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Short Paper | Regular issue | Vol 106, No. 6, 2023, pp.1039-1046
Published online, 17th April, 2023
DOI: 10.3987/COM-23-14849
Synthesis of 2-Anilino-2,4,4,6,6-pentachlorocyclotriphosphazenes (N3P3Cl5(NAr(R)))

Manabu Kuroboshi,* Ryota Takahashi, and Hideo Tanaka

*Graduate School of Natural Science and Technology, Okayama University, Tsushima-naka 3-1-1, Kita-ku, Okayama, Japan


Hexachlorocyclotriphosphazene (HCCP, N3P3Cl6, 1) was treated with anilines in THF at 0 ºC to give a corresponding mono-substituted 2-anilino-2,4,4,6,6-pentachlorocyclotriphosphazenes (N3P3Cl5(NAr(R)), 2) in good to moderate yield. Multi-substituted products N3P3Cl6-n(NAr(R))n (n ≥ 2)) were not detected in 31P NMR spectra of the reaction mixture.