Organic Letters 2014-07-03

Diversity-oriented synthesis of azapeptides with basic amino acid residues: aza-lysine, aza-ornithine, and aza-arginine.

Mariam Traoré, Ngoc-Duc Doan, William D Lubell

Index: Org. Lett. 16(13) , 3588-91, (2014)

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Abstract

Aza-peptides with basic amino acid residues (lysine, ornithine, arginine) and derivatives were synthesized by an effective approach featuring alkylation of a hydrazone-protected aza-glycine residue with α-bromo ω-chloro propane and butane to provide the corresponding alkyl chloride side chains. Displacement of the chloride with azide and various amines gave entry to azaOrn, azaLys, and azaArg containing peptides as demonstrated by the solution and solid-phase syntheses of 29 examples, including an aza-library of Growth Hormone Releasing Peptide-6 analogs.

Related Compounds

  • L-Lysine
  • L(+)-Ornithine hy...
  • L-(+)-Lysine mono...
  • D-Ornithine monoh...
  • L-arginine
  • H-DL-Orn-OH.HC...
  • L-Lysine monoacet...
  • L-Ornithine,hydro...
  • GHRP-6 Acetate

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