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Type: Artigo de periódico
Title: The addition of 2-tert-butyldimethylsilyloxyfuran to cyclic N-acyliminium ions containing cyclohexyl-based chiral auxiliaries
Author: D'Oca, MGM
Pilli, RA
Vencato, I
Abstract: The vinylogous Mannich addition of silyloxyfuran 5 to chiral five- and six-membered N-acyliminium ions derived from 3/4a,b occurred exclusively through the addition to the N-acyliminium Si face to provide threo-6/7a,b as the major isomer (73-84% yield, 2:1-7:1 diastereoisomeric ratio) which were converted to the corresponding bicyclic lactams 10 and 11 with efficient recovery of the chiral auxiliary. (C) 2000 Elsevier Science Ltd. All rights reserved.
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Citation: Tetrahedron Letters. Pergamon-elsevier Science Ltd, v. 41, n. 50, n. 9709, n. 9712, 2000.
Rights: fechado
Identifier DOI: 10.1016/S0040-4039(00)01749-4
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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