Peptides containing 4-amino-1,2-dithiolane-4-carboxylic acid (Adt): conformation of Boc-Adt-Adt-NHMe and NH...S interactions (Articolo in rivista)

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Label
  • Peptides containing 4-amino-1,2-dithiolane-4-carboxylic acid (Adt): conformation of Boc-Adt-Adt-NHMe and NH...S interactions (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • Morera, Enrico; Nalli, Marianna; Mollica, Adriano; Paradisi, Mario Paglialunga; Aschi, Massimiliano; Gavuzzo, Enrico; Mazza, Fernando; Lucente, Gino. (2005)
    Peptides containing 4-amino-1,2-dithiolane-4-carboxylic acid (Adt): conformation of Boc-Adt-Adt-NHMe and NH...S interactions
    in Journal of peptide science (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Morera, Enrico; Nalli, Marianna; Mollica, Adriano; Paradisi, Mario Paglialunga; Aschi, Massimiliano; Gavuzzo, Enrico; Mazza, Fernando; Lucente, Gino. (literal)
Pagina inizio
  • 104 (literal)
Pagina fine
  • 112 (literal)
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  • 11 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Morera E. Univ. Roma La Sapienza, Dipartimento Studi Farmaceutici Nalli M. -Univ. Roma La Sapienza, Dipartimento Studi Farmaceutici Mollica A. ICB-CNR, Roma Paglialunga Paradisi M. -Univ. Roma La Sapienza, Dipartimento Studi Farmaceutici Aschi M. -Univ. Aquila, Dipartimento Chim. Ingn. Chim. & Mat. Gavuzzo E. -IC-CNR, Roma Mazza F. -Univ. Aquila, Dipartimento Chim. Ingn. Chim. & Mat. Lucente G. -Univ. Roma La Sapienza, Dipartimento Studi Farmaceutici (literal)
Titolo
  • Peptides containing 4-amino-1,2-dithiolane-4-carboxylic acid (Adt): conformation of Boc-Adt-Adt-NHMe and NH...S interactions (literal)
Abstract
  • To study the conformational preferences induced by the insertion of the 4-amino-1,2-dithiolane-4-carboxylic acid (Adt) residue into a peptide backbone, the achiral N-protected dipeptide methylamide Boc-Adt-Adt-NHMe (1) was synthesized and its crystal state and solution conformation studied and compared with that exhibited by its carba-analogue Boc-Ac(5)c-Ac(5)c-NHMe containing two residues of 1-aminocyclopentane-1-carboxylic acid (Ac(5)c). Compound 1 in the crystal adopts a type-III beta-turn conformation and an analogous structure is that preferred in chloroform solution as established by H-1-NMR and NOE information. In the crystal packing three different Adt rings form a cavity and the involved sulphur atoms give rise to unusual multiple interactions with one NH group. The chemical nature of these intermolecular and intramolecular main-chain(...)side-chain (NHS)-S-... interactions are discussed in terms of quantum chemical calculations. (literal)
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