Mechanism reactions acetaldehyde. Medical search. Frequent questions

Ethanol shows substantial selectivity for attack at a C-H bond of the methyl group, affording ethylene glycol and 2-chloroethanol, as well as more expected products such as acetaldehyde and acetic acid. (caltech.edu)
The axetil moiety is metabolized to acetaldehyde and acetic acid. (pharmfair.com)
Acetaldehyde is metabolized further to acetic acid by aldehyde dehydrogenase. (medscape.com)
Acetaldehyde is primarily used as an intermediate in the manufacturing of acetic acid, flavorings, aniline dyes, plastics and synthetic rubber, in some fuel compounds and in the manufacture of numerous other products (Muttray et al. (who.int)

Thus, Huh-7 may be more vulnerable to ethanol toxicity because of the higher levels of acetaldehyde. (springer.com)
In an investigation to evaluate environmental tobacco smoke exposure among casino dealers in three U.S. casinos, NIOSH (2009a) found that the levels of acetaldehyde in full-shift personal breathing zone ranged from 4.8 to 17.0 g/m3. (who.int)

Ultimately, disulfiram reduces the rate of oxidation of acetaldehyde, causing a 5- to 10-fold increase in the concentration of acetaldehyde. (medscape.com)
During alcohol metabolism after antabuse intake, the concentration of acetaldehyde occurring in the blood may be 5 to 10 times higher than that found during metabolism of the same amount of alcohol alone. (worldselectshop.com)

In one of the more spectacular addition reactions, formaldehyde in the presence of calcium hydroxide adds to MeCHO to give pentaerythritol, C(CH2OH)4 and formate. (wikipedia.org)
Different chemical systems have been studied using the above techniques: 1) the reaction of HO2 radicals with formaldehyde, 2) the 248 nm photolysis of acetaldehyde and 3) the OH initiated oxidation of Hexamethyl benzene. (u-bordeaux1.fr)
Zhang L, Steinmaus C, Eastmond DA, Xin XK, Smith MT. Formaldehyde exposure and leukemia: a new meta-analysis and potential mechanisms. (who.int)
Tobacco smoke contains more than 4000 chemicals, including carcinogenic and toxic carbonyl compounds (e.g., formaldehyde, acetaldehyde, and acrolein).1,2 The amount of many individual carbonyl compounds in mainstream smoke is typically in the range of micrograms per cigarette.3 A risk assessment by Fowles and Dybing4 on chemical constituents in cigarette smoke suggested that mainstream smoke gas-phase constituents contribute heavily toward the cancer risk indices. (cdc.gov)
Low-molecular-weight carbonyl compounds such as formaldehyde, acetaldehyde, and acrolein are difficult to accurately analyze because they are highly volatile, reactive, and water-soluble. (cdc.gov)

11. In a purely synthetic sense, you should know how to reduce carbonyl functions directly to the alkane moiety ( CH2) by the thioacetal and Wolff-Kishner methods ( no mechanisms).Know the general scheme for the conversion of carbonyl double bonds to imine double bonds (addition and elimination). (utexas.edu)
In a Grignard reaction, a carbon-bonded magnesium halide adds to a carbonyl group to form an alcohol. (acs.org)
The analysis of the products suggests that 4‐MB species form via 2‐butenal self‐addition by nucleophilic attack of the α‐C to the carbonyl‐C. Additionally, Diels-Alder reactions (between C6 and C2 intermediates) do not contribute in any significant manner to the formation of 4‐MB. (scite.ai)

Acetaldehyde is then oxidized to acetate by aldehyde dehydrogenase (ALDH). (medscape.com)

