Stereocontrolled synthesis of hydroxyethylamine isosteres via chiral sulfoxide chemistry (Articolo in rivista)

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Label
  • Stereocontrolled synthesis of hydroxyethylamine isosteres via chiral sulfoxide chemistry (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.tetlet.2004.04.160 (literal)
Alternative label
  • Pesenti C., Arnone A., Arosio P., Frigerio M., Meille S.V., Panzeri W., Viani F., Zanda M. (2004)
    Stereocontrolled synthesis of hydroxyethylamine isosteres via chiral sulfoxide chemistry
    in Tetrahedron letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pesenti C., Arnone A., Arosio P., Frigerio M., Meille S.V., Panzeri W., Viani F., Zanda M. (literal)
Pagina inizio
  • 5125 (literal)
Pagina fine
  • 5129 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0040403904009803 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 45 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 26 (literal)
Note
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Cristina Pesenti, Alberto Arnone, Paolo Arosio, Massimo Frigerio, Stefano V. Meille, Walter Panzeri, Fiorenza Viani, Matteo Zanda, CNR--Istituto di Chimica del Riconoscimento Molecolare, sezione `A. Quilico', and Dipartimento di Chimica, Materiali ed Ingegneria Chimica `G. Natta' del Politecnico di Milano, via Mancinelli 7, I-20131 Milano, Italy (literal)
Titolo
  • Stereocontrolled synthesis of hydroxyethylamine isosteres via chiral sulfoxide chemistry (literal)
Abstract
  • A novel synthesis of enantiopure hydroxyethylamine isosteres 1 has been developed. Reaction of lithiated ?-sulfinylethylamines 3 with N-Cbz-imines generated in situ from ?-amino-sulfones 4 afforded in good to excellent yields and moderate stereocontrol the 2-sulfinyl-1,3-diamines 2. The latter were submitted to the nonoxidative Pummerer reaction (NOPR) in CH2Cl2, that produced the target compounds 1 in very good yields with inversion of configuration. In some cases, the use of acetonitrile as solvent resulted in a double-inversion pathway, leading for example to the oxazolidinone 5. The total synthesis of an epimer of Saquinavir has been achieved by this method. (literal)
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