Concise Chemoenzymatic Total Synthesis of GE81112 B1 and Simplified Analogs Enable Elucidation of Its Key Pharmaco-phores

21 July 2020, Version 2
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

We report a chemoenzymatic total synthesis of GE81112 B1 that employs biocatalytic hydroxylation to prepare two of the key monomers of the target natural product. By pairing this strategy with traditional organic chemistry, we were able to synthesize GE81112 B1 in 11 steps. Following this strategy, six GE81112 analogs were synthesized, allowing for elucidation of its key pharmacophores.

Keywords

nonribosomal peptide
total synthesis
antibiotic
hydroxylation
nonheme dioxygenase

Supplementary materials

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GE81112 SI FINAL
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