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

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...

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...

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

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

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...

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...

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

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

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...

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

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

is a single nucleotide polymorphism (SNP) in the COMT gene that codes catechol-O-Methyltransferase. The single nucleotide substitution between G--> A...

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...

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

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...

2-Hydroxymuconate semialdehyde is formed from catechol by the enzyme catechol 2,3-dioxygenase during the degradation of benzoates. It is hydrolysed into...

acid decarboxylase or DOPA decarboxylase, monoamine oxidase (MAO), and catechol O-methyl transferase (COMT) may be referred to as dopaminergic as well...

3-O-methyldopa is produced by the methylation of L-DOPA by the enzyme catechol-O-methyltransferase. The necessary cofactor for this enzymatic reaction...

Sulfamation can also be effected by treating the amine with the sulfate ester of catechol (C6H4O2SO2). DuBois, Grant E.; Stephenson, Rebecca A. (1980). "Sulfonylamine-Mediated...

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

excreted from the body. In vitro, the meta-hydroxyl group of catechol is methylated by catechol-O-methyltransferase. Four of the five hydroxyl groups of quercetin...

is a derivative of catechol and a borane, having the formula C6H4O2BH. Traditionally catecholborane is produced by treating catechol with borane (BH3)...

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

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

often turn beige during storage. It is a derivative, formally speaking, of catechol. Hydroxytyrosol and its derivatives occur in olives and in wines. The olives...

comparable to the American poison ivy, as its sap contains heptadecyl catechols that are toxic to the skin. An immuno-chemical reaction is suspected as...

(NH4)6 Mo7O24, with sodium arsenate, Na2HAsO7. Some drugs that contain a catechol group react with phosphomolybdic acid (H3PMo12O40) to give the heteropoly-molybdenum...