from the ..."

3. A Dictionary of Chemistry and the Allied Branches of Other Sciences by Henry Watts (1869)
"quinone. The product is pressed between paper, and purified by sublimation. In like manner quinone may be obtained from coffee and other vegetable ..."

4. The Practical Methods of Organic Chemistry by Ludwig Gattermann, William Bush Schober (1919)
"Thus, eg, by the action of phosphorus pentachloride on quinone, p-dichlor- benzene is formed, while the second formula would lead one to expect a ..."

5. Chemical Abstracts by American Chemical Society (1916)
"(I) slowly, makes it possible that the addition of HN» to quinone proceeds ... Thus HC1 acting on quinone first gives quinhydrone, which then dissolves and ..."

6. Report of the Annual Meeting (1903)
"There are some features which the three absorption curves of quinone, £>-nitroso-phenol, and quinone dioxime show in common, and o-nitroso-phenol appears to ..."

7. Elements of Chemistry: Theoretical and Practical by William Allen Miller (1862)
"This beautiful fuses on the application of a gentle heat ; it is partially by a further elevation of temperature, and emits of quinone. ..."

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