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Bowl shaped monodentate phosphines by condensation of imidazole units with boranes: dedicated to our esteemed colleague Professor Dr. Peter Comba on the occasion of his 65th birthday

The condensation of imidazole moieties with boranes leading to molecular units with N-BR2-N bridges was accomplished by attaching three imidazole units to a single phosphorus atom. In this way, boron bridged trisimidazolylphosphines 3-7 were synthesized in good yields. The chiral derivatives 5a, 5d,...

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Bibliographische Detailangaben
Hauptverfasser: Schall, Helene (VerfasserIn) , Fritz, Olaf (VerfasserIn) , Schikora, Margot (VerfasserIn) , Elias, Jana (VerfasserIn) , Pritzkow, Hans (VerfasserIn) , Wadepohl, Hubert (VerfasserIn) , Enders, Markus (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 2018
In: Zeitschrift für anorganische und allgemeine Chemie
Year: 2018, Jahrgang: 644, Heft: 14, Pages: 630-645
ISSN:1521-3749
DOI:10.1002/zaac.201800016
Online-Zugang:Verlag, Volltext: https://doi.org/10.1002/zaac.201800016
Verlag, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/zaac.201800016
Volltext
Verfasserangaben:Helene Schall, Olaf Fritz, Margot Schikora, Jana Elias, Hans Pritzkow, Hubert Wadepohl, and Markus Enders
Beschreibung
Zusammenfassung:The condensation of imidazole moieties with boranes leading to molecular units with N-BR2-N bridges was accomplished by attaching three imidazole units to a single phosphorus atom. In this way, boron bridged trisimidazolylphosphines 3-7 were synthesized in good yields. The chiral derivatives 5a, 5d, 6, and 7 are C3 symmetric, whereas 5b and 5c carry no symmetry element (C1). The steric bulk of the ligands can easily be tuned by introduction of different substituents at the three bridging boron atoms. All phosphines feature small CPC angles between 91-93° leading to a s-type lone pair donor at the phosphorus atom combined with reasonable π-accepting properties. Ni (8) and Au metal complexes (9, 10) with very short metal phosphorus bonds were synthesized. The short metal-phosphorus distance is a consequence of the pronounced s-character of the phosphine lone pair.
Beschreibung:Gesehen am 20.05.2019
Beschreibung:Online Resource
ISSN:1521-3749
DOI:10.1002/zaac.201800016

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