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*  Dakin oxidation
O-hydroxy phenyl aldehydes and ketones oxidize faster than p-hydroxy phenyl aldehydes and ketones in weakly basic conditions. ... In general, phenyl aldehydes are more reactive than phenyl ketones because the ketone carbonyl carbon is less electrophilic ... Catechol, for example, is synthesized from o-hydroxy and o-alkoxy phenyl aldehydes and ketones, and is used as the starting ... The Dakin oxidation (or Dakin reaction) is an organic redox reaction in which an ortho- or para-hydroxylated phenyl aldehyde (2 ...
*  Aldose
However aldehydes and ketones are almost always more stable than the corresponding enol forms, so the aldo- and keto- forms ... The determination is made based on the chirality of the asymmetric carbon furthest from the aldehyde end, namely the second- ... making it an aldehyde, and hydroxyl groups connected to all the other carbon atoms. Aldoses can be distinguished from ketoses, ...
*  ADH1B
There are more genes in the family of alcohol and aldehyde dehydrogenase genes. These genes are now referred to as ADH1A, ADH1C ... Alcohol dehydrogenase Aldehyde dehydrogenase GRCh38: Ensembl release 89: ENSG00000196616 - Ensembl, May 2017 "Human PubMed ... "Alcohol and aldehyde dehydrogenase genotypes and drinking behavior of Chinese living in Shanghai". Human Genetics. 96 (2): 151- ... Reference:". Smith M (Mar 1986). "Genetics of human alcohol and aldehyde dehydrogenases". Adv Hum Genet. 15: 249-90. doi: ...
*  Cascade reaction
Linear aldehydes (20), nitroalkenes (21) and α,β-unsaturated aldehydes (22) could be condensed together organocatalytically to ... Condensation of α,β-unsaturated aldehyde 22 with the organocatalyst then facilitates the conjugate addition of 25 to give ... Michael addition of aldehyde 20 to nitroalkene 21 occurs through enamine catalysis, yielding nitroalkane 25. ... selective rhodium-catalyzed hydroformylation of the less sterically hindered olefin bond in 59 yielded unsaturated aldehyde 60 ...
*  Alcohol dehydrogenase
... leading to NADH and a zinc bound aldehyde or ketone Release of the product aldehyde. The mechanism in yeast and bacteria is the ... Finally, Ser-48 deprotonates the alcohol, making it an aldehyde. From a mechanistic perspective, if the enzyme adds hydride to ... For instance cinnamaldehyde presents both aliphatic double bond and aldehyde function. Unlike conventional catalysts, alcohol ... Alcohol dehydrogenase (NAD(P)+) Aldehyde dehydrogenase Oxidoreductase Blood alcohol content for rates of metabolism This ...
*  Chiral auxiliary
The aldehyde is oriented such that the hydrogen is placed in a pseudo-axial orientation to minimize 1,3-diaxial interactions. ... Protected at the aldehyde function with (R)-BINOL, arylglyoxals reacted diastereoselectively with Grignard reagents to afford ... Condensation of SAMP or RAMP with an aldehyde or ketone affords the (E)-hydrazine. Deprotonation with lithium diisopropylamide ... Condensation of tert-butanesulfinamide with aldehydes and ketones Addition of a Grignard reagent to a tert-butanesulfinyl ...
*  Phenolic aldehyde
Phenolic aldehydes are derivatives of phenol. Phenolic aldehydes can be found in wines and cognacs. Examples : ... doi:10.1002/14356007.a03_463 Determination of Phenolic Aldehydes in Cognacs and Wines by Capillary Electrophoresis: New Cognac ... Hydroxybenzaldehydes Protocatechuic aldehyde Vanillin and isovanillin 2,3,4-trihydroxy benzaldehyde can be isolated from ... 1014914701477 Health-Beneficial Phenolic Aldehyde in Antigonon leptopus Tea. Vanisree Mulabagal, Ruby L. Alexander-Lindo, David ...
*  Aldehyde oxidase
AO catalyzes the conversion of an aldehyde in the presence of oxygen and water to an acid and hydrogen peroxide. an aldehyde + ... Aldehyde oxidase is very concentrated in the liver, where it oxidizes multiple aldehydes and nitrogenous heterocyclic compounds ... Aldehyde oxidase is a member of the molybd-flavo protein family and has a very complex evolutionary profile-as the genes of AO ... Aldehyde oxidase is thought to have a significant impact on pharmacokinetics. AO is capable of oxidizing many drugs in the ...
