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Book ChapterDOI

Phosphorus phosphorus compounds with the coordination number 4

01 Jan 1977-pp 90-110
About: The article was published on 1977-01-01. It has received None citations till now. The article focuses on the topics: Phosphorus.
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Journal ArticleDOI
TL;DR: In this article, it was shown that P 4 O 6 can be continuously prepared with yields of about 70 mole-%, based on introduced phosphorus, and selectivities up to 95 per cent.
Abstract: Phosphorus(III)oxide, P 4 O 6 , can be continuously prepared with yields of about 70 mole-%, based on introduced phosphorus, and selectivities up to 95 per cent. Its thermal decomposition gives phosphorus(III/V)oxides, being also formed on interaction of P 4 O 6 -solutions in CCl 4 with oxygen. Reaction of P 4 O 6 with HCl yields phosphorus(III) chloride and phosphorous acids: with HF phosphorus(III) fluoride and fluorophosphorous acids result. Interaction with halogens gives phosphorus(III/V) oxide halides. Highly dispersed P 4 O 6 reacts with water to form immediately high-concentrated solutions of pure phosphorous acid. Alcoholysis, performed in the reaction products as solvent medium, yields pure equimolar mixtures of phosphorous acid mono- and diesters; as an intermediate product, polymeric phosphorous acid can be obtained. Monocarboxylic acids give acyl phosphites which may be quantitatively transformed to alkanehydroxy-diphosphonic acids. Aliphatic amines yield mono- and diamides of phosphorous acid. Reaction of P 4 O 6 with sulphur allows continuous preparation of the oxide sulphide P 4 O 6 S 4 . All these reactions of P 4 O 6 are strongly exothermic and of a high rate. The reactions yielding phosphorus(III) compounds may be explained by a nucleophilic attack on the P 4 O 6 molecule.

10 citations

Journal ArticleDOI
TL;DR: Trimethyltin hypophosphite, Me3SnPO2H2, bis(trimethytin) phosphite dihydrate, (Me3Sn)2PO3H.2H 2O, and bis(triphenyltin) phosphite (Ph3sn)2 PO3H, have been obtained from the organotin chloride and a...
Abstract: Trimethyltin hypophosphite, Me3SnPO2H2, bis(trimethyltin) phosphite dihydrate, (Me3Sn)2PO3H.2H2O, and bis(triphenyltin) phosphite, (Ph3Sn)2PO3H, have been obtained from the organotin chloride and a...

10 citations