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Organic compound containing the functional group R–CH=O
In organic chemistry, an aldehyde (/ˈældɪhaɪd/) (lat. alcohol dehydrogenatum, dehydrogenated alcohol) is an organic compound containing a functional group
Aldehyde
Group of enzymes
Aldehyde dehydrogenases (EC 1.2.1.3) are a group of enzymes that catalyse the oxidation of aldehydes. They convert aldehydes (R–C(=O)–H) to carboxylic
Aldehyde_dehydrogenase
Aldehyde-stabilized cryopreservation is a new technique for cryopreservation first demonstrated in 2016 by Robert L. McIntyre and Gregory Fahy at the cryobiology
Aldehyde-stabilized cryopreservation
Aldehyde-stabilized_cryopreservation
Organic chemical compound
or gas, boiling near room temperature. It is one of the most important aldehydes, occurring widely in nature and being produced on a large scale in industry
Acetaldehyde
Organic compound (H–CHO); simplest aldehyde
which consists mainly of the hydrate CH2(OH)2. It is the simplest of the aldehydes (R−CHO). Formaldehyde also occurs naturally. It is derived from the degradation
Formaldehyde
Enzyme
Aldehyde dehydrogenase, mitochondrial is an enzyme that in humans is encoded by the ALDH2 gene located on chromosome 12. ALDH2 belongs to the aldehyde
ALDH2
Chemical compound
Cyclamen aldehyde is an organic compound with the formula (CH3)2CHC6H4CH2CH(CH3)CHO. It is a chiral compound although it is most commonly used as the racemate
Cyclamen_aldehyde
Chemical reaction
The Bodroux–Chichibabin aldehyde synthesis is a chemical reaction whereby a Grignard reagent is converted to an aldehyde one carbon longer. Reaction of
Bodroux–Chichibabin aldehyde synthesis
Bodroux–Chichibabin_aldehyde_synthesis
Enzyme
Aldehyde oxidase (AO) is a metabolizing enzyme, located in the cytosolic compartment of tissues in many organisms. AO catalyzes the oxidation of aldehydes
Aldehyde_oxidase
Phenolic aldehydes are derivatives of phenol. Phenolic aldehydes can be found in wines and cognacs. Examples : Hydroxybenzaldehydes Dihydroxybenzaldehydes
Phenolic_aldehyde
Chemical compound
Salicylic aldehyde (2-hydroxybenzaldehyde) is an organic compound with the formula C6H4OH(CHO). Along with 3-hydroxybenzaldehyde and 4-hydroxybenzaldehyde
Salicylaldehyde
Chemical reaction
reaction in organic chemistry that combines two carbonyl compounds (e.g. aldehydes or ketones) to form a new β-hydroxy carbonyl compound. Its simplest form
Aldol_reaction
Chemical compound CH3(CH2)2CHO
an organic compound with the formula CH3(CH2)2CHO. This compound is the aldehyde derivative of butane. It is a colorless flammable liquid with an unpleasant
Butyraldehyde
Chemical compound
styraciflua), coniferyl aldehyde is a precursor to sinapaldehyde via hydroxylation mediated by coniferyl aldehyde 5-hydroxylase. Coniferyl aldehyde is reduced to
Coniferyl_aldehyde
Chemical compound
betaine aldehyde, often simply called betaine aldehyde, is an intermediate in the metabolism of glycine, serine and threonine. The human aldehyde dehydrogenase
Glycine_betaine_aldehyde
Sugars that contain free OH group at the anomeric carbon atom
a reducing agent. In an alkaline solution, a reducing sugar forms some aldehyde or ketone, which allows it to act as a reducing agent, for example in Benedict's
Reducing_sugar
Topics referred to by the same term
