Enantioselective synthesis of cis-7-methoxy-calamenene via Claisen rearrangement of an enzymatically resolved allyl alcohol (Articolo in rivista)

Type
Label
  • Enantioselective synthesis of cis-7-methoxy-calamenene via Claisen rearrangement of an enzymatically resolved allyl alcohol (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.tetasy.2003.11.021 (literal)
Alternative label
  • Brenna Elisabetta, Negri Claudia, Fuganti Claudio, Gatti Francesco G., Serra Stefano (2004)
    Enantioselective synthesis of cis-7-methoxy-calamenene via Claisen rearrangement of an enzymatically resolved allyl alcohol
    in Tetrahedron: asymmetry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Brenna Elisabetta, Negri Claudia, Fuganti Claudio, Gatti Francesco G., Serra Stefano (literal)
Pagina inizio
  • 335 (literal)
Pagina fine
  • 340 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 15 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR - ICRM Politecnico di Milano, dipartimento di chimica (literal)
Titolo
  • Enantioselective synthesis of cis-7-methoxy-calamenene via Claisen rearrangement of an enzymatically resolved allyl alcohol (literal)
Abstract
  • An enantioselective synthesis of cis-7-methoxy-calamenene 1 has been accomplished through the following key-steps: (i) enzymatic resolution of the racemic allyl alcohol 3 to furnish the (R)-enantiomer (ee >99%); (ii) Claisen-orthoester rearrangement of 4 to introduce the isopropyl unit on the benzylic position (99% ee); (iii) diastereoselective reduction of dihydronaphthalene derivative 11 to give the cis-isomer 12 (98% de); (iv) regioselective introduction of the formyl group by a Vilsmeier reaction followed by reduction to give 1. (literal)
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