Chemicals and Drugs
AminesAmine Oxidase (Copper-Containing)Biogenic Amines
TertiaryAromatic and aliphatic aminesKetonesDerivativesAmidesAlcoholsAlkylPrimary amineCatalystArylChemAnilineAlkenesCompoundsHydrogenChiralReactReactionViscosityCarbonylPropylReactions2021SubstratesAminoSubstituentsMoietyAmmoniaCompoundReactivitySaltsNitrogen atomIntermediatesOccursMolecularStructureFormInexpensiveGroup
Tertiary3
Aromatic and aliphatic amines3
  • heterocyclic, aromatic, and aliphatic-amines adsorbed on anodized silver electrode. (nature.com)
  • The addition of 4 molecular sieves enables an efficient cobalt(II)-catalyzed N-alkylation of both aromatic and aliphatic amines with alcohols with high chemoselectivity (amines vs imines). (organic-chemistry.org)
  • Rate constants for the reaction of phosphate radical with some aromatic and aliphatic amines have been determined by the flash photolysis technique. (ias.ac.in)
Ketones3
  • Primary amines react with ketones such as acetone , and most amines are incompatible with chloroform and carbon tetrachloride. (newworldencyclopedia.org)
  • These introduced aldehydes and ketones can then be modified with fluorescent or biotinylated hydrazine, hydroxylamine or amine derivatives to label the polysaccharide or glycoprotein. (thermofisher.com)
  • All our IREDs catalyse reductive amination of ketones with small aliphatic amines. (matthey.com)
Derivatives4
  • Hydrogen bonding significantly influences the properties of primary and secondary amines as well as the protonated derivatives of all amines. (newworldencyclopedia.org)
  • The aldehyde thus formed from the protein can be subsequently modified with a variety of hydrazine, hydroxylamine or amine derivatives. (thermofisher.com)
  • A series of tridentate ligands consisting of mixed aromatic and aliphatic amine derivatives of single amino acid chelates and phenylpiperazine have been developed, and their reactions with [NEt 4 ] 2 [ReBr 3 (CO) 3 ] have been investigated. (syr.edu)
  • A selection of the IREDs are capable of accepting bulky aniline derivatives as the amine donor molecule in intermolecular reductive amination. (matthey.com)
Amides3
  • An important exception to this rule is that compounds of the type RC(O)NR 2 , where the C(O) refers to a carbonyl group, are called amides rather than amines. (newworldencyclopedia.org)
  • Amides and amines have different structures and properties, so the distinction is chemically important. (newworldencyclopedia.org)
  • Somewhat confusing is the fact that amines in which an N-H group has been replaced by an N-M group (M = metal) are also called amides. (newworldencyclopedia.org)
Alcohols12
  • Thus the boiling point of amines is higher than those for the corresponding phosphines, but generally lower than the corresponding alcohols . (newworldencyclopedia.org)
  • Alcohols, or alkanols, resemble amines but feature an -OH group in place of NR 2 . (newworldencyclopedia.org)
  • Many alkyl amines are produced industrially by the amination of alcohols using ammonia in the presence of solid acid catalysts. (wikipedia.org)
  • A highly active Mn(I) pincer catalyst enables an atom-economic and highly efficient N-alkylation of amines with alcohols utilizing the borrowing hydrogen methodology. (organic-chemistry.org)
  • A broad range of anilines and more challenging aliphatic amines were alkylated with primary and secondary alcohols. (organic-chemistry.org)
  • Well-defined Co(II) complexes stabilized by a PCP ligand catalyze efficient alkylations of aromatic amines by primary alcohols into mono- N -alkylated amines in very good yields. (organic-chemistry.org)
  • Commercially available [(PPh 3 ) 2 NiCl 2 ] is an efficient catalyst for the mono- N -alkylation of (hetero)aromatic amines, employing alcohols to deliver diverse secondary amines in excellent yields via the borrowing hydrogen strategy. (organic-chemistry.org)
  • Imines and secondary amines were synthesized selectively by a Pd-catalyzed one-pot reaction of benzyl alcohols with primary amines. (organic-chemistry.org)
  • The reactions did not require any additives and were effective for a wide range of alcohols and amines. (organic-chemistry.org)
  • A monobenzylation of aromatic amines with benzylic alcohols in good yields proceeds under MW conditions in the presence of SmI 2 as a catalyst with the generation of water as the sole byproduct. (organic-chemistry.org)
  • A protocol for the dehydrative amination of alcohols in water using a water-soluble calix[4]resorcinarene sulfonic acid as a reusable multifunctional catalyst allows an environmentally benign synthesis of benzylic and allylic amines. (organic-chemistry.org)
  • A catalytic amount of manganese dioxide and solvent-free conditions under air enabled a practical and efficient N -alkylation method for a variety of sulfonamides and amines using alcohols as green alkylating reagents. (organic-chemistry.org)
Alkyl7
  • Aliphatic Amines : The amines in which N-atom is directly attached to one or more alkyl groups are called aliphatic amines. (class12chemistry.com)
