4.4 Article

An expedient synthesis of orthogonally protected lysinoalanine from Aloc-protected Garner's aldehyde

Journal

TETRAHEDRON LETTERS
Volume 51, Issue 49, Pages 6381-6383

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.09.119

Keywords

Garner's aldehyde; Lantibiotic; Lysinoalanine; Reductive amination; Cinnamycin

Funding

  1. European Commission
  2. BBSRC [BB/D005469/1]
  3. EPSRC LSI Doctoral Training Centre [EP/F500416/1]
  4. EPSRC [EP/E052789/1]
  5. BBSRC [BB/D005469/1] Funding Source: UKRI
  6. EPSRC [EP/E052789/1] Funding Source: UKRI
  7. Biotechnology and Biological Sciences Research Council [BB/D005469/1] Funding Source: researchfish
  8. Engineering and Physical Sciences Research Council [EP/E052789/1] Funding Source: researchfish

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An expedient synthesis of orthogonally protected lysinoalanine has been developed. We have prepared a novel Garner's aldehyde derivative bearing an Aloc group; reductive amination of this aldehyde with Fmoc-Lys-OPMB gave the lysinoalanine skeleton. This was then transformed into an orthogonally protected lysinoalanine derivative suitable for the synthesis of side-chain bridged cyclic peptides by solid phase peptide synthesis methods. (C) 2010 Elsevier Ltd. All rights reserved.

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