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...

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...

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)...

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...

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...

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

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...

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...

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...

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

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

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

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...

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

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

endogenous, naturally occurring methoxylated catechol estrogen and metabolite of estrone that is formed by catechol O-methyltransferase via the intermediate...

ring is similar to a resorcinol moiety while the B ring is similar to a catechol moiety. There are two chiral centers on the molecule on carbons 2 and 3...

which insect cuticles are formed by hardening molecular precursors. The catechol substituent is susceptible to redox and crosslinking. "N-Acetyldopamine"...

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

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...

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...

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...