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Phosphorus derivatives with six substituents at the immediate periphery of the heteroatom are quite common, more than usually imagined, and this review presents some of the novel structures that have been reported in the last 5–10 years. Many derivatives of varied charge and geometry have been synthesized in studies devoted to phosphorus reactivity. A large number of compounds have also been prepared...
The recent literature devoted to the chemical reactivity of the main families of phosphorus centered radicals is surveyed. Various tin-free radical chain reactions involving L2P-H or L2P(O)-H compounds as hydrogen donors and the corresponding phosphinyl (L2P•) or phosphonyl [L2P(O)•] radicals as chain carriers have been developed. The photo-Arbuzov rearrangement of arylalkylphosphites has been intensively...
This chapter is devoted to phosphinous amides, a particular class of tervalent aminophosphanes. First, attention is focused on their stability and synthetic procedures. Reports dealing with their prototropic equilibrium and main group chemistry are also considered. Last but not least the really important applications of these species as metal ligands in the field of catalysis are reviewed, including...
Many similarities between the chemistry of carbon and phosphorus in low coordination numbers (i.e., CN=1 or 2) have been established. In particular, the parallel between the molecular chemistry of the P=C bond in phosphaalkenes and the C=C bond in olefins has attracted considerable attention. An emerging area in this field involves expanding the analogy between P=C and C=C bonds to polymer science...
This chapter concerns the synthesis and properties of π-conjugated oligomers and polymers containing phosphorus moieties, an area of increasing interest since the early 1990s. Emphasis is placed on the versatility engendered by the incorporation of phosphorus, especially with regard to tuning the photophysical and electronic characteristics of the new materials. This review also describes the first...
In this paper the synthesis, properties and applications of poly(organophosphazenes) have been highlighted. Five different classes of macromolecules have been described, i.e. phosphazene fluoroelastomers, aryloxy-substituted polymeric flame-retardants, alkoxy-substituted phosphazene electric conductors, biomaterials and photo-inert and/or photo-active phosphazene derivatives. Perspectives of future...
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