Donath, Maximilian and Bodensteiner, Michael and Weigand, Jan J. (2014) Versatile Reagent Ph3As(OTf)(2): One-Pot Synthesis of [P-7(AsPh3)(3)][OTf](3) from PCl3. CHEMISTRY-A EUROPEAN JOURNAL, 20 (52). pp. 17306-17310. ISSN 0947-6539, 1521-3765
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Compound Ph3As(OTf)(2) as a pentacoordinated As-V Lewis acid readily forms dicationic Lewis acid/base adducts upon addition of various Lewis bases. It also represents a stronger chloride-abstracting agent than Me3SiOTf and facilitates the reductive coupling of PCl3 in the presence of AsPh3 to the unprecedented cation [P-7(AsPh3)(3)](3+) as triflate salt. This crystallographically characterized nortricyclane-type cation represents a P7R3-derivative with the most electron-withdrawing substituents, resulting in a pronounced effect on the structural parameters of the P-7 core.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | PHOSPHORUS; COMPLEXES; TETRAHEDRON; CHEMISTRY; CATIONS; BR; 1,2-dications; Lewis acids; nortricyclane; phosphorus; polycations |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Central Analytical Services |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 05 Aug 2019 08:22 |
| Last Modified: | 05 Aug 2019 08:22 |
| URI: | https://pred.uni-regensburg.de/id/eprint/9033 |
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