*  Zincke aldehyde
Zincke aldehydes, or 5-aminopenta-2,4-dienals, are the product of the reaction of a pyridinium salt with two equivalents of any ... Tryptamine-derived Zincke aldehydes are heated with strong base to give the rearranged enal as shown below. This reaction was ... One drawback of the Zincke Aldehyde synthesis is the need for 2 equivalents of the amine in the initial pyridine ring opening ... Also in 2009, the first reports of Zincke aldehydes undergoing a Pictet-Spengler reaction appeared from the group of Christian ...
*  Fatty aldehyde
Fatty aldehydes are aliphatic, long-chain aldehydes which may be mono- or polyunsaturated. The fatty aldehydes include ... Fat aldehydes were also detected in the heart muscle of mammals. Fatty aldehydes can be prepared by dehydrogenation of fatty ... Many fatty aldehydes find use as a fragrance in perfume production. An example is 2-methylundecanal which is the typical odor ... Fatty aldehydes are a natural component of many natural ingredients such as the essential oils of various citrus fruits. ...
*  Polyunsaturated aldehyde
T. rotula has been known to produce many types of polyunsaturated aldehydes, including (2E,4E/Z)-hepta-2,4-dienal, (2E,4E/Z,7Z ... Polyunsaturated aldehydes are oxylipins that are formed from lipids (specifically the fatty acid portion of lipids) when ... Polyunsaturated aldehydes (PUAs) are a group of allelopathic chemicals typically associated with diatom-copepod predator-prey ... These particular aldehydes are also produced by Stephanopyxis turris and Skeletonema costatum in response to wounding. ...
*  Abscisic aldehyde
... is an intermediate in the biosynthesis of the plant hormone abscisic acid. It is produced by the ... Ram K. Sindhu, David H. Griffin and Daniel C. Walton (1990). "Abscisic Aldehyde Is an Intermediate in the Enzymatic Conversion ... "Abscisic aldehyde oxidase in leaves of Arabidopsis thaliana". The Plant Journal. 23 (4): 481-488. doi:10.1046/j.1365-313x. ... "The Short-Chain Alcohol Dehydrogenase ABA2 Catalyzes the Conversion of Xanthoxin to Abscisic Aldehyde". The Plant Cell Online. ...
*  Aldehyde tag
Limitations of aldehydes and ketones as chemical reporters are due to competition with endogenous aldehydes or ketones in ... This compound is very reactive and easily hydrolyzed, releasing the aldehyde and a molecule of H2S, The aldehyde tag is a ... demonstrate the application of the aldehyde tag as a chemical conjugation site for glycans. The aldehyde tag sequence was ... a reactive aldehyde group is generated for further coupling. Since there already is an array of aldehyde-specific reagents ...
*  Caffeic aldehyde
... is a phenolic aldehyde contained in the seeds of Phytolacca americana. Caffeic acid Caffeyl alcohol Woo, W.S ... A new phenolic aldehyde from the seeds of Phytolacca americana. Soul Taehakkyo Saengyak Yonguso Opjukjip 18, 30-31. KEGG ...
*  Aldehyde dehydrogenase
... s (EC 1.2.1.3) are a group of enzymes that catalyse the oxidation of aldehydes. Despite the name " ... Aldehyde dehydrogenase is a polymorphic enzyme responsible for the oxidation of aldehydes to carboxylic acids, which leave the ... Marchitti, SA; Brocker, C; Stagos, D; Vasiliou, V (Jun 2008). "Non-P450 aldehyde oxidizing enzymes: the aldehyde dehydrogenase ... The active site binds to one molecule of an aldehyde and an NAD(P)+ that functions as a cofactor. A cysteine and a glutamate ...
*  Myristyl aldehyde
... , also known as tetradecanal, is a reduced form of myristic acid. It is naturally produced by bioluminescent ...
*  Protocatechuic aldehyde
... is a phenolic aldehyde, a compound released from cork stoppers into wine. This molecule can be used as ... Food Chem., 1998, 46 (8), pp 3166-3171 doi:10.1021/jf970863k Biotransformation of protocatechuic aldehyde and caffeic acid to ...
