Synthesis of Alkylphosphazenes via Copper-Phosphazene Intermediates

Harry R. Allcock, Paul J. Harris, Mark S. Connolly

Research output: Contribution to journalArticle

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Abstract

A new reaction route has been developed for the synthesis of a hitherto inaccessible series of 1,1-dialkyltetrachlorocyclotriphosphazenes, N3P3Cl4RR’ (III), where R = CH3, C2H5, n-C3H7, n-C4H9, i-C4H9, t-C4H9, or allyl and R’ = CH3, C2H5, n-C3H7, n-C4H9, or allyl. The high-yield route involves the interaction of hexachlorocyclotriphosphazene, (NPCl2)3, with alkyl Grignard reagents in the presence of [n-Bu3PCuI]4, followed by treatment with alkyl halides. The structural characterization of these compounds by NMR and mass spectrometric techniques is discussed, together with the reaction mechanism.

Original languageEnglish (US)
Pages (from-to)11-16
Number of pages6
JournalInorganic Chemistry
Volume20
Issue number1
DOIs
StatePublished - Jan 1 1981

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phosphazene
Copper
routes
Nuclear magnetic resonance
copper
synthesis
halides
reagents
nuclear magnetic resonance
interactions
hexachlorocyclotriphosphazene

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

Cite this

Allcock, Harry R. ; Harris, Paul J. ; Connolly, Mark S. / Synthesis of Alkylphosphazenes via Copper-Phosphazene Intermediates. In: Inorganic Chemistry. 1981 ; Vol. 20, No. 1. pp. 11-16.
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Synthesis of Alkylphosphazenes via Copper-Phosphazene Intermediates. / Allcock, Harry R.; Harris, Paul J.; Connolly, Mark S.

In: Inorganic Chemistry, Vol. 20, No. 1, 01.01.1981, p. 11-16.

Research output: Contribution to journalArticle

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T1 - Synthesis of Alkylphosphazenes via Copper-Phosphazene Intermediates

AU - Allcock, Harry R.

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N2 - A new reaction route has been developed for the synthesis of a hitherto inaccessible series of 1,1-dialkyltetrachlorocyclotriphosphazenes, N3P3Cl4RR’ (III), where R = CH3, C2H5, n-C3H7, n-C4H9, i-C4H9, t-C4H9, or allyl and R’ = CH3, C2H5, n-C3H7, n-C4H9, or allyl. The high-yield route involves the interaction of hexachlorocyclotriphosphazene, (NPCl2)3, with alkyl Grignard reagents in the presence of [n-Bu3PCuI]4, followed by treatment with alkyl halides. The structural characterization of these compounds by NMR and mass spectrometric techniques is discussed, together with the reaction mechanism.

AB - A new reaction route has been developed for the synthesis of a hitherto inaccessible series of 1,1-dialkyltetrachlorocyclotriphosphazenes, N3P3Cl4RR’ (III), where R = CH3, C2H5, n-C3H7, n-C4H9, i-C4H9, t-C4H9, or allyl and R’ = CH3, C2H5, n-C3H7, n-C4H9, or allyl. The high-yield route involves the interaction of hexachlorocyclotriphosphazene, (NPCl2)3, with alkyl Grignard reagents in the presence of [n-Bu3PCuI]4, followed by treatment with alkyl halides. The structural characterization of these compounds by NMR and mass spectrometric techniques is discussed, together with the reaction mechanism.

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