En Route to a Molecular Terminal Tin Oxide
In the pursuit of terminal tin chalcogenides, heteroleptic stannylenes bearing terphenyl- and hexamethyldisilazide ligands were reacted with carbodiimides to yield the respective guanidinato complexes. Further supported by quantum chemical calculations, this revealed that the iso-propyl-substituted...
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| Veröffentlicht in: | Inorganic chemistry 2024-04, Vol.63 (16), p.7455-7463 |
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| container_title | Inorganic chemistry |
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| creator | Kreßner, Leon Duvinage, Daniel Puylaert, Pim Graw, Nico Herbst-Irmer, Regine Stalke, Dietmar Townrow, Oliver P. E. Fischer, Malte |
| description | In the pursuit of terminal tin chalcogenides, heteroleptic stannylenes bearing terphenyl- and hexamethyldisilazide ligands were reacted with carbodiimides to yield the respective guanidinato complexes. Further supported by quantum chemical calculations, this revealed that the iso-propyl-substituted derivative provides the maximum steric protection achievable. Oxidation with elemental selenium produced monomeric terminal tin selenides with four-coordinate tin centers. In reactions with N2O as oxygen transfer reagent, silyl migration toward putative terminal tin oxide intermediates gave rise to tin complexes with terminal OSiMe3 functionality. To prevent silyl migration, the silyl groups were substituted with cyclohexyl moieties. This analogue exhibited distinctively different reactivities toward selenium and N2O, yielding a 1,2,3,4,5-tetraselenastannolane and chalcogenide-bridged dimeric compounds, respectively. |
| doi_str_mv | 10.1021/acs.inorgchem.4c00598 |
| format | Article |
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| title | En Route to a Molecular Terminal Tin Oxide |
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