  • Arylalkyl Amines : The amines in which N-atom is attached directly with alkyl branch of aryl group are called arylalkyl amines. (class12chemistry.com)
  • If N-atom is attached to two same alkyl groups then is termed as simple amines. (class12chemistry.com)
  • Structurally amines resemble ammonia , wherein one or more hydrogen atoms are replaced by organic substituents such as alkyl and aryl groups. (newworldencyclopedia.org)
  • Several alkyl-substituted secondary benzylamines and some primary aromatic amines were dissolved in supercritical CO2 and investigated by employing on-line SFC-1H NMR spectroscopy. (mpg.de)
  • An efficient, metal and base-free, chemoselective reaction of boronic acids with cyanamidyl/arylcyanamidyl radicals provides primary aryl-, heteroaryl-, and alkyl amines at ambient temperature within 1 h. (organic-chemistry.org)
  • A Chan-Lam coupling reaction of benzylic and allylic boronic esters with primary and secondary anilines provides valuable alkyl amine products. (organic-chemistry.org)
Primary amine1
  • The use of 1,2-benzisoxazole as a practical electrophilic primary amine source enables a mild and general copper-hydride-catalyzed hydroamination of alkenes and alkynes to form primary amines. (organic-chemistry.org)
Catalyst1
  • Mono-, di-and trialkyl amines as axial bases modify the activity of the catalyst, dialkylamines conferring the maximum activity and trialkylamines the least. (ias.ac.in)
Aryl3
  • Activated on the surface of nanometre-sized TiO 2 , NO gas can easily react with aliphatic cyclic amines and aryl free radicals at RT under atmospheric pressure to offer NONOates and cupferron sodiums, respectively. (utmb.edu)
  • N2 - Activated on the surface of nanometre-sized TiO2, NO gas can easily react with aliphatic cyclic amines and aryl free radicals at RT under atmospheric pressure to offer NONOates and cupferron sodiums, respectively. (utmb.edu)
  • The analogous coupling of aniline with primary amines formed aryl-substituted secondary amines. (organic-chemistry.org)
Chem1
  • The global key manufacturers of Aliphatic Amine include Akzo Nobel (NL), Solvay (BE), Evonik (DE), Global Amines (SG), Lonza (CH), Kao Chem (JP), P&G Chem (US), Akema (FR) and Ecogreen Oleo (SG), etc. (24chemicalresearch.com)
Aniline1
  • The aromatic amines, such as aniline , have their lone pair electrons conjugated into the benzene ring, thus their tendency to engage in hydrogen bonding is diminished. (newworldencyclopedia.org)
Alkenes1
Compounds5
  • Amines are organic compounds and a type of functional group that contain nitrogen as the key atom. (newworldencyclopedia.org)
  • The inherent instability of imines, has hitherto precluded the recognition of these compounds as metabolites of primary amines. (elsevierpure.com)
  • Diazonium salts were first obtained from aromatic amines in 1858, and their utility in the preparation of azo compounds was soon recognized by the dye industry. (britannica.com)
  • By varying the chemical structures of the amines that are diazotized (the diazo components) and of the compounds with which they react (the coupling components), colours throughout the visible spectrum are imparted to dyes applicable to many types of fibres by several techniques. (britannica.com)
  • Compounds with a linear aliphatic amine linker demonstrated a superior property over those with a sulfonamide or an amide -like linker. (rsc.org)
Hydrogen2
  • As displayed in the images below, primary amines arise when one of three hydrogen atoms in ammonia is replaced by an organic substituent. (newworldencyclopedia.org)
  • Most aliphatic amines display some solubility in water, reflecting their ability to form hydrogen bonds. (newworldencyclopedia.org)
Chiral1
React1
  • In the recent years, it has repeatedly been stated that amines react with CO2 and can therefore not be chromatographed under supercritical conditions with CO2. (mpg.de)
Reaction8
  • One organic reaction involving aromatic amines is the Goldberg reaction. (newworldencyclopedia.org)
  • Amination can occur in a number of ways including reaction with ammonia or another amine such as an alkylation, reductive amination and the Mannich reaction. (wikipedia.org)
  • When the amine is used as an electrophile, the reaction is called electrophilic amination. (wikipedia.org)
  • periodate-oxidized ribonucleotides can subsequently be converted to fluorescent nucleic acid probes by reaction with fluorescent hydrazines, hydroxylamines and amines. (thermofisher.com)
  • The aim of the present work is to elucidate the structural requirements and conditions that can lead to the reaction of an amine analyte with CO2 and, if this occurs, the structure of the formed product. (mpg.de)
  • Aliphatic diisocyanates are produced by reaction of phosgene with either a shury of the carbamate salts obtained in the reaction of the aliphatic diamines with carbon dioxide, or with a slurry of the amine hydrochloride (Ulrich 1989). (cdc.gov)
  • HDI) is produced by the reaction of phosgene with the amine salt (Chadwick and Cleveland 1981). (cdc.gov)
