• Thumbnail for Catechol
    Catechol (/ˈkætɪtʃɒl/ or /ˈkætɪkɒl/), also known as pyrocatechol or 1,2-dihydroxybenzene, is an organic compound with the molecular formula C6H4(OH)2....
    22 KB (2,127 words) - 16:53, 3 June 2025
  • Thumbnail for Catechol-O-methyltransferase
    Catechol-O-methyltransferase (COMT; EC 2.1.1.6) is one of several enzymes that degrade catecholamines (neurotransmitters such as dopamine, epinephrine...
    29 KB (3,236 words) - 00:14, 10 July 2024
  • Catechol dioxygenases are metalloprotein enzymes that carry out the oxidative cleavage of catechols. This class of enzymes incorporate dioxygen into the...
    2 KB (179 words) - 21:54, 15 April 2024
  • Thumbnail for Melanin
    Melanin (redirect from Catechol melanin)
    Melanin produced by plants are sometimes referred to as 'catechol melanins' as they can yield catechol on alkali fusion. It is commonly seen in the enzymatic...
    63 KB (6,750 words) - 05:49, 2 June 2025
  • Catechol oxidase is a copper oxidase that contains a type 3 di-copper cofactor and catalyzes the oxidation of ortho-diphenols into ortho-quinones coupled...
    20 KB (2,446 words) - 10:48, 17 May 2025
  • Thumbnail for Estrogen
    Estrogen (redirect from Estrogens, catechol)
    3α-androstanediol, and 3β-androstanediol. Some estrogen metabolites, such as the catechol estrogens 2-hydroxyestradiol, 2-hydroxyestrone, 4-hydroxyestradiol, and...
    73 KB (7,807 words) - 19:54, 4 June 2025
  • Thumbnail for Catechol estrogen
    A catechol estrogen is a steroidal estrogen that contains catechol (1,2-dihydroxybenzene) within its structure. The catechol estrogens are endogenous metabolites...
    4 KB (354 words) - 17:55, 12 December 2020
  • Thumbnail for Catechol 1,2-dioxygenase
    Catechol 1,2- dioxygenase (EC 1.13.11.1, 1,2-CTD, catechol-oxygen 1,2-oxidoreductase, 1,2-pyrocatechase, catechase, catechol 1,2-oxygenase, catechol dioxygenase...
    17 KB (1,856 words) - 21:52, 15 April 2024
  • In enzymology, a catechol oxidase (dimerizing) (EC 1.1.3.14) is an enzyme that catalyzes the chemical reaction 4 catechol + 3 O2 ⇌ {\displaystyle \rightleftharpoons...
    1 KB (127 words) - 21:53, 15 April 2024
  • Thumbnail for Catecholamine
    organic compound that has a catechol (benzene with two hydroxyl side groups next to each other) and a side-chain amine. Catechol can be either a free molecule...
    20 KB (2,115 words) - 20:42, 25 May 2025
  • Thumbnail for Catechol 2,3-dioxygenase
    Catechol 2,3-dioxygenase (EC 1.13.11.2, 2,3-pyrocatechase, catechol 2,3-oxygenase, catechol oxygenase, metapyrocatechase, pyrocatechol 2,3-dioxygenase)...
    3 KB (262 words) - 21:52, 15 April 2024
  • Thumbnail for Nebicapone
    Nebicapone (developmental code name BIA 3-202) is a catechol O-methyltransferase (COMT) inhibitor which was under development for the treatment of Parkinson's...
    7 KB (614 words) - 03:33, 14 October 2024
  • Thumbnail for Catechol-O-methyltransferase inhibitor
    A catechol-O-methyltransferase inhibitor (COMT inhibitor) is a drug that inhibits the enzyme catechol-O-methyltransferase. This enzyme methylates catecholamines...
    10 KB (1,107 words) - 04:30, 28 May 2025
  • characteristic of ketones. 1,2-Benzoquinone is produced on oxidation of catechol exposed to air in aqueous solution or by ortho oxidation of a phenol. A...
    6 KB (477 words) - 13:34, 24 January 2025
  • Thumbnail for 4-tert-Butylcatechol
    4-tert-Butylcatechol (TBC) is an organic chemical compound which is a derivative of catechol. TBC is available in the form of a solid crystal flake and 85% solution...
