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A stable cation of a CSi3P five-membered ring with a weakly coordinating chloride anion |
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| Authors: | Sen Sakya S Hey Jakob Eckhardt Maria Herbst-Irmer Regine Maedl Eric Mata Ricardo A Roesky Herbert W Scheer Manfred Stalke Dietmar |
| Affiliation: | 1. Institut für Anorganische Chemie der Universit?t G?ttingen, Tammannstrasse 4, 37077 G?ttingen (Germany);2. Institut für Anorganische Chemie der Universit?t Regensburg, Universit?tsstrasse 31, 93053 Regensburg (Germany);3. Institut für Physikalische Chemie der Universit?t G?ttingen, Tammannstrasse 6, 37077 G?ttingen (Germany) |
| Abstract: | Don't count on counterions: The cyclic five-membered CSi(3)P cation 1 is synthesized in the reaction of benzamidinato-stabilized chlorosilylene and methyl phosphaalkyne. The presence of four π?electrons in 1 means it can be considered as a formal, heavier analogue of the cyclopentadienyl cation. Surprisingly the small counteranion (Cl(-)) does not contribute to the ring stability. |
| Keywords: | cations phosphaalkyne phosphorus heterocycles Si ligands silylene |
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