Aldehyde dehydrogenases are a group of enzymes that catalyse the oxidation of aldehydes. Aldehyde dehydrogenase may also refer to: Aldehyde dehydrogenase
Aldehyde dehydrogenase (disambiguation)
Aldehyde_dehydrogenase_(disambiguation)
Chemical reaction
The Bouveault aldehyde synthesis (also known as the Bouveault reaction) is a one-pot substitution reaction that replaces an alkyl or aryl halide with a
Bouveault_aldehyde_synthesis
Type of chemical reaction
condensation reaction in organic chemistry in which two carbonyl moieties (of aldehydes or ketones) react to form a β-hydroxyaldehyde or β-hydroxyketone (an aldol
Aldol_condensation
Organic chemical reaction
the base-induced disproportionation of two molecules of a non-enolizable aldehyde to give a primary alcohol and a carboxylic acid. Cannizzaro first accomplished
Cannizzaro_reaction
Enzyme
enzymology, betaine-aldehyde dehydrogenase (EC 1.2.1.8) is an enzyme that catalyzes the chemical reaction glycine betaine aldehyde + NAD+ H2O 2 H+
Betaine-aldehyde dehydrogenase
Betaine-aldehyde_dehydrogenase
Effect of alcohol consumption on the human body
byproduct of the catabolic metabolism of alcohol, and is caused by an aldehyde dehydrogenase 2 deficiency. This syndrome has been associated with lower
Alcohol_flush_reaction
Chemical reaction
of oxidation reactions in organic chemistry that convert alcohols to aldehydes, ketones, carboxylic acids, and esters. The reaction mainly applies to
Alcohol_oxidation
In enzymology, an aldehyde dehydrogenase (NAD+) (EC 1.2.1.3) is an enzyme that catalyzes the chemical reaction an aldehyde + NAD+ + H2O ⇌ {\displaystyle
Aldehyde_dehydrogenase_(NAD+)
Chemical reaction
Stephen aldehyde synthesis, a named reaction in chemistry, was invented by Henry Stephen (OBE/MBE). This reaction involves the preparation of aldehydes (R-CHO)
Stephen_aldehyde_synthesis
Organic compound with the structure >C(O–)2
rather than hydrogen) rather than aldehydes and, historically, the term acetal was used specifically for the aldehyde-related cases (having at least one
Acetal
Chemical compound
Ethyl methylphenylglycidate, commonly known as strawberry aldehyde, is an organic compound used in the flavor industry in artificial fruit flavors, particularly
Ethyl_methylphenylglycidate
Organic chemistry named reaction
and is a relatively general chemical test for detection of many organic aldehydes that has also found use in the staining of biological tissues. The Schiff
Schiff_test
Enzyme family
Aldehyde deformylating oxygenases (ADO) (EC 4.1.99.5) are a family of enzymes which catalyze the oxygenation of medium and long chain aldehydes to alkanes
Aldehyde deformylating oxygenase
Aldehyde_deformylating_oxygenase
In enzymology, aryl-aldehyde oxidase (EC 1.2.3.9) is an enzyme that catalyzes the chemical reaction benzaldehyde + H2O O2 H2O2 O2 H2O2 benzoic acid
Aryl-aldehyde_oxidase
Class of enzymes
In enzymology, abscisic-aldehyde oxidase (EC 1.2.3.14) is an enzyme that catalyzes the chemical reaction abscisic aldehyde + H2O O2 H2O2 O2 H2O2
Abscisic-aldehyde_oxidase
Chemical compound
The so-called Wieland-Gumlich aldehyde (6) is an indoline derived by chemical degradation from strychnine. This compound is of some commercial interest
Wieland-Gumlich_aldehyde
Chemical compound
is the organic compound with the formula CH3CH2CHO. It is the 3-carbon aldehyde. It is a colourless, flammable liquid with a pungent and fruity odour.
