By Lee J. Higham (auth.), Maurizio Peruzzini, Luca Gonsalvi (eds.)
Each bankruptcy of Phosphorus Compounds: complicated instruments in Catalysis and fabric Sciences has been rigorously chosen by means of the editors on the way to signify a state of the art assessment of the way phosphorus chemistry can
provide suggestions in a variety of fields of applications.
The editors have assembled a world array of world-renowned
scientists and every bankruptcy is written by way of specialists within the fields of synthetic
chemistry, homogeneous catalysis, dendrimers, theoretical calculations,
materials technological know-how, and medicinal chemistry with a different concentrate on the
chemistry of phosphorus compounds.
Phosphorus Compounds: complex instruments in Catalysis and Material
Sciences is of curiosity to a basic readership starting from advanced
university path scholars to specialists in academia and industry.
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Extra info for Phosphorus Compounds: Advanced Tools in Catalysis and Material Sciences
Hudson HR (1990) Nucleophilic reactions of phosphines. In: Hartley FR (ed) The chemistry of organophosphorus compounds, vol 1. Wiley, New York, pp 438–439 and references therein 46. Miqueu K, Sotiropoulos J-M, Pfister-Guillouzo G, Rudzevich V, Romanenko V, Bertrand G (2004) Role of the 2,6-Bis(trifluoromethyl)phenyl group on the acidity of the corresponding phosphane. Eur J Inorg Chem 381–387 47. Nyulászi L, Szieberth D, Csonka GI, Réffy J, Heinicke J, Veszprémi T (1995) The photoelectron spectrum and conformation of phenylphosphine and phenylarsine.
Both compounds display a broad UV-absorption around 225 nm, which is indicative of (cyclic) electronic delocalization, either over the phosphorus centers or by means of through-space interaction of the in-plane acetylenic p-bonds . 24 W. Weymiens et al. Fig. 4 P/C cages obtained by cyclooligomerization of phosphaalkynes (11–13) Fig. 5 Acetylenic carbon scaffolds Fig. 6 Phosphine acetylenic scaffolding in 3-D 2 Phosphine Acetylenic Macrocycles and Cages: Synthesis and Reactivity 25 Fig. 7 Synthesis of tetraphosphapericycline 21 and triphosphapericycline 22 Tetraphosphapericycline 25, bearing (i-Pr)2N substituents, was obtained likewise as a mixture of four isomers directly from the reaction of 23 with (i-Pr)2NPCl2 (9%) or via intermediate 24 (Fig.
39) that can be frozen at low temperatures (-53 °C), where also an intermediate * is detected by 31P NMR spectroscopy. In this Fig. 37 Ru-dppa macrocyle 104 by heating of polymer 103 Fig. 38 Structure and conformation of Cu-dppa macrocycle 105 2 Phosphine Acetylenic Macrocycles and Cages: Synthesis and Reactivity 41 species, both dppy ligands are in a halfway position with the nitrogen atoms in the plane of both dppa bridges (Fig. 39). Neither the M,M nor the P,P conformer is observed, which would suggest these conformers with both dppy ligands on the same side of the dppa plane may be too sterically congested .