Nucleophilic aromatic substitution on tricarbonylchromium complexed haloarenes: synthesis of O-aryloximes and their cyclization to benzofurans (Articolo in rivista)

Type
Label
  • Nucleophilic aromatic substitution on tricarbonylchromium complexed haloarenes: synthesis of O-aryloximes and their cyclization to benzofurans (Articolo in rivista) (literal)
Anno
  • 1987-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1055/s-1987-27888 (literal)
Alternative label
  • Alemagna Andreina; Baldoli Clara; Del Buttero Paola; Licandro Emanuela; Maiorana Stefano (1987)
    Nucleophilic aromatic substitution on tricarbonylchromium complexed haloarenes: synthesis of O-aryloximes and their cyclization to benzofurans
    in Synthesis (Stuttg.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alemagna Andreina; Baldoli Clara; Del Buttero Paola; Licandro Emanuela; Maiorana Stefano (literal)
Pagina inizio
  • 192 (literal)
Pagina fine
  • 196 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche; Università degli Studi di Milano (literal)
Titolo
  • Nucleophilic aromatic substitution on tricarbonylchromium complexed haloarenes: synthesis of O-aryloximes and their cyclization to benzofurans (literal)
Abstract
  • A series of O-aryloximes I have been prepd. from tricarbonylchromium-complexed haloarenes II and ketoximes under mild conditions. I underwent decomplexation in the presence of iodine and further cyclized in the presence of H2SO4 to give benzofuran derivs. E.g. II (R1 = H, X = Cl) reacted with R2CR3:NOH (R2 = R3 = Me) to give I (same R1, R2, R3). Sequential treatment of I with iodine followed by 98% H2SO4 gave benzofuran III. (literal)
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