Poly-L-proline type II peptide mimics based on the 3-azabicyclo[3.1.0]hexane system

A. Mamai, R. Zhang, A. Natarajan, J. S. Madalengoitia

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36 Scopus citations


This paper describes conformational studies of proline-templated amino acids (PTAAs) based on the 3-azabicyclo[3.1.0]hexane system as well as conformational studies on short peptides composed of these PTAAs. NOE data, coupling constants, and molecular modeling are consistent with a flattened boat conformation for monomeric and oligomeric residues based on this bicyclic system. NMR studies on dimeric and trimeric oligomers are consistent with a populated poly-L-proline type II conformation in CDCl3 and D2O. Solution studies and molecular modeling predicts φ ∼ -70°, ψ ∼ 131°, χ1 ∼ -57°, and χ2 ∼ -158° for oligomeric residues.

Original languageEnglish (US)
Pages (from-to)455-460
Number of pages6
JournalJournal of Organic Chemistry
Issue number2
StatePublished - Jan 26 2001
Externally publishedYes

ASJC Scopus subject areas

  • Organic Chemistry


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