Consumption of disulfiram inhibits acetaldehyde dehydrogenase, the enzyme responsible for the metabolism of acetaldehyde, thereby causing it to build up in the body. (wikipedia.org)
[ 3 ] Disulfiram blocks this enzyme, irreversibly inhibiting the oxidation of acetaldehyde and causing a marked increase in acetaldehyde concentrations after ethanol consumption. (medscape.com)
In order to regain the ability to metabolize acetaldehyde, the individual must therefore synthesize new stores of the enzyme. (medscape.com)
People with alcohol flush reaction lack an enzyme required to break down a toxic byproduct of alcohol metabolism called acetaldehyde. (ihelpuride.com)
We attempt to elucidate the mechanism by which the enzyme facilitates this reaction through interactions between active-site residues and the substrate. (edu.au)
Firstly, via glutathione synthesis, it assists the deficient ALDH2 enzyme break down acetaldehyde before it causes facial flushing. (asian-flush.net)
The functionality of the ALDH2 enzyme is a crucial element in breaking down a toxic metabolite of alcohol called acetaldehyde and it's deficiency causes a toxic buildup whenever alcohol is consumed. (getsunset.com)
Alcohol dehydrogenase (ADH), a cytosolic enzyme, metabolizes alcohol to acetaldehyde in hepatocytes. (medscape.com)
Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction. (bvsalud.org)

Acetaldehyde (IUPAC systematic name ethanal) is an organic chemical compound with the formula CH3CHO, sometimes abbreviated as MeCHO. (wikipedia.org)
CH3CHO + H2O}}} This method is one of the oldest routes for the industrial preparation of acetaldehyde. (wikipedia.org)
CH3CHO + Hg}}} The mechanism involves the intermediacy of vinyl alcohol, which tautomerizes to acetaldehyde. (wikipedia.org)
Ethanol CH3CH2OH, Acetaldehyde CH3CHO, Methyl Ketone CH3COR and certain secondary alcohols like CH3CHROH. (primeapps.com)

The hydroformylation of methanol with catalysts like cobalt, nickel, or iron salts also produces acetaldehyde, although this process is of no industrial importance. (wikipedia.org)
Therefore, understanding active site stability and evolution under different reaction conditions is key to the design of efficient and robust catalysts. (nature.com)
Therefore, in situ control of the structure of the active sites in bimetallic catalysts should offer a way to tune reaction networks and achieve efficient conversion to the desired products. (nature.com)
Robust transition metal complexes with chelating nitrogen ligands show great promise as homogeneous catalysts for this reaction, but a practical system has yet to be identified. (caltech.edu)
Challenges in improving catalysts for electrochemical CO2 reduction require a clear understanding of the reaction mechanisms that lead to products of higher value. (stanford.edu)
The reactions occur via different routes over different catalysts with different products. (edu.pl)

This reaction results in the production of acetaldehyde, a carcinogenic compound, which is enzymatically reduced to acetate by aldehyde dehydrogenase (ALDH) [ 12 ]. (springer.com)
Acetaldehyde is possibly carcinogenic to humans (Group 2B) because there is inadequate evidence in humans for the carcinogenicity of acetaldehyde, and there is sufficient evidence in experimental animals for the carcinogenicity of acetaldehyde. (who.int)

The mechanism of the reaction with aldehydes or ketones. (utexas.edu)
narrower product distributions that provide selectivity to specific species emerge if unsaturated aldehydes (and enals) mainly participate in condensation reactions. (scite.ai)
Condensation reactions of biomass derived C2 and C4 aldehydes form both ortho‐ and para‐tolualdehydes (2‐MB and 4‐MB, respectively). (scite.ai)
Bromine reacts with alkenes and alkynes through addition reactions and with aldehydes through oxidation (Figure 6.53). (primeapps.com)

Similarly noncompetitive, acetaldehyde arises from synthesis gas with modest selectivity. (wikipedia.org)
Each state of the catalyst exhibits distinct selectivity for the dehydrogenation of ethanol reaction with the single-atom alloy phase exhibiting high selectivity to acetaldehyde and hydrogen versus a range of products from Pd clusters. (nature.com)
The origin of the unusual selectivity patterns is discussed in terms of the mechanism of activation of C-H bonds by Pt(II) species. (caltech.edu)

Also, Pd nanoparticles (NPs) are needed for the methane oxidation reaction, and the decomposition of the NPs into single Pd atoms at high temperatures leads to a drop in reactivity 18 . (nature.com)
The last two reactants can form products that may be assigned to specific reaction pathways (not distinguishable during self‐addition of 2‐butenal) and also have decreased reactivity at specific carbon atoms. (scite.ai)

