1986
DOI: 10.1002/zaac.19865340304
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Beiträge zur Chemie des Phosphors. 162. MP19 (MI  Li, Na, K), die ersten Salze mit Nonadecaphosphid(3‐)‐Ionen

Abstract: Die Nonadecaphosphide Li3P19, Na3P19 und K3P19 werden bei der nucleophilen Spaltung von weißem Phosphor mit Lithiumdihydrogenphosphid oder Natrium bzw. Kalium neben weiteren Polyphosphiden gebildet. Li3P19 entsteht auch bei der Reaktion von Li3P7 mit weißem Phosphor oder Iod bzw. 1,2‐Dibromethan sowie beim Abbau von Li2P16 mit Lithiumdihydrogenphosphid. Das P193−‐Ion ist nach 2D‐31P‐NMR‐spektroskopischen Untersuchungen als Konjunkto‐Phosphan aus zwei Deltacyclan‐analogen P9(3)−‐Teilgerüsten und einem zentralen… Show more

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Cited by 24 publications
(9 citation statements)
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“…We began our investigation of Pred activation by surveying approaches that were previously used for the activation of Pwhite to polyphosphides with alkali metals, [12] LiPH2, [13][14][15][16] or sodium naphthalenide [17] . By reacting Pred with potassium metal in refluxing THF/DME (1:1 v/v), we were able to obtain orange-red solutions that contained a mixture of soluble polyphosphide anions, P5 -, P16 2-, and P21 3-, according to the 31 P NMR spectra (Figure 1a).…”
mentioning
confidence: 99%
“…We began our investigation of Pred activation by surveying approaches that were previously used for the activation of Pwhite to polyphosphides with alkali metals, [12] LiPH2, [13][14][15][16] or sodium naphthalenide [17] . By reacting Pred with potassium metal in refluxing THF/DME (1:1 v/v), we were able to obtain orange-red solutions that contained a mixture of soluble polyphosphide anions, P5 -, P16 2-, and P21 3-, according to the 31 P NMR spectra (Figure 1a).…”
mentioning
confidence: 99%
“…We began our investigation of P red activation by surveying approaches that were previously used for the activation of P white to form polyphosphides by using alkali metals, LiPH 2 , or sodium naphthalenide . By reacting P red with potassium metal in refluxing THF/DME (1:1 v/v; DME=1,2‐dimethoxyethane), we were able to obtain orange/red solutions that contained a mixture of soluble polyphosphide anions, specifically P 5 − , P 16 2− , and P 21 3− , according to the 31 P NMR spectra (Figure a).…”
Section: Methodsmentioning
confidence: 99%
“…0,02 P-% Natriumpentaphosphacyclopentadienid sowie etwas Trinatrium-henicosaphosphid, Na3P2i [7], und Dinatrium-hexadecaphosphid, Na2P i6 [8 ]. In den roten Lösungen liegen Na2P)6 und Na3P21 neben wenig Na3P19 [9] …”
Section: Präparative Ergebnisseunclassified