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. Author manuscript; available in PMC: 2014 Mar 20.
Published in final edited form as: Bioconjug Chem. 2013 Feb 14;24(3):473–486. doi: 10.1021/bc300610f

Scheme 1.

Scheme 1

Syntheses of iron-free (1a–3a) and iron-bound (3a-Fe) hydroxamate siderophores.a

aReagents and conditions: (a) 10% Pd-C, H2 (1 atm), MeOH; 6 h, 88% for 1a; 4.5 h, 90% for 2a; 11 h, 86% for 3a. (b) Fe(acac)3, MeOH; 4 h, 99% for 3a-Fe.