Organophosphorus Compounds; 124. Phosphorus-Phosphorus Bond Cleavage in Phosphorus-Carbon Cage Compounds Containing a Diphosphirane Moiety

Anja Nachbauer; Uwe Bergsträßer; Stefan Leininger; Manfred Regitz

doi:10.1055/s-1998-2045

Synthesis 1998; 1998(4): 427-430
DOI: 10.1055/s-1998-2045

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Organophosphorus Compounds; 124. Phosphorus-Phosphorus Bond Cleavage in Phosphorus-Carbon Cage Compounds Containing a Diphosphirane Moiety

Anja Nachbauer^* , Uwe Bergsträßer, Stefan Leininger, Manfred Regitz

^*Fachbereich Chemie der Universität Kaiserslautern, Erwin-Schrödinger-Straße, D-67663 Kaiserslautern, Germany; Fax + 49 (6 31)2 05 39 21

Abstract

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The reactions of diphosphatricyclooctenes 9 with bromine (10 a) or iodine chloride (10 b) proceed by selective cleavage of the phosphorus-phosphorus bond of the diphosphirane unit with formation of the diphosphabicyclooctenes 11. On reaction of 11 a with one equivalent of nonacarbonyldiiron (12) metal complexation of one phosphorus center (→ 13 a) is achieved. The constitution of the η ¹-complex 13 a was confirmed by X-ray crystallography.

diphosphatricyclooctenes containing a diphosphirane unit - bromine - iodine chloride - selective P-P bond cleavage - crystal structure

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