Phosphoraustausch im Cyclophosphazenring bei der Reaktion Hydridocyclotri(phosphazen)/Perthiophosphonsäureanhydrid [1] / Exchange of Phosphorus in the Cyclophosphazene Ring in the Reaction Hydridocyclotri (phosphazene )/Perthiophosphonic Anhydride [1]
Open Access
- 1 July 1979
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 34 (7) , 915-917
- https://doi.org/10.1515/znb-1979-0706
Abstract
The 2-hydrido-2-methyl-cyclotri(phosphazene) (1) reacts with perthiophosphonic anhydrides (2) to give cyclotri(phosphazene)diene-2-thiones (3). When 2 contains R ≠ CH3, mixtures of CH3-3 and R-3 are obtained. This must be due to a competition of sulfur transfer from 2 to 1 and the insertion of a RPS unit from 2 into 1 involving the opening and reclosure of the N3P3 ring. The unusual lability of the cyclotri (phosphazene) ring probably arises from the prototropy in 1Keywords
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