Reaction of benzaldehyde, acrolein and acetaldehyde with butadiene in the presence of stoichiometric quantities of the a,w -octadiendiyl nickel phosphine complex have been studied. (soton.ac.uk)

The reaction of the methylidyne radical (CH) with acetone ((CH3)2CO) is studied at room temperature and at a pressure of 4 Torr (533.3 Pa) using a multiplexed photoionization mass spectrometer coupled to the tunable vacuum ultraviolet synchrotron radiation of the Advanced Light Source at Lawrence Berkeley National Laboratory. (edu.au)
Coupled with additional product detection for the CD + acetone reaction, these observations pave the way for development of general set of reaction mechanisms for the addition of CH to compounds containing an acetyl subgroup. (edu.au)
The Haloform reaction is a chemical reaction where haloforms (CH 3 X) are produced by the complete halogenation of acetone (CH 3 COCH 3 ), acetophenone (PhCOCH 3 ), or acetaldehyde (HCOCH 3 ) in the presence of a base. (chemistrylearner.com)

But there is also a mechanism in which the aldol condensation takes place in the presence of an acid. (khanacademy.org)

It is used primarily as a source of the "CH3C+H(OH)" synthon in aldol reactions and related condensation reactions. (wikipedia.org)
The yield of 2‐butenal decreases with increasing conversion of acetaldehyde (for conversions greater than 15 %), because secondary condensation reactions, which form C 6 and C 8 enal products, consume 2‐butenal. (scite.ai)
Here, analysis of the products formed by sequential condensation reactions of acetaldehyde and 2‐butenal suggests that 2‐ and 4‐MB products form via aromatization of 2,4,6‐octatrienal and of highly reactive acyclic intermediate(s) formed via self‐addition of 2‐butenal, respectively. (scite.ai)

The disulfiram-ethanol reaction (DER) is due to increased serum acetaldehyde concentrations generated by the metabolism of ethanol by alcohol dehydrogenase in the liver. (medscape.com)
The highest acetaldehyde concentrations were generally found in fortified wines (118 ± 120 mg/l, range 12-800 mg/l). (who.int)
100 µM) concentrations of acetaldehyde. (who.int)
Three recent studies have reported acetaldehyde air concentrations in facilities that produce and use flavorings. (who.int)
In a facility that manufactures flavorings, modified dairy products and bacterial additives, NIOSH (2007) reported mean, full-shift time-weighted average (TWA) acetaldehyde air concentrations of 0.14 ppm in the powder production room, 0.07 ppm in the liquid production room, and 0.07 ppm in the pre-production corridor. (who.int)
TWA acetaldehyde air concentrations were 0.44 ppm in the spray-drying room, 0.343 ppm in the powder production room, 0.273 ppm in the liquid production room, and 0.029 ppm in the pre-production corridor. (who.int)
In a small popcorn popping plant, NIOSH (2009b) reported that acetaldehyde concentrations in air were less than the detectable (0.09 ppm) or quantifiable (0.15 ppm) concentrations. (who.int)

[3] [4] The German chemist Valentin Hermann Weidenbusch (1821-1893), another of Liebig's students, synthesized paraldehyde in 1848 by treating acetaldehyde with acid (either sulfuric or nitric acid) and cooling to 0°C. He found it quite remarkable that when paraldehyde was heated with a trace of the same acid, the reaction went the other way, recreating acetaldehyde. (wikipedia.org)

The OH radical recycling mechanism in isoprene oxidation is one of the most exciting topics in atmospheric chemistry, and the corresponding studies expand our understanding of oxidation mechanisms of volatile organic compounds in the troposphere and provide reliable evidence to improve and develop conventional atmospheric models. (bvsalud.org)
This thesis deals with the kinetic study of some of these atmospherically relevant reactions to better understand their oxidation mechanisms using experimental techniques such as laser photolysis coupled to detection by Laser Induced Fluorescence (LIF, for OH), continuous wave- Cavity Ring- down Spectroscopy (cw-CRDS, for HO2) and time resolved UV spectroscopy (UV, for Hexamethylbenzene-OH adduct). (u-bordeaux1.fr)