Propionaldehyde
Class of chemical compounds
Reactive aldehyde species (RASP), also known as reactive aldehydes, refer to a class of electrophilic organic aldehyde molecules that are generally toxic
Reactive_aldehyde_species
Chemical compound
Octanal is the organic compound, an aldehyde, with the chemical formula CH3(CH2)6CHO. A colorless fragrant liquid with a fruit-like odor, it occurs naturally
Octanal
Protein-coding gene in the species Homo sapiens
Aldehyde dehydrogenase, dimeric NADP-preferring is an enzyme that in humans is encoded by the ALDH3A1 gene. Aldehyde dehydrogenases oxidize various aldehydes
Aldehyde dehydrogenase 3 family, member A1
Aldehyde_dehydrogenase_3_family,_member_A1
Protein-coding gene in the species Homo sapiens
Aldehyde oxidase 1 is an enzyme that in humans is encoded by the AOX1 gene. Aldehyde oxidase produces hydrogen peroxide and, under certain conditions,
Aldehyde_oxidase_1
Chemical compound
with the molecular formula C8H8O3. It is a phenolic aldehyde. Its functional groups include aldehyde, hydroxyl, and ether. It is the primary component of
Vanillin
Medical condition
Alcohol intolerance is due to a genetic polymorphism of the aldehyde dehydrogenase enzyme, which is responsible for the metabolism of acetaldehyde (produced
Alcohol_intolerance
Chemical compound
β-resorcylaldehyde is a phenolic aldehyde, a chemical compound with the formula C7H6O3. It is an isomer of protocatechuic aldehyde (3,4-dihydroxybenzaldehyde)
2,4-Dihydroxybenzaldehyde
Chemical compound
Abscisic aldehyde is an intermediate in the biosynthesis of the plant hormone abscisic acid. It is produced by the dehydrogenation of xanthoxin by xanthoxin
Abscisic_aldehyde
Chemical compound
compound, more specifically an aldehyde. Shown in the infobox image is a line-angle representation of this organic aldehyde, whose systematic name, 2,2-dimethylpropanal
Pivaldehyde
Chemical compound
include 3-Phenyl-2-propenal, Cinnamic aldehyde, trans-Cinnamaldehyde, Cinnamal, Cinnamyl aldehyde, Cassia aldehyde, 3-Phenylacrolein, and β-Phenylacrolein
Cinnamaldehyde
Protein family
In enzymology, an aldehyde ferredoxin oxidoreductase (EC 1.2.7.5) is an enzyme that catalyzes the chemical reaction an aldehyde + H2O + 2 oxidized ferredoxin
Aldehyde ferredoxin oxidoreductase
Aldehyde_ferredoxin_oxidoreductase
Chemical compound
It can be obtained by reduction of glucose, which changes the converted aldehyde group (−CHO) to a primary alcohol group (−CH2OH). Most sorbitol is made
Sorbitol
Enzyme
enzymology, coniferyl-aldehyde dehydrogenase (EC 1.2.1.68) is an enzyme that catalyzes the chemical reaction {E)-coniferyl aldehyde + NAD+ H2O H+ H2O
Coniferyl-aldehyde dehydrogenase
Coniferyl-aldehyde_dehydrogenase
Chemical compound
aldehyde dehydrogenase X (mitochondrial), amine oxidase B, amiloride-sensitive amine oxidase, aldehyde dehydrogenase (mitochondrial), fatty aldehyde dehydrogenase
Indole-3-acetaldehyde
Chemical coupling reaction
of an aldehyde or ketone with a triphenyl phosphonium ylide called a Wittig reagent. Wittig reactions are most commonly used to convert aldehydes and ketones
Wittig_reaction
Organic reaction between a silyl enol ether and an aldehyde or formate
aldol reaction between an aldehyde and a ketone (>C=O), or a different aldehyde without self-condensation of the aldehyde. For this reason the reaction
Mukaiyama_aldol_addition
Chemical reaction involving organic compounds
reaction is an organic reaction consisting of an electrophilic addition of an aldehyde or ketone to an alkene or alkyne followed by capture of a nucleophile or
Prins_reaction
Protein-coding gene in the species Homo sapiens
Fatty aldehyde dehydrogenase (or long-chain-aldehyde dehydrogenase) is an aldehyde dehydrogenase enzyme that in human is encoded in the ALDH3A2 gene on
Long-chain-aldehyde dehydrogenase
Long-chain-aldehyde_dehydrogenase
Organic reduction of any carbonyl group by a reducing agent
It is a common transformation that is practiced in many ways. Ketones, aldehydes, carboxylic acids, esters, amides, and acid halides - some of the most
Carbonyl_reduction
Chemical compound
fragrances and flavors. The molecule is structurally related to other aromatic aldehydes such as benzaldehyde and vanillin. The methylenedioxyphenyl group is found
Piperonal
Chemical compound
methyl ether) using manganese dioxide to convert a methyl group to the aldehyde group. It can also be produced by oxidation of anethole, a related fragrance
4-Anisaldehyde
Chemical compound
benzene ring with a formyl substituent. It is among the simplest aromatic aldehydes and one of the most industrially useful. It is a colorless liquid with
