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Gold-catalyzed direct cycloketalization of acetonide-tethered alkynes in the presence of water

AuthorsAlcaide, Benito ; Almendros, Pedro ; Carrascosa, Rocío
Issue Date2012
PublisherPergamon Press
CitationTetrahedron 68: 9391- 9396 (2012)
AbstractA methodology for the direct preparation of bridged acetals from acetonide-tethered alkynes under gold catalysis in the presence of water has been developed. The bicyclic ring structures bearing a bridged five-membered ring arise from the regioselective bis-oxycyclization by initial attack of the oxygen atom to the internal alkyne carbon. © 2012 Elsevier Ltd. All rights reserved.
Identifiersdoi: 10.1016/j.tet.2012.09.030
issn: 0040-4020
Appears in Collections:(IQOG) Artículos
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