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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Beiträge zur Chemie des Phosphors, 209 / Contributions to the Chemistry of Phosphorus, 209

Pentaorganyl-nonaphosphane(5) mit Noradamantan-Struktur: a-P9Et5 und a-P9(i-Pr)5 / Pentaorganylnonaphosphanes(5) with a Structure Analogous to Noradamantane: a-P9Et5 and a-P9(i-Pr)5

  • Marianne Baudler , Bernhard Koll and Volker Arndt

a-P9Et5 (1) and a-P9(i-Pr)5 (2) have been obtained by reacting a mixture of (PEt)5 and PC13 and of i-PrPCl2 and P4, respectively, with magnesium. Compound 1 has been isolated in 95% purity, whereas 2 has been highly enriched in the product mixture. According to their 31P{1H}-NMR spectra, 1 and 2 are 2,4,6,8,9-pentaorganyltricyclo[3.3.1.03.7]nonaphosphanes (a-P9R5) containing a P9 skeleton analogous to that of noradamantane. In addition, small portions of another constitutional isomer with a structure analogous to that of brexane (b-P9R5) have been detected.

Received: 1990-5-10
Published Online: 2014-6-2
Published in Print: 1990-11-1

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