Definition of Naphthoquinone

1. Noun. A fat-soluble vitamin that helps in the clotting of blood.




Definition of Naphthoquinone

1. n. A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid.

Definition of Naphthoquinone

1. Noun. (organic compounds) Either of two isomers of polycyclic aromatic ketones derived from naphthalene. ¹

¹ Source: wiktionary.com

Medical Definition of Naphthoquinone

1. A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid. Origin: Naphthalene + quinone. Source: Websters Dictionary (01 Mar 1998)

Naphthoquinone Pictures

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Lexicographical Neighbors of Naphthoquinone

naphthenic acid
naphthide
naphthides
naphthoate
naphthoate synthetase
naphthoates
naphthoflavone
naphthoflavones
naphthoic
naphthoic acid
naphthol
naphthol as d esterase
naphthol yellow S
naphtholate
naphthols
naphthoquinone (current term)
naphthoquinones
naphthous
naphthyl
naphthylamidase
naphthylamidases
naphthylamide
naphthylamides
naphthylamine
naphthylamines
naphthylpiperazine
naphthyls
naphthylthiourea
naphthylvinylpyridine
naphthyridine

Literary usage of Naphthoquinone

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

1. A Treatise on Chemistry by Henry Enfield Roscoe, Karl Schorlemmer (1892)
"... in fuming nitric acid and are not attacked by an acetic acid solution of chromium trioxide in the cold.1 AMIDO-DERIVATIVES OF a-naphthoquinone 2657 ..."

2. Journal of the American Chemical Society by American Chemical Society (1910)
"NOTE ON THE OXIDATION OF /J-naphthoquinone. BY CH ROBINSON. Received November I, 1909. In a series of experiments on the oxidation of naphthalene and ..."

3. The Natural Organic Colouring Matters by Arthur George Perkin, Arthur Ernest Everest (1918)
"O a-naphthoquinone. of which, however, only (i) and (2) are known. = 0 =o Both of these quinones are readily formed by the oxidation of various naphthalene ..."

4. Victor Von Richter's Organic Chemistry ; Or, Chemistry of the Carbon Compounds by Victor von Richter (1900)
"433). ; naphthoquinone, C,„H6[i,2]O3, is produced on oxidizing (S-amido- «-naphthol with ferric chloride (B. 17, R. 531 ; 21, 3472). ..."

5. Victor Von Richter's Organic Chemistry; Or, Chemistry of the Carbon by Victor von Richter, Richard Anschütz, Georg Schroeter (1900)
"It is produced from /3-naphthoquinone by the action of a little bleaching lime as ... Like n-naphthoquinone, it can add two atoms of chlorine and bromine, ..."

6. Victor Von Richter's Organic Chemistry; Or, Chemistry of the Carbon by Victor von Richter, Richard Anschütz, Georg Schroeter (1900)
"5-Oxy-a- naphthoquinone, Juglone, consists of yellow needles, melting with decomposition about 150-155°. The best method to obtain it consists in oxidizing ..."

7. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1921)
"... was probably much impressed by the recently discovered fact that benzene- azo-3-naphthol was identical with the phenyl hydrazone of ö-naphthoquinone, ..."

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