Benzaldehyde
Chemical compound (C7H14O)
Heptanal or heptanaldehyde is an alkyl aldehyde. It is a colourless liquid with a strong fruity odor, which is used as precursor to components in perfumes
Heptanal
Chemical reaction
hydrogenation process in which an acyl chloride is selectively reduced to an aldehyde. The reaction was named after Karl Wilhelm Rosenmund, who first reported
Rosenmund_reduction
Chemical compound
Acrolein (systematic name: propenal) is the simplest unsaturated aldehyde. It is a colorless liquid with a foul and acrid aroma. The smell of burnt fat
Acrolein
Zincke aldehydes, or 5-aminopenta-2,4-dienals, are the product of the reaction of a pyridinium salt with two equivalents of any secondary amine, followed
Zincke_aldehyde
Type of chemical reaction
The Grundmann aldehyde synthesis is a chemical reaction that produces an aldehyde from an acyl halide. Because of the Rosenmund reduction and DIBAL-H
Grundmann_aldehyde_synthesis
Chemical compound
3,4-Dihydroxybenzaldehyde, also known as protocatechuic aldehyde, is a phenolic aldehyde, a compound released from cork stoppers into wine. It is an isomer
3,4-Dihydroxybenzaldehyde
An aldehyde tag is a short peptide tag that can be further modified to add fluorophores, glycans, PEG (polyethylene glycol) chains, or reactive groups
Aldehyde_tag
Tropane alkaloid
classified as Cyp80F1 oxidizes and rearranges littorine to hyoscyamine aldehyde. A plant extract used "for catching fish, in ceremony to connect with the
Hyoscyamine
Mammalian protein found in Homo sapiens
Alcohol dehydrogenase [NADP+] also known as aldehyde reductase or aldo-keto reductase family 1 member A1 is an enzyme that in humans is encoded by the
Aldo-keto reductase family 1, member A1
Aldo-keto_reductase_family_1,_member_A1
In enzymology, an aldehyde dehydrogenase [NAD(P)+] (EC 1.2.1.5) is an enzyme that catalyzes the chemical reaction an aldehyde + NAD(P)+ + H2O ⇌ {\displaystyle
Aldehyde dehydrogenase (NAD(P)+)
Aldehyde_dehydrogenase_(NAD(P)+)
Chemical compound
Caffeic aldehyde is a phenolic aldehyde contained in the seeds of Phytolacca americana (American pokeweed). It is present in various parts of a large
Caffeic_aldehyde
Chemical compound containing two hydroxyl (–OH) groups
oligomeric derivatives. This reaction applies to glyoxal and related aldehydes. In a vicinal diol, the two hydroxyl groups occupy vicinal positions,
Diol
Reaction in organic chemistry
involves the amino alkylation of the α-position of a ketone or aldehyde with an aldehyde and a nullary, primary, or secondary amine (−NH2). The final product
Mannich_reaction
Chemical reagent used to distinguish between aldehydes and ketones
used to distinguish between aldehydes and ketones along with some alpha-hydroxy ketones which can tautomerize into aldehydes. The reagent consists of a
Tollens'_reagent
Chemical reaction
the aldehyde-alkyne-amine reaction), coined by Prof. Chao-Jun Li of McGill University, is a type of multicomponent reaction involving an aldehyde, an
A3_coupling_reaction
Enzyme in the family of oxidoreductases
an aldehyde + acceptor + H2O ⇌ {\displaystyle \rightleftharpoons } a carboxylate + reduced acceptor The 3 substrates of this enzyme are aldehyde, acceptor
Carboxylate_reductase
Chemical compound
comes from combining glycerol and aldehyde, as glyceraldehyde is glycerol with one alcohol group oxidized to an aldehyde. Glyceraldehyde has one chiral center
Glyceraldehyde
enzymology, an aryl-aldehyde dehydrogenase (EC 1.2.1.29) is an enzyme that catalyzes the chemical reaction an aromatic aldehyde + NAD+ + H2O ⇌ {\displaystyle
Aryl-aldehyde_dehydrogenase
Chemical compound
(Z)-3-hexenal and leaf aldehyde, is an organic compound with the formula CH3CH2CH=CHCH2CHO. It is classified as an unsaturated aldehyde. It is a colorless
Cis-3-Hexenal
Organic reduction
In nitrile reduction a nitrile is reduced to either an amine or an aldehyde with a suitable chemical reagent. The catalytic hydrogenation of nitriles is
Nitrile_reduction
Fatty aldehydes are aliphatic, long-chain aldehydes which may be mono- or polyunsaturated. The fatty aldehydes include compounds such as octanal, nonanal
Fatty_aldehyde
Chemical compound responsible for jasmine's scent
Jasminaldehyde (also known as jasmine aldehyde and α-pentylcinnamaldehyde) is a fine chemical used as an aroma compound in perfumes. It is responsible
Jasminaldehyde
Chemical compound
combined with alcohol, it causes "Coprinus syndrome". It inhibits the enzyme aldehyde dehydrogenase, which is involved in the metabolism of alcohol. This inhibition
Coprine
Formylation reaction used in organic chemistry