Hydrogen is not directly a greenhouse gas, but its chemical reactions change the abundances of the greenhouse gases methane, ozone, and stratospheric water vapor, as well as aerosols. (noaa.gov)
0,$ and the redox reaction where hydrogen peroxide is oxidized by chlorate(I) can be considered a thermodynamically favorable process. (stackexchange.com)
Which reaction between Lugol and Hydrogen peroxide? (stackexchange.com)
The main observed reaction exit channel is elimination of a hydrogen atom to form C4H6O isomers. (edu.au)

3. Skip the haloform reaction and the iodoform test. (utexas.edu)
Definition: What is Haloform Reaction? (chemistrylearner.com)
The history of the haloform reaction can be traced back to 1822 when French professor Georges-Simon Serullas made the accidental discovery that iodine and alkali convert alcohol into iodoform. (chemistrylearner.com)

Prior to the Wacker process and the availability of cheap ethylene, acetaldehyde was produced by the hydration of acetylene. (wikipedia.org)
This PtCu/SiO 2 SAA is also highly selective for the hydrogenation of 1,3-butadiene to butene 15 and acetylene to ethylene 14 via a mechanism in which H 2 dissociates at isolated Pt atom sites and the H atoms spill over to Cu, where the selective hydrogenation occurs. (nature.com)
Furthermore, Ni and Pt clusters are required for the complete hydrogenation of ethylene to ethane, as this reaction does not take place on highly dilute NiCu alloys 19 or the PtCu SAA 14 . (nature.com)
In these reactions the main products were symmetric olefinic diesters arising from dimerisation with elimination of ethylene. (soton.ac.uk)

Smaller quantities can be prepared by the partial oxidation of ethanol in an exothermic reaction. (wikipedia.org)
The reaction of sulfuric acid and acetaldehyde is exothermic, with the heat of reaction being −113 kJ·mol −1 . (wikipedia.org)

The reaction can occur without the -OH being protonated. (khanacademy.org)
This specificity is suggested to be consistent with the hypothesis that electrophiles attack at a a -allylnickel bond in preference to an -allylnickel bond, and is discussed in these terms.Dimerisation of cyclooctene by a tungsten salt was shown to occur by a Lewis acid type mechanism to give cyclooctylidene, although the nature of the species involved is not known. (soton.ac.uk)
These antabuse-alcohol reactions can occur up to two weeks after the medication has been stopped. (worldselectshop.com)
Fermentation reactions occur in the cytoplasm of both prokaryotic and eukaryotic cells. (zestrestaurant.co.za)
Occupational exposure to acetaldehyde may occur by inhalation and skin exposure at workplaces where this compound is produced or used. (who.int)

They simulated the reactions of CH 3 MgCl with acetaldehyde and fluorenone in tetrahydrofuran, revealing a complicated mechanistic landscape involving competing nucleophilic and radical pathways that differ in energy by just 1 kcal-too small for their simulations to differentiate. (acs.org)
This detailed kinetics study of Z-Î´-(4-OH, 1-OO)-ISOPOO radical chemistry offers a typical example to deeply understand the core mechanism of OH recycling pathways in isoprene oxidation, and provides valuable insights for promoting the development of relevant atmospheric models. (bvsalud.org)
Many fruits, such as apples, may have their own metabolic pathways for acetaldehyde production. (who.int)

Attempts to carry out these reactions under catalytic conditions withrespect to the nickel complex were unsuccessful.Reactions of isoprene and acetaldehyde only gave products in a catalyst system derived from Ni(CDT).PR3. (soton.ac.uk)

In considering disulfiram toxicity, a distinction must be made between the clinical manifestations of a disulfiram-ethanol reaction (DER) and the toxic effects of disulfiram itself. (medscape.com)
The directly toxic effects of disulfiram include neurologic, cutaneous, and hepatotoxic sequelae in addition to the disulfiram-ethanol reaction. (medscape.com)
Emergency department treatment of disulfiram-ethanol reaction (DER) is primarily supportive. (medscape.com)
Disulfiram irreversibly inhibits the oxidation of acetaldehyde by competing with the cofactor nicotinamide adenine dinucleotide (NAD) for binding sites on ALDH (see the image below). (medscape.com)
Disulfiram reduces the rate of oxidation of acetaldehyde by competing with the cofactor nicotinamide adenine dinucleotide (NAD) for binding sites on aldehyde dehydrogenase (ALDH). (medscape.com)
An increased serum acetaldehyde concentration is thought to be responsible for the unpleasant side effects associated with the disulfiram-ethanol reaction. (medscape.com)

