2-Benzoquinone, less commonly, left image (also ortho-benzoquinone, o-benzoquinone, ortho-quinone) 1,3-benzoquinone "does not ... There are 2 (out of 3 hypothetical) benzoquinones: 1,4-Benzoquinone, most commonly, right image (also para-benzoquinone, p- ... An alkylated p-benzoquinone has been found in the rhizomes of Iris kemaonensis. Arene substitution pattern Hoeben, WFLM Wilfred ... Benzoquinone (C6H4O2) is a quinone with a single benzene ring. ... "A new alkylated benzoquinone from rhizomes of Iris kumaonensis ...
... , also called ortho-benzoquinone, is an organic compound with formula C6H4O2. It is one of the two isomers of ... 1,2-Benzoquinone is produced on oxidation of catechol exposed to air in aqueous solution or by ortho oxidation of a phenol. A ... 4,5-Dimethyl-1,2-benzoquinone, also a red solid, is a well behaved synthetic ortho-quinone. The biological pigment melanin is ... 1,4-Benzoquinone Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The ...
... is used in the synthesis of Bromadol and related analogs. 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) is a ... Monochloro-p-benzoquinone is yet another but milder oxidant. 1,4-Benzoquinone is a toxic metabolite found in human blood and ... 1,4-Benzoquinone serves as a dehydrogenation reagent. It is also used as a dienophile in Diels Alder reactions. Benzoquinone ... 1,4-Benzoquinone, commonly known as para-quinone, is a chemical compound with the formula C6H4O2. In a pure state, it forms ...
... , also called hydroxy-para-benzoquinone, is an organic compound with formula C 6H 4O 3, formally ... The enzyme 2-hydroxy-1,4-benzoquinone-2-reductase converts it to 1,4-benzoquinone. It tends to dimerize spontaneously by peroxo ... 4-benzoquinone. The IUPAC name is 2-hydroxycyclohexa-2,5-diene-1,4-dione. It is formed by the reaction of 1,4-benzoquinone with ... Tetrahydroxy-1,4-benzoquinone Philipp, B; Schink, B (1998). "Evidence of two oxidative reaction steps initiating anaerobic ...
... , also called tetrahydroxy-p-benzoquinone, tetrahydroxybenzoquinone, or tetrahydroxyquinone (THBQ ... Klug, H. P. (1965). "The crystal structure of tetrahydroxy-p-benzoquinone". Acta Crystallographica. 19 (6): 983. doi:10.1107/ ... 4-benzoquinone (3/2)". Acta Crystallographica Section C. 57 (10): 1196-1198. doi:10.1107/S0108270101011647. PMID 11600783. Hof ...
In enzymology, a p-benzoquinone reductase (NADPH) (EC 1.6.5.6) is an enzyme that catalyzes the chemical reaction NADPH + H+ + p ... The systematic name of this enzyme class is NADPH:p-benzoquinone oxidoreductase. This enzyme participates in gamma- ... and p-benzoquinone, whereas its two products are NADP+ and hydroquinone. This enzyme belongs to the family of oxidoreductases, ... benzoquinone ⇌ {\displaystyle \rightleftharpoons } NADP+ + hydroquinone The 3 substrates of this enzyme are NADPH, H+, ...
... is a chemical compound, an oxide of carbon with formula C 10O 10. Its molecule ... It can be seen as a fourfold ester of tetrahydroxy-1,4-benzoquinone and oxalic acid. The compound was first described by H. S. ... It was obtained by reacting tetrahydroxy-1,4-benzoquinone with oxalyl chloride in tetrahydrofuran. It is a yellow solid that ... Tetrahydroxy-1,4-benzoquinone biscarbonate Hexahydroxybenzene trisoxalate Hexahydroxybenzene triscarbonate H. S. Verter, H. ...
... is a chemical compound, an oxide of carbon with formula C 8O 8. Its molecule ... It can be seen as a fourfold ester of tetrahydroxy-1,4-benzoquinone and carbonic acid. The compound was obtained by C. Nallaiah ... Tetrahydroxy-1,4-benzoquinone bisoxalate Hexahydroxybenzene trisoxalate Hexahydroxybenzene triscarbonate C. Nallaiah (1984), ... 4-Benzoquinones, Carbonate esters, Oxygen heterocycles, Heterocyclic compounds with 3 rings). ...
In enzymology, a 2-hydroxy-1,4-benzoquinone reductase (EC 1.6.5.7) is an enzyme that catalyzes the chemical reaction 2-hydroxy- ... The systematic name of this enzyme class is 2-hydroxy-1,4-benzoquinone:NADH oxidoreductase. Other names in common use include ... 4-benzoquinone, NADH, and H+, whereas its two products are 1,2,4-trihydroxybenzene and NAD+. This enzyme participates in gamma- ... 1,4-benzoquinone + NADH + H+ ⇌ {\displaystyle \rightleftharpoons } 1,2,4-trihydroxybenzene + NAD+ The 3 substrates of this ...
Hydroxy-1,4-benzoquinone Tetrahydroxy-1,4-benzoquinone Onkar Singh, Aran Kumar, and Karan Singh (2012), "Polymeric complexes of ... 2,5-Dihydroxy-1,4-benzoquinone or 2,5-dihydroxy-para-benzoquinone is an organic compound with formula C 6H 4O 4, formally ... benzoquinone, a key chromophore in aged cellulosics" Mini-Reviews in Organic Chemistry 2013, volume 10, pp. 309-315. v t e ( ... 4-benzoquinone at -162°C" Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry 1977, volume B31, 11-14. ...
