Activation of Acetonitrile with (C2F5)(3)PF2 and Amines

Bader J, Neumann B, Stammler H-G, Ignat'ev N, Hoge B (2018)
CHEMISTRY-A EUROPEAN JOURNAL 24(27): 6975-6982.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Acetonitrile is deprotonated by a combination of the strong Lewis acid (C2F5)(3)PF2 and triethylamine. The resulting cyanomethyl function is bound to the phosphorus moiety, affording the highly stable salt [HNEt3][P(C2F5)(3)F-2(CH2CN)]. Salt metathesis reactions furnished the corresponding [Cu(MeCN)(2)](+) and [Ag(MeCN)](+) derivatives in which the CH2CN substituent of the anion [P(C2F5)(3)F-2(CH2CN)](-) coordinates to the metal. An investigation of the gas separation capability of the silver salt [Ag(MeCN)][P(C2F5)(3)F-2(CH2CN)] shows an uptake of 1.7equivalents of isobutene from a propane/isobutene mixture. The reaction of (C2F5)(3)PF2 with acetonitrile and diethylamine furnishes [P(C2F5)(3)F-2{NHC(CH3)NEt2}]a phosphate featuring an amidine ligand which formally results from hydroamination of acetonitrile by HNEt2. Exchange of HNEt2 with the primary amines H2NPh and H2NBu leads to comparable amidine salts that exhibit a solvent-dependent conformational isomerism.
Stichworte
gas separation; hydroamination; Lewis acids; nitriles; phosphorus
Erscheinungsjahr
2018
Zeitschriftentitel
CHEMISTRY-A EUROPEAN JOURNAL
Band
24
Ausgabe
27
Seite(n)
6975-6982
ISSN
0947-6539
eISSN
1521-3765
Page URI
https://pub.uni-bielefeld.de/record/2920310

Zitieren

Bader J, Neumann B, Stammler H-G, Ignat'ev N, Hoge B. Activation of Acetonitrile with (C2F5)(3)PF2 and Amines. CHEMISTRY-A EUROPEAN JOURNAL. 2018;24(27):6975-6982.
Bader, J., Neumann, B., Stammler, H. - G., Ignat'ev, N., & Hoge, B. (2018). Activation of Acetonitrile with (C2F5)(3)PF2 and Amines. CHEMISTRY-A EUROPEAN JOURNAL, 24(27), 6975-6982. doi:10.1002/chem.201800682
Bader, J., Neumann, B., Stammler, H. - G., Ignat'ev, N., and Hoge, B. (2018). Activation of Acetonitrile with (C2F5)(3)PF2 and Amines. CHEMISTRY-A EUROPEAN JOURNAL 24, 6975-6982.
Bader, J., et al., 2018. Activation of Acetonitrile with (C2F5)(3)PF2 and Amines. CHEMISTRY-A EUROPEAN JOURNAL, 24(27), p 6975-6982.
J. Bader, et al., “Activation of Acetonitrile with (C2F5)(3)PF2 and Amines”, CHEMISTRY-A EUROPEAN JOURNAL, vol. 24, 2018, pp. 6975-6982.
Bader, J., Neumann, B., Stammler, H.-G., Ignat'ev, N., Hoge, B.: Activation of Acetonitrile with (C2F5)(3)PF2 and Amines. CHEMISTRY-A EUROPEAN JOURNAL. 24, 6975-6982 (2018).
Bader, Julia, Neumann, Beate, Stammler, Hans-Georg, Ignat'ev, Nikolai, and Hoge, Berthold. “Activation of Acetonitrile with (C2F5)(3)PF2 and Amines”. CHEMISTRY-A EUROPEAN JOURNAL 24.27 (2018): 6975-6982.

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