Acetaldehyde is also an endogenous metabolite produced from ethanol. (who.int)

Normally, this acetaldehyde is cleared rapidly by its metabolism to acetate via aldehyde dehydrogenase. (medscape.com)
Its role in carbohydrate metabolism is the decarboxylation of pyruvic acid in the blood and a-ketoacids to acetaldehyde and carbon dioxide. (nih.gov)

At Sn/Rh = 1.7, kinetic studies indicate that ethanol, acetaldehyde and ethane are the primary products, whereas CO and CH 4 are secondary products. (edu.sa)

These oxidation reactions are considerably improved by using phase-transfer catalysis (PTC) when the catalyst is an anionic oxo complex. (r2mweingarten.de)
His research focuses on the fundamental understanding of electrochemical reactions and organic electrosynthesis including various oxygen-atom functionalization catalysis, asymmetric synthesis, biochemical reactions. (rsc.org)

Unwanted oxidative enzymes and oxidizable juice compounds may trigger adverse reactions that can negatively affect quality and aging potential. (winemakermag.com)
These two flush defence mechanisms are held in place by a synergy of compounds balanced precisely for optimum flush fighting effect. (asian-flush.net)
Such properties have facilitated the development of a rich and diverse reaction chemistry for compounds of the group 4 transition metals with pentamethylcyclopentadienyl ancillary ligands. (caltech.edu)
Use of a swivel frit assembly in the synthesis of air sensitive compounds is described along procedures for the addition of gases, volatile and nonvolatile liquids and solutions to reaction mixtures. (caltech.edu)
The degradation of volatile organic compounds under tropospheric conditions is induced by reaction with hydroxyl radicals followed by the subsequent chemistry of the initial OH oxidation products with O2. (u-bordeaux1.fr)

A chemical called N-acetyl-cysteine may be useful in detoxifying the body from acetaldehyde buildup, but this too is an unproven treatment. (ihelpuride.com)

These reactions are suggested to involve metal carbene intermediates and the potential of metathesis reactions in organic synthesis has been discussed. (soton.ac.uk)
The theme of this meeting is to present chemical processes taking place on a variety of timescales from ultrafast energy transfer to the reactions of long lived intermediates. (grc.org)

NHIS data are collected annually from a nationally rep- and toxins such as diacetyl, acetaldehyde, and other harm- resentative sample of the noninstitutionalized U.S. civilian ful chemicals have been documented in the aerosol from population through a personal household interview. (cdc.gov)

Olefinic esters with a chain length of less than five carbon atoms inhibited reaction by association and deactivation of the catalyst. (soton.ac.uk)
These kinetic data, associated with previous physical observations leading to the concept of 'site isolation' of rhodium atoms in a matrix of tin atoms, lead to the proposal of a reaction mechanism involving a single rhodium atom. (edu.sa)

Paraldehyde can be produced by the direct reaction of acetaldehyde and sulfuric acid . (wikipedia.org)

Acetaldehyde is a common electrophile in organic synthesis. (wikipedia.org)
Organic chemistry students and bench chemists alike rely on the Grignard reaction, a relatively simple way to make carbon-carbon bonds. (acs.org)
Test: Reaction Mechanism Level - 5 for Chemistry 2023 is part of Organic Chemistry preparation. (edurev.in)
Solutions of Test: Reaction Mechanism Level - 5 questions in English are available as part of our Organic Chemistry for Chemistry & Test: Reaction Mechanism Level - 5 solutions in Hindi for Organic Chemistry course. (edurev.in)
This review presents the recent progress of oxygen functionalization reactions based on non-electrochemical (conventional organic synthesis) and electrochemical methods. (rsc.org)
We hope to direct the attention of readers to the latest breakthroughs of traditional oxygen functionalization reactions and to the potential of electrochemistry for the transformation of organic substrates to useful end products. (rsc.org)
The present invention relates to a method to decrease an aldehyde content of a polyester that comprises incorporating into the molten polyester an effective amount of an additive that is capable of catalyzing a hydride-transfer reaction between an organic donor molecule and said aldehyde, said additive being disposed substantially throughout said polyester. (allindianpatents.com)

