1,4- to 1,5-Homologation of Alkene−Carbene and Alkyne−Carbene Complexes of Chromium and Tungsten: The Clue to Reactivity

1,4- to 1,5-Homologation of Alkene−Carbene and Alkyne−Carbene Complexes of Chromium and Tungsten: The Clue to Reactivity

The carbene carbon of 1,4-alkene and -alkyne carbene complexes of chromium and tungsten (1 and 2) reacts with nucleophiles such as hydrides originating from dihydropyridine and methyllithium to give upon CO and alkyne (or alkene) insertions polycyclic lactones 6 and 7, cyclopentanones 10 and 11, and...

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Veröffentlicht in:Organometallics 2005-01, Vol.24 (1), p.1-3
Hauptverfasser: Rudler, Henri, Parlier, Andrée, del Pilar Peregrina, Maria, Vaissermann, Jacqueline
Format: Artikel
Sprache:eng
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Zusammenfassung:The carbene carbon of 1,4-alkene and -alkyne carbene complexes of chromium and tungsten (1 and 2) reacts with nucleophiles such as hydrides originating from dihydropyridine and methyllithium to give upon CO and alkyne (or alkene) insertions polycyclic lactones 6 and 7, cyclopentanones 10 and 11, and cyclopentanols 12.
ISSN:0276-7333
1520-6041
DOI:10.1021/om0491286