Lewis acid mediated cyclisations of silylated methylenecyclopropyl hydrazones

Lewis acid mediated cyclisations of silylated methylenecyclopropyl hydrazones

Silylated methylenecyclopropyl hydrazones on treatment with BF3 x Et2O cyclise to give heterocyclic products involving a novel sequence of hydride and silyl shifts via a series of increasingly stable cationic intermediates.

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2003-01 (20), p.2552-2553
Hauptverfasser: Patient, Lee, Berry, Malcolm B, Coles, Simon J, Hursthouse, Mike B, Kilburn, Jeremy D
Format: Artikel
Sprache:eng
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Zusammenfassung:Silylated methylenecyclopropyl hydrazones on treatment with BF3 x Et2O cyclise to give heterocyclic products involving a novel sequence of hydride and silyl shifts via a series of increasingly stable cationic intermediates.
ISSN:1359-7345
1364-548X
DOI:10.1039/b306636c