Phosphorus–nitrogen compounds. Part VI. Aminolysis of octachlorocyclotetraphosphazatetraene and the crystal structure of 2-trans-6-bis(n-propylamino)-2,4,4,6,8,8-hexakis-tert-butylaminocyclo-2λ5, 4λ5, 6λ5, 8λ5-tetraphosphazatetraene

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dc.contributor.authorIsiklan, M.
dc.contributor.authorKilic, Z.
dc.contributor.authorAkduran, N.
dc.contributor.authorHokelek, T.
dc.date.accessioned2020-06-25T17:35:15Z
dc.date.available2020-06-25T17:35:15Z
dc.date.issued2003
dc.departmentKırıkkale Üniversitesi
dc.descriptionHokelek, Tuncer/0000-0002-8602-4382
dc.description.abstractThe reactions of 2-trans-6-N4P4(NBPrn)(2)CI6 (2), which was obtained from N4P4Cl8 (1) and n-propylamine, with pyrrolidine and t-butylamine in different solvents have been studied. Compound (2) gave two different products, namely monocyclic (3 and 5) and bicyclic (4 and 6) phosphazenes. Compounds (2-6) have been characterized by elemental analysis, IR, H-1-, C-13-, P-31 NMR, HETCOR and MS and the structure of compound (5) has been examined crystallographically. The bicyclic phosphazene (6) is the first exciting example of bicyclic phosphazenes containing chlorine atoms, in the literature. The formation mechanisms of bicyclic phosphazenes are re-considered by taking into account the synthesis of compound (6), which contains three stereogenic phosphorus atoms. Compound (5) crystallizes in the monocyclic space group P2(1) In with a = 13.974(2), b = 17.836(5), and c = 18.683(4) Angstrom, beta = 98.50(1)degrees, V = 4605.4(2) Angstrom(3), Z = 4 and D-x = 1.051 g cm(-3). It consists of a non-centrosymmetric, nonplanar phosphazene ring in a saddle conformation, with two n-propylamino (in 2-trans-6 positions) and six bulky t-butylamino side groups. The bulky substituents are instrumental in determining the molecular geometry. (C) 2003 Elsevier B.V. All rights reserved.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.molstruc.2003.08.024
dc.identifier.endpage179en_US
dc.identifier.issn0022-2860
dc.identifier.issue1-3en_US
dc.identifier.scopus2-s2.0-0142183503
dc.identifier.scopusqualityQ1
dc.identifier.startpage167en_US
dc.identifier.urihttps://doi.org/10.1016/j.molstruc.2003.08.024
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3069
dc.identifier.volume660en_US
dc.identifier.wosWOS:000186239600017
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Bven_US
dc.relation.ispartofJournal Of Molecular Structure
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectsynthesis of phosphazenesen_US
dc.subjectmonocyclic and bicyclic phosphazenesen_US
dc.subjectcrystal structure of phosphazeneen_US
dc.subjectspectroscopic studies of phosphazenesen_US
dc.titlePhosphorus–nitrogen compounds. Part VI. Aminolysis of octachlorocyclotetraphosphazatetraene and the crystal structure of 2-trans-6-bis(n-propylamino)-2,4,4,6,8,8-hexakis-tert-butylaminocyclo-2λ5, 4λ5, 6λ5, 8λ5-tetraphosphazatetraeneen_US
dc.typeArticle

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