Cyclotriphosphazene-bridged
Web本发明公开了一种新型含希夫碱DOPO磷氮阻燃剂，所述阻燃剂具有如下结构：本发明还提供了上述新型含希夫碱DOPO磷氮阻燃剂的制备方法。本发明还提供了上述新型含希夫碱DOPO磷氮阻燃剂的应用。本发明的有益效果如下：本发明提供的制备方法制备的新型含希夫碱DOPO磷氮阻燃剂的产率较高，可达89 ... WebJan 11, 2024 · The reactions of cyclotriphosphazene (1) with 2-(2-hydroxyethylamino)-ethanol (2) were investigated. 2-(2-hydroxyethylamino)-ethanol (2) is a tri-functional …
Cyclotriphosphazene-bridged
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WebAug 5, 2013 · A first series of the 4,4′-(9-fluorenylidene)diphenol ( FDP ), ( 2 ) and 4,4′-(9-fluorenylidene)dianiline ( FDA ), ( 7 ) bridged cyclotriphosphazene derivatives ( 3–6 , 8–11 ) were synthesized by nucleophilic S N 2(P) and S N 1(P) reactions, respectively. The structural investigations of the compounds were verified by elemental analyses, mass … WebFeb 11, 2024 · The syntheses of N,N-spiro bridged cyclotriphosphazene derivatives with (4-fluorobenzyl) pendant arms: structural and stereogenic properties, DNA interactions, …
WebJan 11, 2024 · The reactions of cyclotriphosphazene (1) with 2-(2-hydroxyethylamino)-ethanol (2) were investigated. 2-(2-hydroxyethylamino)-ethanol (2) is a tri-functional reagent consisting of both aliphatic hydroxyl and the secondary amino groups and its nucleophilic substitution reactions with cylotriphosphazene can lead to different product types; open … WebThe crystal structure of an unusual cyclophosphazene-bridged dicopper complex [H 2 dmpz][(CuCl 2) 2 {N 3 P 3 O(dmpz) 5}](Hdmpz = 3,5-dimethylpyrazole) has been determined: space group P, a= 11.640(3), b= 14.497(14), c= 14.775(3), α= 77.62(6), β= 82.10(2), γ= 74.88(6)°, and Z= 2. The geometry around both copper atoms is a distorted …
WebOct 15, 2016 · New cyclotriphosphazene derivatives containing azole side groups and morpholino or propandioxy moieties as cosubstituent groups have been designed and … WebNov 5, 2024 · The nature of cyclophosphazene-adducted compounds usually depends both on the phosphazene base and the corresponding Lewis acid. For example, for the N 6 P 6 (NMe 2) 12 .CuCl 2, Lewis acid is not bonded to a particular ring atom. However, it is located on the ring and is attached to more than one nitrogen atom [ 27 ].
WebSep 14, 2024 · As a phosphorus scaffold, hexachlorocyclotriphosphazene (HCCP) is widely used for synthesis of varieties of derivatives, including metal-binding complexes and several unique organometallic...
WebCyclotriphosphazene derivatives containing a P–NHR group in the side-chain react in the presence of a strong base to form stable intermolecular bridged products. Reaction of sodium hydride with mono-spiro cyclophosphazene derivatives having a P–NH group, N 3 P 3 Cl 4 [O(CH 2) 3 NH], (1a) or N 3 P 3 Cl 4 [CH 3 N(CH 2) 3 NH], (1b) leads to formation … ttf5t531-rmbWebOct 16, 2013 · The synthesized cyclomatrix polyphosphazene exhibits a highly rigid and brittle nature as well as a high decomposition temperature over 350 °C due to its densely cyclic structure. This polyphosphazene material also shows a high limiting oxygen index and a V-0 classification in a UL-94 burning experiment. ttf45ctWebAug 7, 2013 · Abstract. A first series of the 4,4′- (9-fluorenylidene)diphenol ( FDP ), ( 2) and 4,4′- (9-fluorenylidene)dianiline ( FDA ), ( 7) bridged cyclotriphosphazene … ttf451WebFeb 18, 2024 · In this paper, a new 100% water-soluble cyclotriphosphazene-based bridged naphthalene material (4) was prepared as a small molecule fluorescent sensor … tt f 325 type 1WebSep 28, 2024 · The thermal degradation and flame retardancy effect between ionic liquid-modified graphene and hexaphenoxy cyclotriphosphazene on epoxy resin (EP) was investigated using thermogravimetric analysis, differential thermogravimetric analysis, thermogravimetric analysis-infrared spectrometry (TGA-FTIR) and the char residue … phoenix bird hk limitedphoenix bird in tamilWebOct 25, 2016 · Attention was particularly focused on developing methods, UV-vis spectroscopy and square-wave voltammetry, to quantify the number of radicals in a way to confirm easily and rapidly the polyradicals' structure. The synthesis of a homogeneous neutral hexaradical architecture consisting of six imino nitroxide radical moieties … ttf705