Hexamethylphosphoramide, often abbreviated HMPA, is a phosphoramide (an amide of phosphoric acid) with the formula [(CH3)2N]3PO. This colorless liquid...
9 KB (782 words) - 00:53, 23 October 2024
dimethylformamide, dimethylacetamide, N-methyl-2-pyrrolidone, and hexamethylphosphoramide (HMPA). DMSO is frequently used as a solvent for chemical reactions...
39 KB (4,029 words) - 23:40, 5 December 2024
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,...
3 KB (140 words) - 17:22, 13 October 2023
mechanical drawing orients the polymer chains in the fiber's direction. Hexamethylphosphoramide (HMPA) was the solvent initially used for the polymerization, but...
33 KB (3,474 words) - 03:34, 27 December 2024
DuPont (Fibre B) as Dupont initially used the carcinogenic HMPT (hexamethylphosphoramide). Despite heavy research DuPont now also applies the AKZO patent...
8 KB (864 words) - 04:45, 27 December 2024
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...
49 KB (211 words) - 18:48, 30 December 2024
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...
45 KB (3,723 words) - 14:12, 28 November 2024
liquid ammonia or other donor solvents like aliphatic amines or hexamethylphosphoramide to give blue solutions. These solutions are believed to contain...
214 KB (23,524 words) - 08:55, 14 December 2024
affect the reactivity of the reagent. For example, DMF, DMSO, hexamethylphosphoramide (HMPA), and 18-crown-6 interact with the potassium center, yielding...
9 KB (692 words) - 20:56, 25 November 2024
common application is for alkylation of aldehydes and ketones: Hexamethylphosphoramide a phosphoramide; useful polar aprotic solvent and additive in organic...
15 KB (264 words) - 18:51, 14 August 2022
showed that it is possible to replace the suspected carcinogen hexamethylphosphoramide (HMPA) with DMPU. Nomenclature of Organic Chemistry : IUPAC Recommendations...
4 KB (172 words) - 07:31, 20 November 2021
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...
15 KB (767 words) - 16:43, 4 July 2024
Heptachlor Hexachlorobenzene Hexachloroethane Hexachlorocyclohexanes Hexamethylphosphoramide (HMPA) 2,4-Hexadienal Human immunodeficiency virus type 2 (infection...
15 KB (1,443 words) - 02:48, 4 October 2024
diethyl ether (Et2O), tetramethylethylene diamine (TMEDA) or hexamethylphosphoramide (HMPA). Methyllithium is a special case: its tetrameric structure...
55 KB (5,955 words) - 21:42, 4 January 2025
as tetrahydrofuran (THF), tetramethylethylenediamine (TMEDA), hexamethylphosphoramide (HMPA), and 1,4-diazabicyclo[2.2.2]octane (DABCO) further polarize...
18 KB (1,856 words) - 02:21, 23 October 2024
Hexamethylphosphorous triamide (HMPT) could be: Hexamethylphosphoramide Tris(dimethylamino)phosphine This disambiguation page lists articles associated...
143 bytes (41 words) - 14:22, 23 December 2023
called phosphoramides. An example compound is the polar solvent hexamethylphosphoramide (HMPA). Perrin, D. D., ed. (1982) [1969]. Ionisation Constants...
3 KB (229 words) - 09:35, 27 August 2024
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...
13 KB (1,346 words) - 01:42, 24 November 2024
structures directed solely by C–H⋯O hydrogen bonding to hmpa (hmpa = hexamethylphosphoramide)". Chem. Commun. (19): 2285–2286. doi:10.1039/CC9960002285. Charles...
16 KB (1,544 words) - 00:35, 15 April 2024
deprotonated by lithium hydride in an aprotic solvent such as hexamethylphosphoramide (HMPA). The resulting lithium thiolate salt has been used as demethylating...
8 KB (704 words) - 08:53, 23 October 2024
some small primary amines, such as methylamine and ethylamine and hexamethylphosphoramide, forming blue solutions. Tetrahydrofuran (THF) dissolves alkali...
19 KB (2,068 words) - 17:30, 30 December 2024
of carbonyls is a system with molybdenum peroxide, pyridine and hexamethylphosphoramide. A family of stereoselective syntheses oxidizes in situ enols with...
7 KB (651 words) - 16:56, 22 October 2024
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) - 01:04, 13 December 2024
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...
9 KB (1,120 words) - 18:28, 26 October 2023
used to reductively cleave α-keto sulfones; in the presence of hexamethylphosphoramide (HMPA), SmI2 is able to effect reductive elimination of α-functionalized...
20 KB (2,256 words) - 04:09, 29 November 2024
is significantly affected by the choice of solvent. The use of hexamethylphosphoramide (HMPA) as a co-solvent in samarium(II) iodide reductions allows...
17 KB (1,966 words) - 20:27, 29 August 2024
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...
3 KB (260 words) - 14:15, 23 December 2023
tetramethylurea is often used as a replacement for the carcinogenic hexamethylphosphoramide (HMPT). Tetramethylurea is suitable as a reaction medium for the...
12 KB (1,248 words) - 11:52, 1 August 2024
agriculture to enhance the effectiveness of urea-based fertilizers. Hexamethylphosphoramide (HMPA) is a polar solvent. "Phosphoramide". IUPAC GoldBook. Steger...
2 KB (167 words) - 11:54, 14 November 2024
UBr5L are known with such ligands as triphenylphosphine oxide and hexamethylphosphoramide, and are obtained by brominating UBr4 in the presence of the desired...
3 KB (318 words) - 13:00, 21 December 2023