Chemically modified tetranitro-oxacalix[4]arenes: synthesis and conformational preferences of tetra-N-(1-octyl)ureido-oxacalix[4]arenes (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Chemically modified tetranitro-oxacalix[4]arenes: synthesis and conformational preferences of tetra-N-(1-octyl)ureido-oxacalix[4]arenes (Articolo in rivista) (literal)

Anno

• 2009-01-01T00:00:00+01:00 (literal)

Alternative label

• C.Capici, D.Garozzo, G.Gattuso, A.Messina, A.Notti, M.F.Parisi, I.Pisagattia, S.Pappalardo (2009)
  Chemically modified tetranitro-oxacalix[4]arenes: synthesis and conformational preferences of tetra-N-(1-octyl)ureido-oxacalix[4]arenes
  
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• C.Capici, D.Garozzo, G.Gattuso, A.Messina, A.Notti, M.F.Parisi, I.Pisagattia, S.Pappalardo (literal)

Pagina inizio

• 199 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• VIII (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note

• ImpactFactor=1,253 (literal)

Note

• ISI Web of Science (WOS) (literal)

Titolo

• Chemically modified tetranitro-oxacalix[4]arenes: synthesis and conformational preferences of tetra-N-(1-octyl)ureido-oxacalix[4]arenes (literal)

Abstract

• Tetranitro-oxacalix[4]arenes 1–5, prepared by direct SNAr reaction of 1,5-difluoro-2,4-dinitrobenzene with the appropriate aromatic diol (pyrocatechol, resorcinol, hydroquinone,2,7-dihydroxynaphthalene, and 4,4-dihydroxybiphenyl), were subjected to Raney-nickel reduction to provide the corresponding tetraamino-oxacalix[4]arenes 6–10, which upon treatment with an excess of 1-octyl isocyanate were converted into the title compounds 11–15,featuring a pair of 1,3-bis-[N-(1-octyl)ureido]phenylene moieties doubly connected at their 4,6-positions by rigid spacers of varied geometry. All new oxacalix[4]arenes were characterized by MALDI-TOF spectrometry and NMR spectroscopy. H NMR data and ab initio calculations support saddle-shaped conformations for oxacalix[4]arenes incorporating pyrocatechol, resorcinol and 2,7-dihydroxynaphthalene nucleophilic components, and boatshaped conformations for derivatives possessing hydroquinone and 4,4´-dihydroxybiphenyl spacers. (literal)

Prodotto di

• Institute of chemistry and technology of polymers (ICTP) (Istituto)
• Glicomica e Proteomica per la ricerca di biomarcatori per la diagnosi e la terapia di patologie congenite, tumorali e infiammatorie. (PM.P06.013.001) (Modulo)

Autore CNR

• ANGELA MESSINA (Persona)
• DOMENICO GAROZZO (Unità di personale interno)

Incoming links:

Autore CNR di

• DOMENICO GAROZZO (Unità di personale interno)
• ANGELA MESSINA (Persona)

Prodotto

• Institute of chemistry and technology of polymers (ICTP) (Istituto)
• Glicomica e Proteomica per la ricerca di biomarcatori per la diagnosi e la terapia di patologie congenite, tumorali e infiammatorie. (PM.P06.013.001) (Modulo)