1999
DOI: 10.1039/a807373b
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Synthesis, reactivity and structures of spirocyclic products derived from octachlorocyclotetraphosphazene: comparison with spirocyclic cyclotriphosphazenes and linear phosphazenes

Abstract: The reaction of N 4 P 4 Cl 8 1 with the difunctional reagents 2,2Ј-methylenebis(4,6-di-tert-butylphenol) (as its disodium salt) and N,NЈ-diisopropylpropane-1,3-diamine gave the spirocyclic products 2,2-N 4 P 4 {[

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Cited by 41 publications
(23 citation statements)
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“…Consistent with the BenesiHildebrand graphs, application of the Method of Continuous Variation resulted in a Job's with a maximum mole fraction for Fe 3+ cations was observed as 0.50 ( Fig. 8c as a n e x a m p l e fo r c o m p o u n d 6 ) , i n d i c a t i n g th a t cyclophosphazene molecules and Fe 3+ ions preferred 1:1 stoichiometry for the formation of complexes between the chemosensor compounds (6)(7)(8)(9) and Fe 3+ cations in aqueous solutions.…”
Section: Chemosensor Properties To Metal Ionsmentioning
confidence: 93%
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“…Consistent with the BenesiHildebrand graphs, application of the Method of Continuous Variation resulted in a Job's with a maximum mole fraction for Fe 3+ cations was observed as 0.50 ( Fig. 8c as a n e x a m p l e fo r c o m p o u n d 6 ) , i n d i c a t i n g th a t cyclophosphazene molecules and Fe 3+ ions preferred 1:1 stoichiometry for the formation of complexes between the chemosensor compounds (6)(7)(8)(9) and Fe 3+ cations in aqueous solutions.…”
Section: Chemosensor Properties To Metal Ionsmentioning
confidence: 93%
“…4 as examples for compounds 4, 6 and 8). The fluorescence behaviors were examined in methanol for all studied compounds (4-9) and in both methanol and aqueous solutions for quaternized ionic or zwitterionic compounds (6)(7)(8)(9). All these compounds gave an emission band at 395 nm in methanol (Fig.…”
Section: Ground State Electronic Absorption and Fluorescence Propertiesmentioning
confidence: 99%
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“…19,20 Although, a large number of octachlorocyclotetraphosphazatetraene (1), N 4 P 4 Cl 8 , with monofunctional amines were prepared and studied, 21-31 discussion on a substitution with polyfunctional amines is relatively limited in the literature. [32][33][34][35][36][37] We report here, the synthesis and structural characterization of six new cyclotetraphosphazene derivatives (scheme 1) and, to the best of our knowledge, there is no report so far of any derivative in this series that has been structurally characterized by any spectral data or x-ray crystallography.…”
Section: Introductionmentioning
confidence: 99%