Issue 3, 1983

1,3,5-Triethylcyclotriphosph(III)azanes and related compounds

Abstract

The cyclophosph(III)azanes, (CIPNEt)3, Cl2P4(NEt)5, and the previously reported diphosphinoamine, Cl2P–NEt–PCl2, are formed by suitable variation of the stoicheiometry of a mixture of phosphorus trichloride and ethylamine hydrochloride in refluxing sym-tetrachloroethane solution. Oxo-derivatives of the cyclic products are also formed in low yields, and in the case of (CIPNEt)3, the same oxo-derivatives can be identified as a product of the reaction with oxygen or dimethyl sulphoxide. Both (CIPNEt)3 and bicyclo-Cl2P4(NEt)5 can be converted to the analogous fluorides by reaction with antimony trifluoride. The former also gives (Cl3PNEt)2 on reaction with chlorine. Cyclotriphosph(III)azanes, (CIPNR)3(R = Me or Et), were obtained in low yield by heating the diphosphinoamines, Cl2P–NR–PCl2. Isomeric forms of the cyclophosph(III)azanes have been distinguished by n.m.r. spectroscopy and their structures are discussed.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1983, 425-431

1,3,5-Triethylcyclotriphosph(III)azanes and related compounds

D. A. Harvey, R. Keat and D. S. Rycroft, J. Chem. Soc., Dalton Trans., 1983, 425 DOI: 10.1039/DT9830000425

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