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Semisynthetic preparation of leucomycin derivatives: Introduction of aromatic side chains by reductive amination

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Abstract

A small library of leucomycin A7 derivatives was prepared by NaCNBH3/ZnCl2-mediated reductive amination of the C18 aldehyde moiety with a variety of lipophilic benzylamines and tested for antibiotic activity.

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Abbreviations

Bnz:

benzyl

BOC:

tert-butyloxycarbonyl

br:

broad

Cy:

cyclohexyl

DCC:

dicyclohexyl carbodiimide

DCM:

methylene chloride

DMAP:

4-N,N-dimethylaminopyridine

NHS:

N-hydroxysuccinimide

NP:

normal phase

TEA:

triethylamine

TLC:

thin-layer chromatography

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Correspondence to Christian Hertweck.

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Gebhardt, P., Gräfe, U., Möllmann, U. et al. Semisynthetic preparation of leucomycin derivatives: Introduction of aromatic side chains by reductive amination. Mol Divers 9, 27–32 (2005). https://doi.org/10.1007/s11030-005-1304-z

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  • DOI: https://doi.org/10.1007/s11030-005-1304-z

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