Umpolung of Electrophilic Terminal Phosphinidene Complexes by Interaction with Nucleophilic Carbenes

Umpolung of Electrophilic Terminal Phosphinidene Complexes by Interaction with Nucleophilic Carbenes

Reaction of the electrophilic terminal phosphinidene complex 2 with the stable nucleophilic carbene 1 leads to an adduct with inversion of polarity at the phosphorus atom. Zwitterionic 3 exhibits nucleophilic character at the phosphorus atom through protonation and alkylation reactions, and can be c...

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Veröffentlicht in:Chemistry, an Asian journal an Asian journal, 2009-08, Vol.4 (8), p.1225-1228
Hauptverfasser: Huy, Ngoc Hoa Tran, Donnadieu, Bruno, Bertrand, Guy, Mathey, François
Format: Artikel
Sprache:eng
Schlagworte:
carbenes
phosphorus
umpolung
zwitterions
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Zusammenfassung:Reaction of the electrophilic terminal phosphinidene complex 2 with the stable nucleophilic carbene 1 leads to an adduct with inversion of polarity at the phosphorus atom. Zwitterionic 3 exhibits nucleophilic character at the phosphorus atom through protonation and alkylation reactions, and can be converted back into its original two components by reactions with electron‐poor heterodienes.
ISSN:1861-4728
1861-471X
DOI:10.1002/asia.200900177