Synthesis of bis-peptides attached on poly[n]norbornene molecular scaffolds with well-defined relative positions and distances

Mol Divers. 2011 May;15(2):541-60. doi: 10.1007/s11030-010-9279-9. Epub 2010 Sep 21.

Abstract

This article describes novel synthetic approaches to polynorbornene molecular scaffolds substituted with peptides at various, well-defined positions. A library of norbornene building blocks with attached peptides was prepared. Alkene cyclobutane epoxide (ACE) coupling method was used as a key step reaction for the connection of two norbornene building blocks into bis-peptide scaffolds. Photodimerization of cyclobutene diesters offers an alternative route to polynorbornene bis-peptides. Pyrrolo-peptides were used for preparation of peptide-substituted 7-aza norbornenes. Asymmetrical bis-peptide scaffolds were prepared by ACE coupling of peptide-norbornane epoxide with another norbornene-peptide block. Chemical elaboration of bridgehead dimethyl esters of ACE products or epoxide ACE reagents was also used for peptide attachment.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Models, Molecular
  • Norbornanes / chemistry*
  • Peptides / chemical synthesis*
  • Peptides / chemistry*
  • Peptidomimetics

Substances

  • Norbornanes
  • Peptides
  • Peptidomimetics