Gold(I) Complexes of KITPHOS Monophosphines: Efficient Cycloisomerisation Catalysts

Gold(I) Complexes of KITPHOS Monophosphines: Efficient Cycloisomerisation Catalysts

Gold(I)‐triflimide (AuNTf2)complexes of H‐KITPHOS and o‐MeO‐KITPHOS have been prepared and shown to be efficient catalysts for a range of intramolecular cyclisations to afford phenols, acylindenes, alkylidene oxazoles, tetrahydropyrans and lactones, in the majority of cases these catalysts are super...

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Veröffentlicht in:Advanced synthesis & catalysis 2009-03, Vol.351 (4), p.576-582
Hauptverfasser: Hashmi, A. Stephen K., Loos, Annette, Littmann, Anna, Braun, Ingo, Knight, Julian, Doherty, Simon, Rominger, Frank
Format: Artikel
Sprache:eng
Schlagworte:
alkynes
cyclization
gold
heterocycles
homogeneous catalysis
KITPHOS
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Zusammenfassung:Gold(I)‐triflimide (AuNTf2)complexes of H‐KITPHOS and o‐MeO‐KITPHOS have been prepared and shown to be efficient catalysts for a range of intramolecular cyclisations to afford phenols, acylindenes, alkylidene oxazoles, tetrahydropyrans and lactones, in the majority of cases these catalysts are superior to those previously reported.
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.200800681