2011
DOI: 10.1002/ange.201100338
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Cyclopropenylyliden‐stabilisierte Di(aryl/alkyl)phospheniumkationen: Anwendungen in der homogenen Gold‐Katalyse

Abstract: Kationisch, aber dennoch elektronenreich: Cyclopropenylyliden‐stabilisierte Phospheniumkationen sind elektronenreich wie klassische Tri(aryl/alkyl)phosphane, obwohl sie eine positive Ladung tragen, wobei der kationische Substituent direkt an das Phosphoratom gebunden ist. Diese beiden Eigenschaften wurden genutzt, um Goldkomplexe herzustellen, die nach Benutzung als Katalysator zurückgewonnen und wiederverwendet werden können.

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Cited by 35 publications
(6 citation statements)
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“…We recently targeted the synthesis of cyclopropenium‐substituted phosphines 1 a – f by condensation of the readily available 1‐chloro‐2,3‐bis(diisopropylamino)cyclopropenium tetrafluoroborate 2 with an array of secondary phosphines. Thus, the desired salts 1 a – f could be obtained in good to excellent yields as air‐stable white solids (Scheme ) 3a. Furthermore, to further increase the range of electronic properties of cyclopropenium‐substituted phosphines, we have now prepared compound 1 g , containing two very electron‐withdrawing 3,5‐bis(trifluoromethyl)phenyl substituents.…”
Section: Resultsmentioning
confidence: 99%
“…We recently targeted the synthesis of cyclopropenium‐substituted phosphines 1 a – f by condensation of the readily available 1‐chloro‐2,3‐bis(diisopropylamino)cyclopropenium tetrafluoroborate 2 with an array of secondary phosphines. Thus, the desired salts 1 a – f could be obtained in good to excellent yields as air‐stable white solids (Scheme ) 3a. Furthermore, to further increase the range of electronic properties of cyclopropenium‐substituted phosphines, we have now prepared compound 1 g , containing two very electron‐withdrawing 3,5‐bis(trifluoromethyl)phenyl substituents.…”
Section: Resultsmentioning
confidence: 99%
“…After a postdoctoral stay at the Max Planck Institute for Coal Research with A. Fürstner, in 2009 he obtained a position as a group leader at the same institution, where he is presently working toward his Habilitation. His research interests include ligand design and applications in catalysis,5 and activation of small molecules…”
Section: Awarded …︁mentioning
confidence: 99%
“…Nach einem Postdoc‐Aufenthalt 2009 am Max‐Planck‐Institut für Kohlenforschung bei A. Fürstner wurde er dort als Gruppenleiter angestellt und arbeitet derzeit an seiner Habilitation. Er beschäftigt sich mit dem Design von Liganden und ihrem Einsatz in der Katalyse5 sowie mit der Aktivierung niedermolekularer Moleküle…”
Section: Ausgezeichnet …︁unclassified