BETA-LACTAMS FROM ESTER ENOLATES AND SILYLIMINES - ENANTIOSELECTIVE SYNTHESIS OF THE TRANS-CARBAPENEM ANTIBIOTICS (+)-PS-5 AND (+)-PS-6 (Articolo in rivista)

Type
Label
  • BETA-LACTAMS FROM ESTER ENOLATES AND SILYLIMINES - ENANTIOSELECTIVE SYNTHESIS OF THE TRANS-CARBAPENEM ANTIBIOTICS (+)-PS-5 AND (+)-PS-6 (Articolo in rivista) (literal)
Anno
  • 1991-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jo00021a007 (literal)
Alternative label
  • ANDREOLI, P; CAINELLI, G; PANUNZIO, M; BANDINI, E; MARTELLI, G; SPUNTA, G (1991)
    BETA-LACTAMS FROM ESTER ENOLATES AND SILYLIMINES - ENANTIOSELECTIVE SYNTHESIS OF THE TRANS-CARBAPENEM ANTIBIOTICS (+)-PS-5 AND (+)-PS-6
    in Journal of organic chemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • ANDREOLI, P; CAINELLI, G; PANUNZIO, M; BANDINI, E; MARTELLI, G; SPUNTA, G (literal)
Pagina inizio
  • 5984 (literal)
Pagina fine
  • 5990 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pubs.acs.org/doi/abs/10.1021/jo00021a007?journalCode=joceah&quickLinkVolume=56&quickLinkPage=5984&selectedTab=citation&volume=56 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 56 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 21 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR); Consiglio Nazionale delle Ricerche (CNR) (literal)
Titolo
  • BETA-LACTAMS FROM ESTER ENOLATES AND SILYLIMINES - ENANTIOSELECTIVE SYNTHESIS OF THE TRANS-CARBAPENEM ANTIBIOTICS (+)-PS-5 AND (+)-PS-6 (literal)
Abstract
  • A new synthetic route to the antibiotics (+)-PS-5 and (+)-PS-6 is described. The preparation involves a fully stereocontrolled reaction between the enantiomerically pure N-trimethylsilylimine of lactic or mandelic aldehyde and the lithium enolate of the tert-butyl butanoate or tert-butyl isovalerate, respectively. Conversion of the azetidinones obtained to 4-acetoxy derivatives via oxidative cleavage of the hydroxyethyl or hydroxybenzyl side chain and introduction of the necessary appendage in the position 4 of the azetidinone ring, followed by assemblage of the bicyclic ring system, afforded the natural trans-carbapenems (+)-PS-5 and (+)-PS-6. (literal)
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Autore CNR

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