Studies of Phosphazenes: Part 27¹. Synthesis of (Triphenylphosphazenyl)Pentachloro and Pentafluoro-Cyclotriphosphazenes

K. C. Kumara Swamy Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India

P. Ramabrahmam Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India

S. S. Krishnamurthy Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India

Abstract

The triphenylphosphazenyl cyclophosphazene, N₃P₃(N=PPh₃)Cl₅ (1) has been prepared by two new methods using Appel and Staudinger reactions. The effect of solvent on the synthesis of 1 from the reaction of gem-N₃P₃ (NH₂)₂Cl₄ with Ph₃PCl₂ (Kirsanov method) has been investigated. The fluoro compound, N₃P₃(N=PPh₃)F₅(2), is obtained readily in good yields (85%) by the treatment of 1 with KF in methyl cyanide.

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Studies of Phosphazenes: Part 27¹. Synthesis of (Triphenylphosphazenyl)Pentachloro and Pentafluoro-Cyclotriphosphazenes

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Studies of Phosphazenes: Part 271. Synthesis of (Triphenylphosphazenyl)Pentachloro and Pentafluoro-Cyclotriphosphazenes

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Studies of Phosphazenes: Part 27¹. Synthesis of (Triphenylphosphazenyl)Pentachloro and Pentafluoro-Cyclotriphosphazenes