Hexamethylphosphoramide, often abbreviated HMPA, is a phosphoramide (an amide of phosphoric acid) with the formula [(CH3)2N]3PO. This colorless liquid...
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showed that it is possible to replace the suspected carcinogen hexamethylphosphoramide (HMPA) with DMPU. Nomenclature of Organic Chemistry : IUPAC Recommendations...
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C4H8O2 77.11°C 6.02 0.902 g/cm3 1.88 reacts with strong bases hexamethylphosphoramide [(CH3)2N]3PO 232.5 °C 29.6 1.03 g/cm3 5.38 high boiling point,...
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dimethylformamide, dimethylacetamide, N-methyl-2-pyrrolidone, and hexamethylphosphoramide (HMPA). DMSO is frequently used as a solvent for chemical reactions...
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DuPont (Fibre B) as Dupont initially used the carcinogenic HMPT (hexamethylphosphoramide). Despite heavy research DuPont now also applies the AKZO patent...
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affect the reactivity of the reagent. For example, DMF, DMSO, hexamethylphosphoramide (HMPA), and 18-crown-6 interact with the potassium center, yielding...
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Tris(dimethylamino)phosphine acts as a base. It reacts with oxygen to give hexamethylphosphoramide, O=P(NMe2)3, and with sulfur to give the corresponding compound...
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mechanical drawing orients the polymer chains in the fiber's direction. Hexamethylphosphoramide (HMPA) was the solvent initially used for the polymerization, but...
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as tetrahydrofuran (THF), tetramethylethylenediamine (TMEDA), hexamethylphosphoramide (HMPA), and 1,4-diazabicyclo[2.2.2]octane (DABCO) further polarize...
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called phosphoramides. An example compound is the polar solvent hexamethylphosphoramide (HMPA). Perrin, D. D., ed. (1982) [1969]. Ionisation Constants...
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acetate 1.009 Benzonitrile 1.01 1-Methyl-2-pyrrolidinone 1.028 Hexamethylphosphoramide 1.03 1,4-Dioxane 1.033 Acetic acid 1.049 Acetic anhydride 1.08...
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agriculture to enhance the effectiveness of urea-based fertilizers. Hexamethylphosphoramide (HMPA) is a polar solvent. "Phosphoramide". IUPAC GoldBook. Steger...
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Heptachlor Hexachlorobenzene Hexachloroethane Hexachlorocyclohexanes Hexamethylphosphoramide (HMPA) 2,4-Hexadienal Human immunodeficiency virus type 2 (infection...
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Hexamethylphosphorous triamide (HMPT) could be: Hexamethylphosphoramide Tris(dimethylamino)phosphine This disambiguation page lists articles associated...
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of carbonyls is a system with molybdenum peroxide, pyridine and hexamethylphosphoramide. A family of stereoselective syntheses oxidizes in situ enols with...
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diethyl ether (Et2O), tetramethylethylene diamine (TMEDA) or hexamethylphosphoramide (HMPA). Methyllithium is a special case: its tetrameric structure...
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liquid ammonia or other donor solvents like aliphatic amines or hexamethylphosphoramide to give blue solutions. These solutions are believed to contain...
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common application is for alkylation of aldehydes and ketones: Hexamethylphosphoramide a phosphoramide; useful polar aprotic solvent and additive in organic...
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Hexachloroethane 67-72-1 2,4-Hexadienal – Hexafluoroacetone 684-16-2 Hexamethylphosphoramide 680-31-9 n-Hexane 110-54-3 2,5-Hexanedione 110-13-4 Hexavalent...
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water. Another way to make it is with polysulfide dissolved in hexamethylphosphoramide where it gives a blue colour. Other methods of production of S−3...
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Hexachloroethane 822-06-0 Hexamethylene-1,6-diisocyanate 680-31-9 Hexamethylphosphoramide 110-54-3 Hexane 302-01-2 Hydrazine 7647-01-0 Hydrochloric acid...
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deprotonated by lithium hydride in an aprotic solvent such as hexamethylphosphoramide (HMPA). The resulting lithium thiolate salt has been used as demethylating...
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some small primary amines, such as methylamine and ethylamine and hexamethylphosphoramide, forming blue solutions. THF dissolves alkali metal, but a Birch...
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structures directed solely by C–H⋯O hydrogen bonding to hmpa (hmpa = hexamethylphosphoramide)". Chem. Commun. (19): 2285–2286. doi:10.1039/CC9960002285. Charles...
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UBr5L are known with such ligands as triphenylphosphine oxide and hexamethylphosphoramide, and are obtained by brominating UBr4 in the presence of the desired...
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the formation of a new carbon-carbon bond.(3) In many cases when hexamethylphosphoramide (HMPA) is used as an additive with lithium amide bases, selectivity...
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tetramethylurea is often used as a replacement for the carcinogenic hexamethylphosphoramide (HMPT). Tetramethylurea is suitable as a reaction medium for the...
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is significantly affected by the choice of solvent. The use of hexamethylphosphoramide (HMPA) as a co-solvent in samarium(II) iodide reductions allows...
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used to reductively cleave α-keto sulfones; in the presence of hexamethylphosphoramide (HMPA), SmI2 is able to effect reductive elimination of α-functionalized...
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used as solvents include liquid ammonia, ethyl amine, diglyme, or hexamethylphosphoramide. The choice of solvent depends on the temperature desired, whether...
27 KB (1,839 words) - 21:55, 8 February 2024