|
1,3-Diaminopropane
1,3-Diaminopropane, also known as , is a simple diamine with the formula H2N(CH2)3NH2. A colourless liquid with a fishy odor, it is soluble in water and many polar organic solvents. It is isomeric with 1,2-diaminopropane. Both are building blocks in the synthesis of heterocycles, such as those used in textile finishing, and coordination complexes. It is prepared by the amination of acrylonitrile followed by hydrogenation of the resulting aminopropionitrile Aminopropionitrile, also known as β-aminopropionitrile (BAPN), is an organic compound with both amine and nitrile functional groups. It is a colourless liquid. The compound occurs naturally and is of interest in the biomedical community. Bioche ....Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005. The potassium salt was used in the alkyne zipper reaction. Known uses of 1,3-diaminopropane are in the synthesis of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ethylamine
Ethylamine, also known as ethanamine, is an organic compound with the formula CH3CH2NH2. This colourless gas has a strong ammonia-like odor. It condenses just below room temperature to a liquid miscible with virtually all solvents. It is a nucleophilic base, as is typical for amines. Ethylamine is widely used in chemical industry and organic synthesis. Synthesis Ethylamine is produced on a large scale by two processes. Most commonly ethanol and ammonia are combined in the presence of an oxide catalyst: :CH3CH2OH + NH3 → CH3CH2NH2 + H2O In this reaction, ethylamine is coproduced together with diethylamine and triethylamine. In aggregate, approximately 80M kilograms/year of these three amines are produced industrially.Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke, "Amines, Aliphatic" Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005. It is also produced by reductive amination of acetaldehyde. :CH3CHO + NH3 + H2 → CH3CH2N ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Propylamine
Propylamine, also known as ''n''-propylamine, is an amine with the chemical formula CH3(CH2)2NH2. It is a colorless volatile liquid.Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in ''Ullmann's Encyclopedia of Industrial Chemistry'', Wiley-VCH, Weinheim, 2005. Propylamine is a weak base. Its Kb (base dissociation constant) is 4.7 × 10−4. Preparation Propyl amine hydrochloride can be prepared by reacting 1-propanol with ammonium chloride at high temperature and pressure using a Lewis acid catalyst such as ferric chloride Iron(III) chloride is the inorganic compound with the formula . Also called ferric chloride, it is a common compound of iron in the +3 oxidation state. The anhydrous compound is a crystalline solid with a melting point of 307.6 °C. The col .... References {{Reflist External links International Chemical Safety Card Alkylamines ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isopropylamine
Isopropylamine (monoisopropyl amine, MIPA, 2-Propylamine) is an organic compound, an amine. It is a hygroscopic colorless liquid with ammonia-like odor. It is miscible with water and flammable. It is a valuable intermediate in chemical industry.Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in ''Ullmann's Encyclopedia of Industrial Chemistry'', Wiley-VCH, Weinheim, 2005. Reactions Isopropylamine exhibits reactions typical of other simple alkyl amines, i.e. protonation, alkylation, acylation, condensation with carbonyls. Like other simple aliphatic amines, isopropylamine is a weak base: the pKa of CH3)2)CHNH3sup>+ is 10.63. Preparation and use Isopropylamine can be obtained by reaction of isopropyl alcohol with ammonia in presence of a catalyst: :(CH3)2CHOH + NH3 → (CH3)2CHNH2 + H2O Isopropylamine is a building block for the preparation of many herbicides and pesticides including atrazine, bentazon, glyphosate, imazapyr, ametryne, desmet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isobutylamine
Isobutylamine is an organic chemical compound (specifically, an amine) with the formula (CH3)2CHCH2NH2, and occurs as a colorless liquid. Chemblink.com Isobutylamine is one of the four isomeric amines of , the others being ''n''-butylamine, ''sec''-butylamine and ''tert''-butylamine. It is the decarboxylated form of the |
Tert-Butylamine
''tert''-Butylamine is an organic chemical compound with the formula (CH3)3CNH2. It is a colorless liquid with a typical amine-like odor. ''tert''-Butylamine is one of the four isomeric amines of butane, the others being ''n''-butylamine, ''sec''-butylamine and isobutylamine. Preparation ''tert''-Butylamine is produced commercially by direct amination of isobutylene using zeolite catalysts: :NH3 + CH2=C(CH3)2 → H2NC(CH3)3 The Ritter reaction of isobutene with hydrogen cyanide is not useful because it produces too much waste. :(CH3)2C=CH2 + HCN + H2O → (CH3)3CNHCHO :(CH3)3CNHCHO + H2O → (CH3)3CNH2 + HCO2H In the laboratory, it can be prepared by the hydrogenolysis of 2,2-dimethylethylenimine, or via ''tert''-butylphthalimide. Uses ''tert''-Butylamine is used as an intermediate in the preparation of the sulfenamides such as ''N''-''tert''-butyl-2-benzothiazylsulfenamide and ''N''-''tert''-butyl-2-benzothiazylsulfenimide. As rubber accelerators, thes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
N-Butylamine