We elucidate the mechanisms behind these effects by investigating the critical role of the optical cavity in modifying the intramolecular and intermolecular coupling patterns. (emory.edu)

Condensed tannins continue to evolve through the aging process as favorable reactions with oxygen propagate. (ucdavis.edu)
During his postdoctoral research at the Massachusetts Institute of Technology (MIT), he studied the electrochemical oxygen functionalization reactions. (rsc.org)
The acid catalyzed oxygen exchange of acetaldehyde. (weizmann.ac.il)

However, the knowledge on mechanisms by which alcohol consumption leads to cancer progression and its aggressiveness is limited. (springer.com)
During alcohol consumption, acetaldehyde is formed in the digestive system by microbes in normal gut and flora. (who.int)

The process occurs in two parts: an aldol reaction, which forms an aldol product, and a dehydration reaction, which removes water to form the final product. (khanacademy.org)
Several mechanisms are responsible for dehydration, including protracted vomiting, decreased fluid intake, and inhibition of antidiuretic hormone secretion by ethanol. (medscape.com)

Antabuse produces a sensitivity to alcohol which results in a highly unpleasant reaction when the patient under treatment ingests even small amounts of alcohol. (worldselectshop.com)
Accumulation of acetaldehyde in the blood produces a complex of highly unpleasant symptoms referred to as the antabuse-alcohol reaction. (worldselectshop.com)

I want to get the latest chemistry news from C&EN in my inbox every week. (acs.org)
The Test: Reaction Mechanism Level - 5 questions and answers have been prepared according to the Chemistry exam syllabus.The Test: Reaction Mechanism Level - 5 MCQs are made for Chemistry 2023 Exam. (edurev.in)

serves as the connection between the KPP chemical mechanism files and GEOS-Chem. (harvard.edu)
Within FlexChem, there is a single supported chemical mechanisms (named [ https://github.com/geoschem/geos-chem/blob/main/KPP/fullchem/fullchem.eqn fullchem), but users may also define their own custom mechanisms. (harvard.edu)

The research shows that whichever pathway the reaction takes, it's not just the reactant and substrate that matter: "The number and movements of attached solvent molecules play a supporting role in the mechanism," says Grignard-reaction expert Robert E. Mulvey of the University of Strathclyde. (acs.org)
Paraldehyde is the cyclic trimer of acetaldehyde molecules. (wikipedia.org)

IUPAC name: ethenol): CH3CH=O ⇌ CH2=CHOH ∆H298,g = +42.7 kJ/mol The equilibrium constant is 6×10−7 at room temperature, thus that the relative amount of the enol form in a sample of acetaldehyde is very small. (wikipedia.org)
At room temperature, acetaldehyde (CH3CH=O) is more stable than vinyl alcohol (CH2=CHOH) by 42.7 kJ/mol: Overall the keto-enol tautomerization occurs slowly but is catalyzed by acids. (wikipedia.org)

This results in a variety of unpleasant reactions that include facial flushing, headaches, nausea and a general feeling of discomfort. (getsunset.com)

9.Write the detailed mechanism for both acid and base catalyzed hydration of a ketone. (utexas.edu)

10.Be able to write the detailed mechanism for acid and base catalyzed hemiacetal formation .Also, write the mechanism for the acid catalyzed conversion of a hemiacetal to an acetal. (utexas.edu)
What kind of substitution mechanism is involved in the acid catalyzed process. (utexas.edu)

The Grignard reaction often starts with magnesium turnings. (acs.org)

citation needed] Before 1962, ethanol and acetylene were the major sources of acetaldehyde. (wikipedia.org)

iv) Catalyst deactivation mechanisms were elucidated. (edu.pl)
Coking formation is proven to be the main reason for catalyst deactivation because of polymerization and polycondensation reactions. (edu.pl)

