• Thumbnail for Orcinol
    Orcinol is an organic compound with the formula CH3C6H3(OH)2. It occurs in many species of lichens including Roccella tinctoria and Lecanora. Orcinol...
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  • include orcinol, hydrochloric acid, and ferric chloride. A pentose, if present, will be dehydrated to form furfural which then reacts with the orcinol to generate...
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  • In enzymology, an orcinol 2-monooxygenase (EC 1.14.13.6) is an enzyme that catalyzes the chemical reaction orcinol + NADH + H+ + O2 ⇌ {\displaystyle \rightleftharpoons...
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  • reaction 2,4-dihydroxy-6-methylbenzoate ⇌ {\displaystyle \rightleftharpoons } orcinol + CO2 This enzyme belongs to the family of lyases, specifically the carboxy-lyases...
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  • related to the orceins, and consists essentially of several phenoxazone and orcinol residues.[citation needed] The intense coloring of the molecule is generated...
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  • the aniline acetate test with aniline acetate; and in Bial's test, with orcinol. In each of these tests, pentoses react much more strongly and quickly...
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  • Thumbnail for Resorcinol
    derivation from ammoniated resin gum, and for its relation to the chemical orcinol. Resorcinol has low toxicity, with an LD50 (rats, oral) > 300 mg/kg. It...
    20 KB (2,040 words) - 05:37, 17 April 2024
  • 20th century. In 1893, J. Norman Collie synthesized detectable amounts of orcinol by heating dehydracetic acid with barium hydroxide causing the pyrone ring...
    21 KB (2,213 words) - 16:11, 24 September 2024
  • Thumbnail for Orcein
    of the world. A major source is the archil lichen, Roccella tinctoria. Orcinol is extracted from such lichens. It is then converted to orcein by ammonia...
    11 KB (1,098 words) - 01:39, 19 April 2024
  • (caricaphenyl triol) of the papaya plant 2,3,5-trihydroxytoluene, a product of orcinol catalysis Hydroxytoluene Dihydroxytoluene Trinitrotoluene This set index...
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  • Thumbnail for Ethanethiol
    Retrieved 20 February 2015. Mirrington, R. N.; Feutrill, G. I. (1988). "Orcinol Monomethyl Ether". Organic Syntheses; Collected Volumes, vol. 6, p. 859...
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  • (3-methylbenzene-1,2-diol) 4-Methylcatechol (4-methylbenzene-1,2-diol) Orcinol (5-methylbenzene-1,3-diol) Methoxyphenols — can be derived from benzenediols...
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  • Thumbnail for Griseofulvin
    in relation to biosynthesis I. Some possible routes to derivatives of orcinol and phloroglucinol". Australian Journal of Chemistry. 6 (4): 360. doi:10...
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  • Thumbnail for Diffractaic acid
    Diffractaic acid is a β-orcinol depside with the molecular formula C20H22O7, which is produced by lichens. Diffractaic acid has cytotoxic, cytogenetic...
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  • 4-dihydroxytoluene) 2-methylbenzene-1,3-diol 4-methylbenzene-1,3-diol Orcinol (5-methylbenzene-1,3-diol or 3,5-dihydroxytoluene) 2-methylbenzene-1,4-diol...
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  • Thumbnail for Colobopsis saundersi
    corrosive compound 2,4-Dihydroxyacetophenone 2-Methyl-5,7-dihydroxychromone Orcinol (traces found) Aliphatics Undecane 2-Heptanone (traces found) Terpenoids...
    10 KB (977 words) - 15:56, 13 October 2024
  • PMC 1827660. PMID 20322688. Mirrington, R. N.; Feutrill, G. I. (1988). "Orcinol Monomethyl Ether". Organic Syntheses; Collected Volumes, vol. 6, p. 859...
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  • Thumbnail for Roccella tinctoria
    profit motive for Jean de Béthencourt during his conquest of the islands. Orcinol, a natural phenolic organic compound, occurs in many species of lichens...
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  • scent compounds are OOMT1 and OOMT2. OOMT1 and OOMT2 help to synthesize orcinol O-methyltransferases (OOMT), which catalyze the last two steps of the DMT...
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  • Thumbnail for Evernia esorediosa
    2% of the dry weight. In its lichenized condition divaricatic acid, an orcinol depside, made up 1.9% of Evernia esorediosa's dry weight. Specimens have...
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  • May 1908) was a German physician who invented a test for pentoses using orcinol, now known as Bial's test. Bial was born on 10 December 1869 in Breslau...
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  • os056.11. ISBN 978-0471264224. Mirrington, R. N.; Feutrill, G. I. (1973). "Orcinol Monomethyl Ether". Organic Syntheses. 53: 90. doi:10.15227/orgsyn.053.0090...
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  • Thumbnail for Xanthoparmelia
    variety of chemical compounds including orcinol depsides, orcinol depsidones, β-orcinol depsides, β-orcinol depsidones, anthraquinones, aliphatic acids...
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  • Thumbnail for Psoromic acid
    Psoromic acid is a β-orcinol depsidone with the molecular formula C18H14O8. Psoromic acid inhibits herpes simplex viruses type 1 and type 2. Furthermore...
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  • 2-Acetyl-5-methylfuran Methylbenzenediols 3-Methylcatechol 4-Methylcatechol Orcinol Hydroxymethylphenols Gastrodigenin Salicyl alcohol Methoxyphenols (benzenediol...
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  • Thumbnail for Parmotrema perlatum
    spectrometry (LC–MS/MS). The lichen produces several notable compounds, including orcinol, atraric acid, benzoic acid, 2,4-dihydroxy-3,6-dimethyl-, methyl ester...
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  • Thumbnail for Thamnolic acid
    Thamnolic acid is a β-orcinol depside with the molecular formula C19H16O11. Thamnolic acid was first isolated from the lichen Thamnolia vermicularis,...
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  • Thumbnail for Catechol-O-methyltransferase
    activity methyltransferase activity L-dopa O-methyltransferase activity orcinol O-methyltransferase activity Cellular component cytoplasm integral component...
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  • Thumbnail for Connorstictic acid
    analysis of Diploschistes lichens. They described it as "probably a β-orcinol depsidone", and noted that it commonly co-occurred in lichens with norstictic...
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  • Thumbnail for J. Norman Collie
    very remarkable 'condensations,' whereby it is converted into pyridine, orcinol and naphthalene derivatives. Collie served as Professor of Organic Chemistry...
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