epoxide

(redirected from Epoxides)
Also found in: Dictionary, Medical.
Related to Epoxides: Ethers

epoxide

[e′päk‚sīd]
(organic chemistry)
A reactive group in which an oxygen atom is joined to each of two carbon atoms which are already bonded.
A three-membered cyclic ether. Also known as oxirane.
References in periodicals archive ?
Background: Soluble epoxide hydrolase (sEH) has been demonstrated to be a key enzyme involved in the pathologic development of several cardiovascular diseases and inflammation, and inhibition of sEH is therefore very helpful or crucial for the treatment of ischemia-reperfusion injury, cardiac hypertrophy, hypertension and inflammation.
Some isocyanurate groups will react with epoxides to form oxazolidone rings during the curing process, resulting in a reduction of the crosslinking density that can be observed as a small increase in the amplitude of the oscillations in Fig.
Epoxides are highly reactive organic compounds comprised of a triple ring with two carbon atoms and one oxygen atom.
The PAH produce chemicals called diol epoxides, which react with the genetic material to cause mutations and initiate the carcinogenic process.
Novomer's novel catalyst technology enables CO2 to react with petrochemical epoxides to create a family of thermoplastic polymers that are up to 50 percent by weight CO2,'' the release said.
In solution, the reaction of amines with epoxides probably occurs by both catalyzed and non-catalyzed pathways, though the catalyzed pathway is significantly lower in energy and therefore dominant when hydrogen-bonding species are present.
hilare at the Beltsville Agricultural Research Center from the 2004 through 2008 growing seasons using traps baited with methyl 2,4,6-decatrienoates and traps-/cis(Z)-[alpha]-bisabolene epoxides, the reported pheromones of Plautia stali (Sugie et al.
The resulting epoxides readily dissolve into droplets of moisture in the air to form organic-rich aerosols, Paulot says.
The hardener is prepared by a process comprised of reacting a mixture comprised of at least one epoxidized polyalkylene oxide selected from the group of epoxidized polyethylene oxides, epoxidized polypropylene oxides, epoxidized polyethylene propylene oxides and mixtures thereof; at least one epoxidized aromatic hydroxy compound selected from the group of bisphenol A epoxides, bisphenol F epoxides and mixtures thereof; and at least one aromatic hydroxy compound selected from the group of bisphenol A, bisphenol F and mixtures thereof, to form an intermediate product; and introducing an excess amount of polyamine sufficient for the reaction of one molecule of polyamine with each epoxy group in the intermediate product, and reacting the intermediate product with the polyamine.
They also cover nucleic substitution at aliphatic carbon, synthesis of epoxides and aziridines, the protonation of enolates and kinetic resolution of racemic alcohols and amines.
The synthetic approach to two diastereomeric series of these compounds involves an amide enolate alkylation using R-prolinol as a chiral auxiliary and two isomeric epoxides derived from D-ala nine.
This book contains an introduction to biotransformation by both isolated enzymes and intact microorganisms, followed by a discussion of the reactions of biotransformation according to type: hydrolysis and condensation reactions applied to esters, amides, epoxides and nitriles; reduction of carbonyl and alkenic bonds; oxidation reactions including alcohol and aldehyde oxidations, Baeyer-Villiger oxidation, hydroxylation and epoxidation reactions, and oxidation at sulphur; and other biotransformations such as aldol condensations and O- and N-dealkylation reactions.