The Chemical Properties of Alkali Metals Heptaphosphides

Vasily Miluykov A. E. Arbuzov Institute of Organic and Physical Chemistry, Russian Academy of Sciences, Kazan, 420088, Russia

Alexandr Kataev A. E. Arbuzov Institute of Organic and Physical Chemistry, Russian Academy of Sciences, Kazan, 420088, Russia

Oleg Sinyashin A. E. Arbuzov Institute of Organic and Physical Chemistry, Russian Academy of Sciences, Kazan, 420088, Russia

Evamarie Hey-Hawkins Universität Leipzig, Institut für Anorganische Chemie, Leipzig, Germany

Abstract

Trisodium heptaphosphide Na₃P₇ (1) reacts with alkyl tosylates with formation of sodium dialkylheptaphosphides (2) or trialkylheptaphosphines (3) depending on the stoichiometry. Sodium 1,2-diphosphacyclopentadienide is formed in the reaction of cyclopropenyl complexes of nickel with sodium polyphosphides.

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