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Título : Efficient and selective removal of methoxy protecting groups in carbohydrates
Autor : Boto, Alicia, Hernández, Dácil, Hernández, Rosendo, Suárez, Ernesto
Fecha de publicación : 21-Sep-2004
Editor: American Chemical Society
Citación : Organic Letters 6(21): 3785-3788 (2004)
Resumen: [Reaction: see text] The selective removal from carbohydrate substrates of methoxy protecting groups next to hydroxy groups is reported. On treatment with PhI(OAc)(2)-I(2), the methoxy group is transformed into an easily removable acetal. The mild conditions of this methodology are compatible with many functional groups, and good to excellent yields are usually achieved.
Descripción : 4 pages, 1 table, 4 schemes.-- PMID: 15469349 [PubMed].-- Printed version published Oct 14, 2004.
Supporting information available: Synthesis of substrate 12 and General Procedure for the one-pot protecting group transformation-hydrolysis. 1H and 13C NMR spectra and spectroscopic data for several compounds.-- Available at:
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ISSN: 1523-7060
DOI: 10.1021/ol048439+
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