Synthesis 2016; 48(23): 4149-4154
DOI: 10.1055/s-0035-1560564
paper
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Erythrochelin: A Hydroxamate-Type Siderophore from Saccharopolyspora erythraea

Michiyasu Nakao
Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, Tokushima 770-8505, Japan   Email: ssano@tokushima-u.ac.jp
,
Shunsuke Tsuji
Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, Tokushima 770-8505, Japan   Email: ssano@tokushima-u.ac.jp
,
Syuji Kitaike
Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, Tokushima 770-8505, Japan   Email: ssano@tokushima-u.ac.jp
,
Shigeki Sano*
Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, Tokushima 770-8505, Japan   Email: ssano@tokushima-u.ac.jp
› Author Affiliations
Further Information

Publication History

Received: 03 July 2016

Accepted after revision: 19 July 2016

Publication Date:
24 August 2016 (online)


Abstract

Erythrochelin, a hydroxamate-type siderophore produced by Saccharopolyspora erythraea, is synthesized for the first time. A key building block of erythrochelin containing the 2,5-diketopiperazine ring is prepared by intramolecular cyclization of the corresponding dipeptide precursor derived from two kinds of protected δ-N-hydroxy-l-ornithines. Consecutive condensation of the building block with protected d-serine and protected δ-N-hydroxy-d-ornithine, followed by deprotection, furnishes erythrochelin.

Supporting Information