that it is able to attach multiple aldehyde groups. Other formylation reactions struggle to achieve this, as aldehydes are strongly deactivating. The reaction
Duff_reaction
Naturally produced monosaccharide
active. Glucose is a monosaccharide containing six carbon atoms and an aldehyde group, and is therefore an aldohexose. The glucose molecule can exist in
Glucose
Enzyme in the family of oxidoreductases
In enzymology, an aldehyde dehydrogenase (FAD-independent) (EC 1.2.99.7) is an enzyme that catalyzes the chemical reaction an aldehyde + H2O + acceptor
Aldehyde dehydrogenase (FAD-independent)
Aldehyde_dehydrogenase_(FAD-independent)
Chemical reaction
synthesis is a chemical synthesis of an oxazole from a cyanohydrin and an aldehyde in the presence of anhydrous hydrochloric acid. This method was discovered
Fischer_oxazole_synthesis
Reaction between two aromatic aldehydes
is an addition reaction involving two aldehydes (−CH=O). The reaction generally occurs between aromatic aldehydes or glyoxals (OCH=CHO), and results in
Benzoin_condensation
Class of organic compounds
compounds with the structure R1R2C=N−NH2. They are related to ketones and aldehydes by the replacement of the oxygen =O with the =N−NH2 functional group.
Hydrazone
Organic compound (C4H9CHO)
organic compound with molecular formula C4H9CHO. Classified as an alkyl aldehyde, it is a colorless volatile liquid. Its odor is described as fermented
Pentanal
Organic redox reaction of aldehydes
The Pinnick oxidation is an organic reaction by which aldehydes can be oxidized into their corresponding carboxylic acids using sodium chlorite (NaClO2)
Pinnick_oxidation
Chemical compound
It is one of three isomers of benzene dicarboxaldehyde, in which the aldehyde moieties are positioned in the para conformation on the benzene ring. Terephthalaldehyde
Terephthalaldehyde
Enzyme
In enzymology, aldose reductase (or aldehyde reductase) (EC 1.1.1.21) is an enzyme in humans encoded by the gene AKR1B1. It is an cytosolic NADPH-dependent
Aldose_reductase
Organic compound containing a –C(=O)OH group
starting from methanol. Oxidation of aldehydes with air using cobalt and manganese catalysts. The required aldehydes can be obtained from alkenes by hydroformylation
Carboxylic_acid
Disproportionation reaction of aldehydes
is an organic chemical reaction that involves disproportionation of an aldehyde in the presence of an alkoxide. The reaction is named after Russian organic
Tishchenko_reaction
Chemical compound
several isomers, all are colorless oil. The nonanals are classified as aldehydes. The linear nonanal is produced commercially by the hydroformylation of
Nonanal
Addition reaction used to form C–C bonds
chemistry, as the inherent polarity of the aldehyde is reversed by the addition of the catalyst to the aldehyde, rendering the carbon center nucleophilic
Stetter_reaction
enzymology, an aldehyde dehydrogenase (pyrroloquinoline-quinone) (EC 1.2.99.3) is an enzyme that catalyzes the chemical reaction an aldehyde + acceptor +
Aldehyde dehydrogenase (pyrroloquinoline-quinone)
Aldehyde_dehydrogenase_(pyrroloquinoline-quinone)
Chemical compound
Perillaldehyde, perillic aldehyde or perilla aldehyde, is a natural organic compound found most abundantly in the annual herb perilla, but also in a wide
Perillaldehyde
Chemical compound
unsaturated derivative of nonanal. The molecule consists of a α,β-unsaturated aldehyde with an isolated alkene group. The compound has attracted attention as
Trans,cis-2,6-Nonadienal
Chemical reaction
nitrile. It was first described in 1977 by Van Leusen and co-workers. When aldehydes are employed, the Van Leusen reaction is particularly useful to form oxazoles
Van_Leusen_reaction
Chemical compound
Isovanillin is a phenolic aldehyde, an organic compound and isomer of vanillin. It is a selective inhibitor of aldehyde oxidase. It is not a substrate
Isovanillin
Chemical compound (CH2)3(CHO)2
products, several of which interconvert. Because the molecule has two aldehyde functional groups, glutaraldehyde (and its hydrates) can crosslink substances
Glutaraldehyde
Chemical compound
many functional groups, it can be classified in many ways - aromatic, aldehyde, phenol. It is a colorless solid (impure samples appear yellowish) that
Syringaldehyde
Reaction sequence in organic chemistry
acid to give the alkylated ketone or aldehyde. Since enamines are generally produced from ketones or aldehydes, this overall process (known as the Stork
Stork_enamine_alkylation
ALDEHYDE
ALDEHYDE
ALDEHYDE
ALDEHYDE
Boy/Male
Indian, Sanskrit
Royal; The Unsuccessful Transcendentalist
Boy/Male
French American English
Keeper of grain. Surname.