''n''-Butylamine is an organic compound (specifically, an amine) with the formula CH3(CH2)3NH2. This colourless liquid is one of the four isomeric amines of butane, the others being ''sec''-butylamine, ''tert''-butylamine, and isobutylamine. It is a liquid having the fishy, ammonia-like odor common to amines. The liquid acquires a yellow color upon storage in air. It is soluble in all organic solvents. Vapors heavier than air and it produces toxic oxides of nitrogen during combustion. Synthesis and reactions It is produced by the reaction of ammonia and alcohols over alumina: :CH3(CH2)3OH + NH3 → CH3(CH2)3NH2 + H2O ''n''-Butylamine is a weak base. The pKa of H3(CH2)3NH3sup>+ is 10.78. ''n''-Butylamine exhibits reactions typical of other simple alkyl amines, i.e., alkylation, acylation, condensation with carbonyls. It forms complexes with metal ions, examples being ''cis''- and ''trans''- tI2(NH2Bu)2 Uses This compound is used as an ingredient in the manufacture o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Putrescine
Putrescine is an organic compound with the formula (CH2)4(NH2)2. It is a colorless solid that melts near room temperature. It is classified as a diamine. Together with cadaverine, it is largely responsible for the foul odor of putrefying flesh, but also contributes to other unpleasant odors. Production Putrescine is produced on an industrial scale by the hydrogenation of succinonitrile. Biotechnological production of putrescine from renewable feedstock has been investigated. A metabolically engineered strain of ''Escherichia coli'' that produces putrescine at high concentrations in glucose mineral salts medium has been described. Biochemistry Spermidine synthase uses putrescine and ''S''-adenosylmethioninamine (decarboxylated ''S''-adenosyl methionine) to produce spermidine. Spermidine in turn is combined with another ''S''-adenosylmethioninamine and gets converted to spermine. Putrescine is synthesized in small quantities by healthy living cells by the action of ornithine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2-Methyl-2-nitrosopropane
2-Methyl-2-nitrosopropane (MNP or t-nitrosobutane) is the organic compound with the formula (CH3)3CNO. It is a blue liquid that is used in chemical research as a spin trap, i.e. it binds to radicals. Preparation and structure ''t''-BuNO is prepared by the following sequence: :(CH3)3CNH2 → (CH3)3CNO2 :(CH3)3CNO2 → (CH3)3CNHOH :(CH3)3CNHOH → (CH3)3CNO The freshly distilled compound is a blue volatile liquid. Like other nitroso compounds, it features a bent C-N=O linkage. Upon standing at room temperature, the blue liquid converts to the colourless solid that is the dimer (m.p. 74-75 °C). In solution, this dimer quickly reverts to the blue monomer. Reactions It can be used as a spin trap. This molecule traps unstable free radicals to form stable paramagnetic nitroxide radicals that can be detected and analyzed by electron spin resonance spectroscopy. It is particularly useful for trapping carbon-centered tyrosyl radicals. It has also been used in organic chemistry as el ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ethylenediamine
Ethylenediamine (abbreviated as en when a ligand) is the organic compound with the formula C2H4(NH2)2. This colorless liquid with an ammonia-like odor is a basic amine. It is a widely used building block in chemical synthesis, with approximately 500,000 tonnes produced in 1998.Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag, Weinheim. Ethylenediamine is the first member of the so-called polyethylene amines. Synthesis Ethylenediamine is produced industrially by treating 1,2-dichloroethane with ammonia under pressure at 180 °C in an aqueous medium:Hans-Jürgen Arpe, Industrielle Organische Chemie, 6. Auflage (2007), Seite 245, Wiley VCH : In this reaction hydrogen chloride is generated, which forms a salt with the amine. The amine is liberated by addition of sodium hydroxide and can then be recovered by . Diethylenetriamine (DETA) and triethylenetetramine (TETA) a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acrylonitrile
Acrylonitrile is an organic compound with the formula and the structure . It is a colorless, volatile liquid although commercial samples can be yellow due to impurities. It has a pungent odor of garlic or onions. In terms of its molecular structure, it consists of a vinyl group () linked to a nitrile (). It is an important monomer for the manufacture of useful plastics such as polyacrylonitrile. It is reactive and toxic at low doses. Acrylonitrile was first synthesized by the French chemist Charles Moureu (1863–1929) in 1893. Occurrence Acrylonitrile is not naturally formed on Earth. It has been detected at the sub-ppm level at industrial sites. It persists in the air for up to a week. It decomposes by reacting with oxygen and hydroxyl radical to form formyl cyanide and formaldehyde. Acrylonitrile is harmful to aquatic life. Acrylonitrile has been detected in the atmosphere of Titan, a moon of Saturn. Computer simulations suggest that on Titan conditions exist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Losoxantrone
Losoxantrone (biantrazole) is an anthroquinone anthrapyrazole antineoplastic agent and analog of mitoxantrone. It is also sometimes known as DuP 941. See also *Mitoxantrone Mitoxantrone (INN, BAN, USAN; also known as Mitozantrone in Australia; trade name Novantrone) is an anthracenedione antineoplastic agent. Uses Mitoxantrone is used to treat certain types of cancer, mostly acute myeloid leukemia. It improves the ... * Piroxantrone References {{Chemotherapeutic agents Antineoplastic drugs Topoisomerase inhibitors Amines Primary alcohols Nitrogen heterocycles Heterocyclic compounds with 4 rings Hydroxyarenes Ethanolamines Tetracyclic compounds Triolena ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
