A simple direct phosgeneless route to N-heteroaryl unsymmetrical ureas (Articolo in rivista)

Type
Label
  • A simple direct phosgeneless route to N-heteroaryl unsymmetrical ureas (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c1gc15984d (literal)
Alternative label
  • Carafa, Marianna; Mele, Valentina; Quaranta, Eugenio (2012)
    A simple direct phosgeneless route to N-heteroaryl unsymmetrical ureas
    in Green chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carafa, Marianna; Mele, Valentina; Quaranta, Eugenio (literal)
Pagina inizio
  • 217 (literal)
Pagina fine
  • 225 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 14 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Bari Aldo Moro; Consiglio Nazionale delle Ricerche (CNR); Consorzio INCA (literal)
Titolo
  • A simple direct phosgeneless route to N-heteroaryl unsymmetrical ureas (literal)
Abstract
  • A new simple approach to the synthesis of unsymmetrical ureas HetNC(O)NRR' (HetNH = pyrrole, indole, carbazole; R, R' = H, alkyl, aryl) has been explored, which involves the direct reaction of the N-phenoxycarbonyl derivatives of pyrrole, indole and carbazole, HetNCO(2)Ph, with amines. The aminolysis reaction can be catalyzed by the amidine base DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) under usually very mild conditions and provides a straightforward convenient entry into the target products through a route which avoids the traditional protocols based on multistep procedures and toxic phosgene or phosgene-derivatives. (literal)
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