992-79-0

Usage

Molecular structure

Contains eight phenoxy groups and four tetrazatetraphosphocine rings.

Type of compound

Chemical compound.

Usage

Primarily used in coordination chemistry as a ligand for the synthesis of coordination complexes.

Property

Ability to form stable complexes with metal ions.

Applications

Valuable tool for various applications in chemical research and industrial processes.

Potential

Unique structure gives it potential for further exploration in the development of new materials and catalysts.

Upstream product

• 139-02-6 sodium phenoxide 
• 940-71-6 2,2,4,4,6,6-hexachloro-1,3,5-triaza-2,4,6-triphosphorine 
• 2950-45-0 octachlorocyclotetraphosphazene 
• 13596-41-3 pentakisphosphorus nitride dichloride 
• 2851-52-7 hexakisphosphorus nitride dichloride 
• 108-95-2 phenol 

Relevant academic research and scientific papers

Synthesis of a dendrimeric phenoxy-substituted cyclotetraphosphazene and its non-covalent interactions with multiwalled carbon nanotubes

A dendrimeric phenoxy-substituted cyclotetraphosphazene has been prepared for the non-covalent functionalization of multiwalled carbon nanotubes (MWCNTs). The synthesized cyclotetraphosphazene derivatives (2-4) and dendrimeric cyclotetraphosphazene (5) have been characterized by standard spectroscopic techniques. The functionalization of MWCNTs with compound 5 has been accomplished and the resulting MWCNT-5 hybrid has been characterized by 31P NMR, 1H NMR, Raman spectroscopy, X-ray diffraction (XRD), energy dispersive X-ray (EDX), fluorescence, thermal gravimetric analysis (TGA) and high-resolution transmission electron microscopy (HRTEM) techniques. The results showed that the dendrimeric compound 5 has been attached to the MWCNTs via non-covalent π-π interactions between the phenoxy groups on the dendrimeric compound 5 and the extended π system of the MWCNTs. The MWCNT-5 hybrid exhibited significant dispersion stability in common organic solvents.

Structural and chemosensor properties of FDA and FDP derivatives of fluorenylidene bridged cyclotetraphosphazenes

The first series of 4,4′-(9-fluorenylidene)diphenol (FDP) (5) and 4,4′-(9-fluorenylidene)dianiline (FDA) (6) bridged and open chained cyclotetraphosphazene derivatives (15-23) have been synthesized. Their florescence and chemosensor properties are reported. Nucleophilic substitution reactions of octachlorocyclotetraphosphazene (1) with mono-functional reagents [phenol (2), 2-naphthol (3) and 1-hydroxypyrene (4)] were carried out and the heptasubstituted derivatives (8, 11 and 14) were obtained. Then the reactions of 8, 11 and 14 with 4,4′-(9-fluorenylidene)diphenol (FDP) (5) and 4,4′-(9-fluorenylidene)dianiline (FDA) (6), respectively gave bridged and open chained compounds. The structures of the synthesized compounds (7-23) were verified by elemental analyses, mass spectrometry, UV Vis, 1H and 31P NMR techniques and fluorescence spectroscopy. The metal sensing properties of the novel bridged open chain cyclotetraphosphazene derivatives were also examined by fluorescence spectroscopy. These complexes showed high selectivity for Cu2+ and Fe3+ ions in solution.

CYCLIC PHOSPHAZENES, PROCESS FOR PREPARING THEM, FLAME RETARDANTS CONTAINING THE SAME AS THE ACTIVE INGREDIENT, AND RESIN COMPOSITIONS AND MOLDED ARTICLES CONTAINING THE FLAME RETARDANTS

The present invention relates to cyclic phosphazenes of general formula (1) wherein Q is a halogen and/or an aryloxy group, and m is an integer of 3 to 10, which are characterized by being substantially free from linear phosphazenes of general formula (2) wherein Q is a halogen and/or an aryloxy group, and n is an integer of 1 to 20 and by having an extremely low content of halogen, and which are appropriate to flame retardants for resins; processes for preparing the same; flame retardants containing the same as an active ingredient; resin compositions containing the cyclic phosphazenes; and molded articles therefrom.