    5 KB (245 words) - 16:11, 8 June 2024
  • is a single nucleotide polymorphism (SNP) in the COMT gene that codes catechol-O-Methyltransferase. The single nucleotide substitution between G--> A...
    4 KB (374 words) - 04:45, 4 December 2024
  • Thumbnail for List of dopaminergic drugs
    (adrenaline) Inhibitors: CGS-19281A SKF-64139 SKF-7698 COMTTooltip Catechol-O-methyl transferase Substrates→Products: Dopamine→3-Methoxytyramine DOPAC→Homovanillic...
    17 KB (998 words) - 02:33, 9 November 2024
  • Thumbnail for Neluxicapone
    Neluxicapone (category Catechol-O-methyltransferase inhibitors)
    Neluxicapone (INNTooltip International Nonproprietary Name) is a catechol O-methyltransferase (COMT) inhibitor which has not been marketed as of 2024....
    4 KB (196 words) - 13:19, 9 October 2024
  • Thumbnail for 4-Methoxyestrone
    endogenous, naturally occurring methoxylated catechol estrogen and metabolite of estrone that is formed by catechol O-methyltransferase via the intermediate...
    3 KB (243 words) - 16:26, 21 October 2024
  • Thumbnail for Catecholborane
    is a derivative of catechol and a borane, having the formula C6H4O2BH. Traditionally catecholborane is produced by treating catechol with borane (BH3)...
    5 KB (352 words) - 15:41, 7 February 2024
  • Thumbnail for 4-Methoxyestradiol
    endogenous, naturally occurring methoxylated catechol estrogen and metabolite of estradiol that is formed by catechol O-methyltransferase via the intermediate...
    3 KB (170 words) - 14:24, 27 April 2023
  • o-diphenol:oxygen oxidoreductase enzymes (catechol oxidases). The substrate preference of tyrosinases and catechol oxidases is controlled by the amino acids...
    29 KB (3,296 words) - 12:51, 9 June 2025
  • Thumbnail for Dopaminergic
    acid decarboxylase or DOPA decarboxylase, monoamine oxidase (MAO), and catechol O-methyl transferase (COMT) may be referred to as dopaminergic as well...
    28 KB (2,802 words) - 07:18, 2 June 2025
  • Thumbnail for Ayahuasca
    Positive allosteric modulators: 5-Aminoindole 5-Chloroindole 5-Hydroxyindole Catechol Chloroform meta-Chlorophenylbiguanide (mCPBG) Colchicine Ethanol (alcohol)...
    95 KB (10,348 words) - 04:10, 8 June 2025
  • Thumbnail for 2-Methoxyestrone
    endogenous, naturally occurring methoxylated catechol estrogen and metabolite of estrone that is formed by catechol O-methyltransferase via the intermediate...
    3 KB (183 words) - 16:26, 21 October 2024
  • process of dehydrogenation of a hydroquinone, such as hydroquinone itself or catechol, to a quinone or alternatively the addition of a single hydrogen atom with...
    1 KB (126 words) - 18:12, 7 June 2025
  • Thumbnail for Condensed tannin
    Condensed tannins (proanthocyanidins, polyflavonoid tannins, catechol-type tannins, pyrocatecollic type tannins, non-hydrolyzable tannins or flavolans)...
    16 KB (1,674 words) - 04:48, 26 May 2025
  • Thumbnail for Tyrosinase
    dioxygen (O2). In the presence of catechol, benzoquinone is formed (see reaction below). Hydrogens removed from catechol combine with oxygen to form water...
    32 KB (3,176 words) - 10:18, 22 May 2025
  • Thumbnail for Molybdenum blue
    (NH4)6 Mo7O24, with sodium arsenate, Na2HAsO7. Some drugs that contain a catechol group react with phosphomolybdic acid (H3PMo12O40) to give the heteropoly-molybdenum...
    17 KB (2,198 words) - 22:58, 8 June 2025
  • oxygen is catalyzed by diverse enzymes such as laccase, which convert the catechol groups to quinones. The resulting quinones are susceptible to nucleophilic...
    2 KB (213 words) - 10:34, 20 March 2024