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- W2023147366 abstract "Abstract The redox reactions between P4 and alkali metal phosphides in THF are followed by 31P NMR spectroscopy. As reduction products polyphosphides, mainly M3P7 (3) are formed. The activation energy of the valence tautomerism of 3 is somewhat lower for M = Na than for M = Li. As oxidation products MPh2P give the triphosphides MPh4P3 (1) and the diphosphane Ph4P2 (2); M2(PhP) n , n = 1,2,3 extend their chain up to n = 4; K2(PhP)4 yields the cyclopentaphosphide KPh4P5 (6), Li2PhP the tricycloheptaphosphide Li2PhP7 (7). Die bei der Umsetzung von P4 mit Phosphiden ablaufenden Redox-Reaktionen werden 31P-NMR-spektroskopisch verfolgt. Als Reduktionsprodukt entstehen Polyphosphide, vorwiegend M3P7 (3). Die Aktivierungsenergie der Valenztautomerie von 3 ist für M = Na etwas niedriger als für M = Li. Als Oxidationsprodukt entstehen mit MPh2P die Triphosphide MPh4P3 (1) und das Diphosphan Ph4P2 (2); mit M2(PhP) n , n = 1,2,3 tritt Kettenverlängerung bis auf n = 4 ein; mit K2(PhP)4 entsteht das Cyclopentaphosphid KPh4P5 (6), mit Li2PhP das Tricycloheptaphosphid Li2PhP7 (7)." @default.
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- W2023147366 date "1985-05-01" @default.
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- W2023147366 title "DIE REAKTION VON ALKALIPHOSPHIDEN MIT WEISSEM PHOSPHOR, I<sup>1</sup>BILDUNG VON 1,1,3,3-TETRAPHENYL-TRIPHOSPHID, 2,3,4,5-TETRAPHENYL-CYCLOPENTAPHOSPHID UND PHENYL-TRICYCLOHEPTAPHOSPHID" @default.
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- W2023147366 doi "https://doi.org/10.1080/03086648508073371" @default.
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