1984
DOI: 10.1002/zaac.19845120510
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Untersuchungen zur Darstellung des Phosphorsäurefluoridpyridiniumbetains, Py · PO2F (Py = Pyridin)

Abstract: Versuche, ausgehend vom Phosphorsäurechloridpyrididiumbetain, Py · PO2Cl (I), unter wasserfreien Bedingungen durch ClF‐Austausch das entsprechende Fluoridbetain, Py · PO2F (II), darzustellen, führen bei Verwendung von NaF und Natriumfluorosulfinat nicht zum Ziel, während bei der Reaktion mit AsF3 II im Reaktionsgemisch NMR‐spektroskopisch nachgewiesen werden kann. Die Umsetzung von POCl2F mit P4O10 in überschüssigem Pyridin führt zu einem Gemisch aus I und II, aus dem jedoch II nur schwer isolierbar ist. In p… Show more

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Cited by 5 publications
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“…This lack of structural parameters for the SO 2 F - anion was surprising since KSO 2 F was proposed as activated fluoride for a long time. , In fact, besides the investigations by Seel et al., , it was used for only a few syntheses. Furthermore, we found in the course of our investigations of alkali metal fluoride catalyzed reactions that fluorosulfites, which are readily formed in the presence of traces of sulfur dioxide, act as deactivators. This apparent contradiction and a recently found unusual reaction of CsF with SO 2 enhanced by ultrasound (eq 1) gave rise to investigations of the fluorosulfinate salts…”
Section: Introductionmentioning
confidence: 82%
“…This lack of structural parameters for the SO 2 F - anion was surprising since KSO 2 F was proposed as activated fluoride for a long time. , In fact, besides the investigations by Seel et al., , it was used for only a few syntheses. Furthermore, we found in the course of our investigations of alkali metal fluoride catalyzed reactions that fluorosulfites, which are readily formed in the presence of traces of sulfur dioxide, act as deactivators. This apparent contradiction and a recently found unusual reaction of CsF with SO 2 enhanced by ultrasound (eq 1) gave rise to investigations of the fluorosulfinate salts…”
Section: Introductionmentioning
confidence: 82%