Catechol (/ˈkætɪtʃɒl/ or /ˈkætɪkɒl/), also known as pyrocatechol or 1,2-dihydroxybenzene, is an organic compound with the molecular formula C6H4(OH)2....

Catechol-O-methyltransferase (COMT; EC 2.1.1.6) is one of several enzymes that degrade catecholamines (neurotransmitters such as dopamine, epinephrine...

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...

Catechol dioxygenases are metalloprotein enzymes that carry out the oxidative cleavage of catechols. This class of enzymes incorporate dioxygen into the...

A catechol estrogen is a steroidal estrogen that contains catechol (1,2-dihydroxybenzene) within its structure. The catechol estrogens are endogenous metabolites...

3α-androstanediol, and 3β-androstanediol. Some estrogen metabolites, such as the catechol estrogens 2-hydroxyestradiol, 2-hydroxyestrone, 4-hydroxyestradiol, and...

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...

o-diphenol:oxygen oxidoreductase enzymes (catechol oxidases). The substrate preference of tyrosinases and catechol oxidases is controlled by the amino acids...

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...

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...

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...

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...

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...

Catechol 2,3-dioxygenase (EC 1.13.11.2, 2,3-pyrocatechase, catechol 2,3-oxygenase, catechol oxygenase, metapyrocatechase, pyrocatechol 2,3-dioxygenase)...

Nebicapone (developmental code name BIA 3-202) is a catechol O-methyltransferase (COMT) inhibitor which was under development for the treatment of Parkinson's...

A catechol-O-methyltransferase inhibitor (COMT inhibitor) is a drug that inhibits the enzyme catechol-O-methyltransferase. This enzyme methylates catecholamines...

chemical reaction 2,3-dihydroxybenzoate ⇌ {\displaystyle \rightleftharpoons } catechol + CO2 This enzyme belongs to the family of lyases, specifically the carboxy-lyases...

Chloridazon-catechol dioxygenase (EC 1.13.11.36) is an enzyme that catalyzes the chemical reaction 5-amino-4-chloro-2-(2,3-dihydroxyphenyl)-3(2H)-pyridazinone...

Condensed tannins (proanthocyanidins, polyflavonoid tannins, catechol-type tannins, pyrocatecollic type tannins, non-hydrolyzable tannins or flavolans)...

chemical reaction 3,4-dihydroxybenzoate ⇌ {\displaystyle \rightleftharpoons } catechol + CO2 This enzyme belongs to the family of lyases, specifically the carboxy-lyases...

Vitamin B2 Vitamin H Biotin Reclassified as Vitamin B7 Vitamin J Catechol, Flavin Catechol nonessential; flavin reclassified as Vitamin B2 Vitamin L1 Anthranilic...

(adrenaline) Inhibitors: CGS-19281A SKF-64139 SKF-7698 COMTTooltip Catechol-O-methyl transferase Substrates→Products: Dopamine→3-Methoxytyramine DOPAC→Homovanillic...

symptoms occurs after a dose of levodopa, but right before their next dose. Catechol-O-methyltransferase (COMT) is a protein that degrades levodopa before it...

l-amino acid decarboxylase (AADC). l-DOPA can be directly metabolized by catechol-O-methyl transferase to 3-O-methyldopa, and then further to vanillactic...

pesticides and pharmaceuticals. 1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes. 1,4-Benzodioxine MDMA Methylenedioxy Safrole...

Model structure of a humic acid, having a variety of components including quinone, phenol, catechol, and sugar moieties...

Oxycodone, sold under the brand name Roxicodone and OxyContin (which is the extended-release form) among others, is a semi-synthetic opioid used medically...

breaking the aromaticity. Next, the diol is newly reduced by NADH to catechol. The catechol is then metabolized to acetyl CoA and succinyl CoA, used by organisms...

isomers: 1,2-dihydroxybenzene (the ortho isomer) is commonly known as catechol, 1,3-dihydroxybenzene (the meta isomer) is commonly known as resorcinol...

metabolite of epinephrine (also known as adrenaline) created by action of catechol-O-methyl transferase on epinephrine. An article in the Journal of the American...