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Osmium-Catalyzed 7-endo Heterocyclization of Aromatic Alkynols into Benzoxepines

AuthorsVarela-Fernández, Alejandro; García-Yebra, Cristina ; Esteruelas, Miguel A.
Issue Date2010
Citation Angewandte Chemie International Edition 49(25): 4278-4281 (2010)
AbstractThe wizard of Os: Regioselective osmium-catalyzed 7-endo heterocyclization of aromatic alkynols affords benzoxepines in good yields. The proposed catalytic cycle involves the key formation of osmium–vinylidene complexes via an alkynyl-hydride–osmium(IV) complex from the starting alkynol.
Identifiersdoi: 10.1002/anie.201000455
issn: 1433-7851
e-issn: 1521-3773
Appears in Collections:(ICMA) Artículos
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