http://www.cnr.it/ontology/cnr/individuo/prodotto/ID15508
Slow tert-butyl ester acidolysis and peptide 3(10)-helix to alpha-helix transition in HFIP solution (Articolo in rivista)
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- Label
- Slow tert-butyl ester acidolysis and peptide 3(10)-helix to alpha-helix transition in HFIP solution (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/bip.20680 (literal)
- Alternative label
A. Moretto, M. Crisma, F. Formaggio, B. Kaptein, Q.B. Broxterman, T.A. Keiderling, C. Toniolo (2007)
Slow tert-butyl ester acidolysis and peptide 3(10)-helix to alpha-helix transition in HFIP solution
in Biopolymers (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- A. Moretto, M. Crisma, F. Formaggio, B. Kaptein, Q.B. Broxterman, T.A. Keiderling, C. Toniolo (literal)
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- Citazioni WOS: 9
Impact Factor 2007: 2.389
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- ISI Web of Science (WOS) (literal)
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- Institute of Biomolecular Chemistry, CNR, Department of Chemistry, University of Padova, 35131 Padova, Italy;
DSM Research, Life Sciences, Advanced Synthesis and Catalysis, 6160 MD Geleen, The Netherlands;
Department of Chemistry, University of Illinois at Chicago, Chicago, IL, USA (literal)
- Titolo
- Slow tert-butyl ester acidolysis and peptide 3(10)-helix to alpha-helix transition in HFIP solution (literal)
- Abstract
- We have already shown by CD and NMR techniques that the terminally protected homo-octapeptides Z (and Ac)-[L-(alpha Me) Val](8)-OtBu undergo a slow and irreversible 3(10)-helix to alpha-helix transition when dissolved in 1, 1, 1,3,3,3-hexafluoroisopropanol. In the present work, we find by HPLC and CD that under the aforementioned experimental conditions, a slow acidolysis of the tertbutyl ester functionality does take place affording the corresponding octapeptide free acids. The results of our combined chromatographic and spectroscopic experiments are confirmed by a comparison with the properties of independently synthesized and chemically characterized authentic compounds. (literal)
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