*  Coniferyl aldehyde
Coniferyl-aldehyde dehydrogenase uses coniferyl aldehyde, H2O, NAD+, and NADP+ to produce ferulate, NADH, NADPH, and H+. ... Coniferyl aldehyde is a low molecular weight phenolic compound susceptible to be extracted from cork stoppers into wine. ... Dihydroflavonol 4-reductase uses sinapaldehyde or coniferyl aldehyde or coumaraldehyde and NADPH to produce sinapyl alcohol or ... Coniferyl-alcohol dehydrogenase uses coniferyl alcohol and NADP+ to produce coniferyl aldehyde, NADPH, and H+. ...
*  Cyclamen aldehyde
... is a fragrance molecule which has been used in soaps, detergents, lotions and perfumes since the 1920s. It ... Cyclamen aldehyde is not naturally occurring and is prepared by the crossed-aldol condensation of cuminaldehyde and ... The Council of Europe (1970) included cyclamen aldehyde in the list of admissible artificial flavoring substances, at a level ...
*  Stephen aldehyde synthesis
... , a named reaction in chemistry, was invented by Henry Stephen (OBE/MBE). This reaction involves the ... 1925). "A new synthesis of aldehydes". J. Chem. Soc., Trans. 127: 1874-1877. doi:10.1039/CT9252701874. Wang, Zerong (2009). ... from which an aldehyde (7) is formed. Substitutes that increase the electron density promote the formation of the aldimin-tin ... "Über eine neue Methode zur Umwandlung von Carbonsäuren in Aldehyde" [About a new method for converting carboxylic acids into ...
*  Asymmetric addition of alkenylmetals to aldehydes
... has been widely used in total synthesis of natural product. For example, the ... Asymmetric addition of alkenylmetals to aldehydes is a chemical reaction in enantioselective synthesis that reacts an ... After transmetalation with diethylzinc, the generated alkenylzinc reagent (C) further reacted with the aldehyde (D) through ... alkenylmetal with an aldehyde to give an allyl alcohol (Figure "Asymmetric addition of alkenylmetals to aldehydes"). The ...
*  Bouveault aldehyde synthesis
The Bouveault aldehyde synthesis (also known as the Bouveault reaction) is a one-pot substitution reaction that replaces an ... The Bouveault aldehyde synthesis is an example of a formylation reaction, and is named for French scientist Louis Bouveault. ... Bodroux-Chichibabin aldehyde synthesis Bouveault-Blanc reduction Duff reaction Bouveault, L. (1904). "Modes de formation et de ... The first step of the Bouveault aldehyde synthesis is the formation of the Grignard reagent. Upon addition of a N,N- ...
*  Aldehyde oxidase 1
... is an enzyme that in humans is encoded by the AOX1 gene. Aldehyde oxidase produces hydrogen peroxide and, ... 2007). "Human aldehyde oxidase 1 interacts with ATP-binding cassette transporter-1 and modulates its activity in hepatocytes". ... Aldehyde oxidase is a candidate gene for amyotrophic lateral sclerosis. MOCOS GRCh38: Ensembl release 89: ENSG00000138356 - ... Rodrigues AD (1994). "Comparison of levels of aldehyde oxidase with cytochrome P450 activities in human liver in vitro". ...
*  Aldehyde ferredoxin oxidoreductase
In enzymology, an aldehyde ferredoxin oxidoreductase (EC 1.2.7.5) is an enzyme that catalyzes the chemical reaction an aldehyde ... Its primary role is to oxidize aldehyde coming derived from the metabolism of amino acids and glucoses. Aldehyde Ferredoxin ... AOR has been proposed to be the primary enzyme responsible for oxidising the aldehydes that are produced by the 2-keto acid ... In the catalytic cycle, W(VI) (tungsten "six") converts to W(IV) concomitant with oxidation of the aldehyde to a carboxylic ...
*  Aldehyde dehydrogenase (NADP+)
In enzymology, an aldehyde dehydrogenase (NADP+) (EC 1.2.1.4) is an enzyme that catalyzes the chemical reaction an aldehyde + ... Other names in common use include NADP+-acetaldehyde dehydrogenase, NADP+-dependent aldehyde dehydrogenase, and aldehyde ... This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with NAD+ ... Adachi O, Matsushita K, Shinagawa E & Ameyama M (1980). "Crystallization and properties of NADP-dependent aldehyde ...