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- W2009508625 abstract "Pentafluorosulfanylamines, R2NSF5 (R2NEt2N, piperidyl) react with AsF5 to give stable persulfuranonium hexafluoroarsenates, Et2NSF4+AsF6− (4) and PipSF4+AsF6− (5), respectively. At low temperatures, SF5NS(O)F2 forms an unstable adduct SF5NS(O)F2·AsF5 (12), which dissociates reversibly into the starting materials on warming, while the corresponding SF5NSF2·AsF5 (14) is readily decomposed in liquid SO2 to give OSF2 and AsF5·NSF3 (15). In the absence of solvent and in the presence of excess AsF5, slow decomposition to SF3+AsF6− and 15 was observed. [(Me2N)2SF2]2+ (AsF6−)2 (16) adds HF with the formation of a salt containing a pentacoordinated sulfur(VI) dication, [Me2NSF3NMe2H)2+ (AsF6-)2 (17). Pentafluorosulfanylamine, R2NSF5 (R2NEt2N, Piperidyl) reagieren mit AsF5 zu stabilen Persulfuranonium- Hexafluorarsenaten, Et2NSF4+ AsF6- (4) und PipSF4+ AsF6- (5). Bei tiefen Temperaturen, bildet SF5NS(O)F2 ein instabiles Addukt SF5NS(O)F2·AsF5 (12), das beim Erwärmen reversibel in die Ausgangsverbindungen dissoziiert. Das korrespondierende F5SNSF2·AsF5 (14) wird in flüssigem SO2 rasch zu OSF2 unde AsF5·NSF3 (15) zersetzt. Ohne Lösungsmittel erfolgt in Gegenwart von überschüssigem AsF5 langsam Zersetzung zu SF3+ AsF6− und 15 [(Me2N)2SF2]2+ (AsF6−)2 (16) addiert HF unter Bildung eines Salzes mit einem pentakoordiniertem Schwefel (VI)- Dikation [Me2NSF3NMe2H]2+(AsF6−)2 (17)." @default.
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- W2009508625 title "Pentakoordinierte Schwefel(VI)-Salze" @default.
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