For some other reactions, clusters of the catalytically active metal atom are needed to activate chemical bonds and obtain the desired products. (nature.com)
ACD is a of Risk from Existing Knowledge (DEREK) may be delayed (type IV) hypersensitivity reaction to an useful to some extent in the initial screening of exogenous chemical mediated by T-cell-related potential sensitization hazard of chemicals in processes (1-3). (cdc.gov)

Explain why this mechanism is particularly favorable and why the alternate substitution mechanism is not. (utexas.edu)

This reaction has been used in qualitative analysis to indicate the presence of a methyl ketone in which excess iodine is used to halogenate the compound. (chemistrylearner.com)

Numerous mechanisms such as acquisition of cancer stem cells (CSCs), a subpopulation characterized by self-renewal and differentiation abilities can explain HCC aggressiveness. (springer.com)
Cross-linking reactions with anthocyanins in the presence of acetaldehyde and numerous polymerization mechanisms act to stabilize the color and decrease the perceived astringency of the wine. (ucdavis.edu)
Despite numerous experimental and theoretical efforts, the underlying mechanism of VSC effects remains elusive. (emory.edu)

0008] Another approach to minimize the AA content of polyesters has been to incorporate additives into the polyester that will selectively react with, or scavenge, the acetaldehyde that is present. (allindianpatents.com)

Pyrite is widely distributed in estuarine sediments as an inexpensive natural Fenton-like reagent, however, the mechanism on the hydroxyl radical (HO·) production by pyrite under estuarine environmental conditions is still poorly understood. (bvsalud.org)

Products obtained were both 1:1 and 2:1isoprene to acetaldehyde adducts. (soton.ac.uk)
In this work, we use density functional theory (DFT) to determine the most competitive coupling mechanisms leading to C3 products on Cu(100) and Cu(511). (stanford.edu)
Products of fermentation In fermentation, pyruvate is decarboxylated to acetaldehyde, and acetaldehyde is reduced by NAD + producing lactic acid. (zestrestaurant.co.za)
The objective of this work was to identify, via kinetic experiments, the primary products of the reaction in order to propose a mechanistic explanation for the selective hydrogenation of ethyl acetate to ethanol. (edu.sa)

The reaction can be used to transform acetyl groups into carboxyl groups or to produce chloroform (CHCl 3 ), bromoform (CHBr 3 ), or iodoform (CHI 3 ) and also cyanide. (chemistrylearner.com)

On average, α -pinene yielded SOA with about 6-7 % from NO 3 radicals and 3-4 % from OH-radical reaction. (copernicus.org)

Acetaldehyde occurs naturally in coffee, bread, and ripe fruit, and is produced by plants. (wikipedia.org)

Ethanol is mainly metabolized in the liver to acetaldehyde by alcohol dehydrogenase (ADH). (medscape.com)

Diseases1

Chemicals and Drugs17

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Information Science1

Named Groups1

Acetic acid4

Levels of acetaldehyde2

Concentration of acetaldehyde2

Formaldehyde5

Carbonyl3

Oxidized to acetate by aldehyde dehydrogenase1

Enzyme9

CH3CHO4

Catalysts6

Carcinogenic2

Aldehydes4

Selectivity3

Reactivity2

Benzaldehyde1

Acetone3

Aldol condensation1

Condensation reactions3

Concentrations7

Nitric acid1

Oxidation mechanisms2

Hydrogen4

Haloform reaction3

Ethylene4

Exothermic2

Occur5

Pathways3

Isoprene1

Disulfiram6

Metabolite1

Metabolism2

Ethane1

Catalysis2

Compounds5

Buildup1

Intermediates2

Toxins1

Atoms2

Sulfuric acid1

Organic7

Elucidate1

Oxygen3

Alcohol consumption2

Dehydration2

Produces2

Chemistry2

Chem2

Molecules2

Room temperature2

Unpleasant1

Hydration1

Acid catalyzed2

Grignard1

Acetylene1

Deactivation2

Chemical2

Favorable1

Methyl1

Numerous3

Additives1

Hydroxyl1

Products4

Iodoform1

Radicals1

Occurs1

Liver1