  • The trimeric HDI biuret (HDI-BT), which has a low monomer content and is widely used in the formulation of exceptionally high quality polymer coatings, is produced by controlled reaction of HDI with water, a water generator, or an amine (Chadwick and Cleveland 1981). (cdc.gov)
Viscosity4
  • Zepoxy REH 180 is a low viscosity aliphatic amine hardener suitable to cure at ambient temperature. (ressichem.com)
  • Zepoxy REH 2958 is a low viscosity aliphatic amine hardener suitable to cure at low temperatures and can also be used as an accelerator for normal temperature curing epoxy systems. (ressichem.com)
  • Zepoxy REH 215 is a low viscosity aliphatic amine hardener with a long pot life and low exotherm suitable for use at high working temperatures. (ressichem.com)
  • A comprehensive range of 7 aliphatic amine curing agents with varying pot life and viscosity recommended for composites, adhesives, construction and coating applications. (atul.co.in)
Carbonyl1
  • In the case of an aromatic amine the major product is the azo compound while in the case of an aliphatic amine a carbonyl compound is formed. (ias.ac.in)
Propyl1
  • And for propyl amine, $\ce{R~=~(CH2)2CH3}$, we can observe it analogously, with decreasing magnitude of the dipole moment. (stackexchange.com)
Reactions3
  • Although aliphatic amines have been detected in both urban and rural atmospheric aerosols, little is known about the chemistry leading to particle formation or the potential aerosol yields from reactions of gas-phase amines. (copernicus.org)
  • We present here the first systematic study of aerosol formation from the atmospheric reactions of amines. (copernicus.org)
  • Entropies of formation for alkylammonium nitrate salts are estimated by molecular dynamics calculations enabling us to estimate equilibrium constants for the reactions of amines with nitric acid. (copernicus.org)
20212
  • The global Aliphatic Amine market was valued at million in 2021 and is projected to reach US$ million by 2028, at a CAGR of % during the forecast period. (24chemicalresearch.com)
  • This review covers the methods published to April 2021 for silicon reagent mediated direct amidation of a carboxylic acid with an amine. (imperial.ac.uk)
Substrates1
  • This sense of reactivity may be reversed for some electron-deficient amines, including oxaziridines, hydroxylamines, oximes, and other N-O substrates. (wikipedia.org)
Amino1
Substituents2
  • The aromatic ring strongly decreases the basicity of the amine, depending on its substituents. (newworldencyclopedia.org)
  • It was found that the condition of carbamic acid formation depends on the steric properties of the substituents of the amine. (mpg.de)
Moiety1
  • Aromatic amine moiety as a side group was introduced into main core structure in order to prevent intermolecular interaction and improve hole mobility [ 12 ]. (springer.com)
Ammonia1
Compound1
  • Usually, the amine reacts as the nucleophile with another organic compound acting as the electrophile. (wikipedia.org)
Reactivity1
  • Interestingly, the presence of an amine group strongly increases the reactivity of the aromatic ring, due to an electron-donating effect. (newworldencyclopedia.org)
Salts1
  • All amines studied form aerosol when photooxidized in the presence of NO x with the majority of the aerosol mass present at the peak of aerosol growth consisting of aminium (R 3 NH + ) nitrate salts, which repartition back to the gas phase as the parent amine is consumed. (copernicus.org)
Nitrogen atom2
  • Aromatic amines have the nitrogen atom connected to an aromatic ring as in anilines . (newworldencyclopedia.org)
  • Back-strain on nitrogen atom and solvation energy of the amines are responsible for their different behaviours. (ias.ac.in)
Intermediates1
  • The possible role of hydroxylamine and imine intermediates in the metabolism of amphetamine and related primary amines is discussed. (elsevierpure.com)
Occurs1
  • and hydroxylamines usually does not inactivate the antibody, as sometimes occurs with amine-reactive labeling. (thermofisher.com)
Molecular2
  • high molecular weight amines are, of course, solids. (newworldencyclopedia.org)
  • Triarylsilanols are reported as the first silicon-centred molecular catalysts for direct amidation of carboxylic acids with amines as identified after a screen of silanols, silanediols, disiloxanediols and incompletely condensed silsesquioxanes as potential homogeneous catalysts. (imperial.ac.uk)
Structure1
Form1
  • A catalytic system generated in situ from a tetranuclear Ru-H complex with a catechol ligand enables a direct deaminative coupling of two primary amines to form secondary amines. (organic-chemistry.org)
Inexpensive1
  • Methyltrimethoxysilane [MTM, CH3Si(OMe)3] has been demonstrated to be an effective, inexpensive, and safe reagent for the direct amidation of carboxylic acids with amines. (imperial.ac.uk)
Group1
  • Amination is the process by which an amine group is introduced into an organic molecule. (wikipedia.org)