Boy/Male
Welsh
Welsh surname.
Girl/Female
English American
or Agnes.
Girl/Female
Greek Spanish
Kind.
Boy/Male
Tamil
A name of Lord Krishna
Girl/Female
Indian
Wishing
Girl/Female
Tamil
Fragrant
Girl/Female
Indian, Punjabi, Sikh
The Foremost God
Girl/Female
Hindu, Indian, Tamil, Traditional
One with Eyes Like Deer; Goddess Laxmi
ALDEHYDE
ALDEHYDE
ALDEHYDE
ALDEHYDE
ALDEHYDE
n.
A base, C10H19N, produced by heating valeric aldehyde with ammonia. It is probably related to the conine alkaloids.
n.
A polymeric modification of aldehyde obtained as a white crystalline substance.
a.
Of, pertaining to, or designating, an acid, C4H7N3O2, obtained, by the action of the vapor of cyanic acid on cold aldehyde, as a white crystalline substance having a slightly acid taste and faint smell; -- called also ethidene- / ethylidene-biuret.
v. t.
To cause polymerization of; to produce polymers from; to increase the molecular weight of, without changing the atomic proportions; thus, certain acids polymerize aldehyde.
n.
One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.
n.
A white crystalline substance isomeric with, and obtained from, acetic aldehyde by polymerization, and reconvertible into the same.
n.
A base resembling and isomeric with conine, and obtained as a colorless liquid from butyric aldehyde and ammonia.
n.
Any one of a series of compounds of mercaptans with aldehydes.
a.
Pertaining to, or derived from, vanilla or vanillin; resembling vanillin; specifically, designating an alcohol and an acid respectively, vanillin being the intermediate aldehyde.
n.
A nitrogenous organic base obtained by the oxidation of amarine, and regarded as a derivative of benzoic aldehyde. It is obtained in long white crystalline tufts, -- whence its name.
a.
Pertaining to an acid first obtained from benzoic aldehyde (oil of better almonds), as a white crystalline substance; -- called also phenyl glycolic acid.
n.
A thin, fragrant, colorless oil, HO.C6H4.CHO, found in the flowers of meadow sweet (Spiraea), and also obtained by oxidation of salicin, saligenin, etc. It reddens on exposure. Called also salicylol, salicylic aldehyde, and formerly salicylous, / spiroylous, acid.
a.
Capable of taking up, or of uniting with, certain other elements or compounds, without the elimination of any side product; thus, aldehyde, ethylene, and ammonia are unsaturated.
v. i.
To change into another substance having the same atomic proportions, but a higher molecular weight; to undergo polymerization; thus, aldehyde polymerizes in forming paraldehyde.
n.
A white crystalline aldehyde having a burning taste and characteristic odor of vanilla. It is extracted from vanilla pods, and is also obtained by the decomposition of coniferin, and by the oxidation of eugenol.
n.
An oily substance obtained by the distillation of castor oil, recognized as the aldehyde of oenanthylic acid, and hence called also oenanthaldehyde.
n.
The connection or relation of bodies which have partial identity of composition, but different characteristics and properties; the relation existing between derivatives of the same substance, or of the analogous members of different series; as, ethane, ethyl alcohol, acetic aldehyde, and acetic acid are in heterology with each other, though each in at the same time a member of a distinct homologous series. Cf. Homology.
n.
One of a large class of organic substances resembling the aldehydes, obtained by the distillation of certain salts of organic acids and consisting of carbonyl (CO) united with two hydrocarbon radicals. In general the ketones are colorless volatile liquids having a pungent ethereal odor.
n.
A colorless liquid of a slightly pungent odor, C9H6N.CH3, first obtained as a condensation product of aldehyde and aniline, and regarded as a derivative of quinoline; -- called also methyl quinoline.
n.
A white crystalline substance obtained by oxidation of piperic acid, and regarded as a complex aldehyde.