... (or DDQ) is the chemical reagent with formula C6Cl2(CN)2O2. This oxidant is useful ... Buckle, Derek R.; Collier, Steven J.; McLaws, Mark D. (2005). "2,3-Dichloro-5,6-dicyano-1,4-benzoquinone". e-EROS Encyclopedia ... 2,3-Dichloro-5,6-dicyano-p-benzoquinone at Sigma-Aldrich Nomenclature of Organic Chemistry : IUPAC Recommendations and ... 4-Benzoquinones, Oxidizing agents, Reagents for organic chemistry). ...
"Alkylated benzoquinones from Iris kumaonensis". Phytochemistry. 61 (8): 923-926. doi:10.1016/S0031-9422(02)00474-0. PMID ...
"A new alkylated benzoquinone from rhizomes of Iris kumaonensis". Nat. Prod. Res. 20 (1): 75-78. doi:10.1080/14786410500045721. ... it found several compounds including a benzoquinone. As most irises are diploid, having two sets of chromosomes, this can be ... "Alkylated benzoquinones from Iris kumaonensis". Phytochemistry. 61 (8): 923-926. doi:10.1016/S0031-9422(02)00474-0. PMID ...
The benzoquinones may be carcinogenic. Before the beetle became problematic in poultry, it was better known as a pest of stored ... Like other darkling beetles, this species produces defensive benzoquinone compounds that can be irritating to humans, causing ...
Among the many irritant and toxic chemicals found in these secretions are alkaloids, benzoquinones, phenols, terpenoids, and ... Weldon, Paul J.; Aldich, Jeffrey R.; Klun, Jerome A.; Oliver, James E.; Debboun, Mustapha (2003). "Benzoquinones from ... is elicited by benzoquinones from millipedes". Naturwissenschaften. 93 (1): 14-16. Bibcode:2006NW.....93...14W. doi:10.1007/ ...
Harman, R. E. (1963). "Chloro-p-benzoquinone". Organic Syntheses.; Collective Volume, vol. 4, p. 148 Kamm, O. (1941). "β- ...
"Chloro-p-benzoquinone" (PDF). Organic Syntheses. 35: 22.; Collective Volume, vol. 4, p. 148 Bamberger, E. (1894). "Ueber die ...
Para-benzoquinones in the secretion of spirostreptoid millipedes. - Annals of the Entomological Society of America 58 (2): 247- ... Para-benzoquinones in the secretion of spirostreptoid millipedes". Annals of the Entomological Society of America. 58 (2): 247- ...
Livinghouse, Tom (1981). "Trimethylsilyl Cyanide: Cyanosilylation of p-Benzoquinone". Org. Synth. 60: 126. doi:10.15227/orgsyn. ...
Cyanosilylation of p-Benzoquinone". Org. Synth. 60: 126. doi:10.15227/orgsyn.060.0126. Haroutounian, Serkos A. (2001). "Acetone ...
Livinghouse, T. (1981). "Trimethylsilyl Cyanide: Cyanosilation of p-Benzoquinone". Organic Syntheses. 60: 126. doi:10.15227/ ...
For the latter, benzoquinone is suggested. "104874 , Potassium hydrogen phthalate". Archived from the original on 2014-08-21. " ...
NQ01 metabolizes benzoquinone toward polyphenols (counteracting the effect of MPO). GSH is involved with the formation of ... In the bone marrow, MPO converts these polyphenols to benzoquinones. These intermediates and metabolites induce genotoxicity by ...
Investigations into the types of metabolites produced by this fungus have found that it produces benzoquinone derivatives, ... Lana, EJL; Carazza, F; Takahashi, JA (2006). "Antibacterial Evaluation of 1,4-Benzoquinone Derivatives". J. Agric. Food Chem. ... Chaetoglobosins has been found to have anticancer activity, and benzoquinone derivatives have antibacterial properties. ...
1,2-Benzoquinone 1,4-Benzoquinone 1,4-Naphthoquinone 9,10-Anthraquinone The term quinone is also used more generally for a ... Relative to benzoquinone, more strongly oxidizing quinones include chloranil and 2,3-dichloro-5,6-dicyano-1,4-benzoquinone ( ... The benzoquinone blattellaquinone is a sex pheromone in cockroaches. In the spray of bombardier beetles, hydroquinone reacts ... Dahlin, D. C.; Miwa, G. T.; Lu, A. Y.; Nelson, S. D. (1984). "N-acetyl-p-benzoquinone imine: a cytochrome P-450-mediated ...
A range of primates rub millipedes onto their fur and skin; millipedes contain benzoquinones, compounds known to be potently ... Weldon PJ, Aldrich JR, Klun JA, Oliver JE, Debboun M (July 2003). "Benzoquinones from millipedes deter mosquitoes and elicit ...
A benzoquinone and a coumestan from Psoralea plicata. Nazli Rasool, Abdul Qasim Khan, Viqar Uddin Ahmad and Abdul Malik, ...
It thus appears whenever oxygen is mixed with single-electron redox catalysts, such as p-benzoquinone. Lithium superoxide also ... "Lithium superoxide encapsulated in a benzoquinone anion matrix". Proceedings of the National Academy of Sciences. 118 (51). ...
Nazli Rasool, Abdul Qasim Khan, Viqar Uddin Ahmad and Abdul Malik (1991). A benzoquinone and a coumestan from Psoralea plicata ...
Benzoquinone Naphthoquinone Parietin Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC ...