Expedient synthesis of pseudo-Pro-containing peptides: towards constrained peptidomimetics and foldamers?

Organic & Biomolecular Chemistry Pub Date: 2012-01-13 DOI: 10.1039/C2OB07172J

Abstract

The reaction of sulfonyl peptides containing L- or D-configured Ser or Thr with bis(succinimidyl) carbonate in the presence of a catalytic amount of a base affords, in solution or in the solid phase, the corresponding peptides with one or two, consecutive or alternate oxazolidin-2-ones (Oxd). The Oxd ring can be regarded to as a pseudo-Pro with an exclusively trans conformation of the preceding peptide bond; homochiral Oxd-containing peptides adopt extended conformations, while the presence of a D-configured Oxd favours folded conformations.

Graphical abstract: Expedient synthesis of pseudo-Pro-containing peptides: towards constrained peptidomimetics and foldamers
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