A route to diastereomerically pure phenylglycine thioester peptides: crucial intermediates for investigating glycopeptide antibiotic biosynthesis†
Julien
Tailhades, 
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Max J.
Cryle
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ab
Max J.
Cryle
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Abstract
Non-ribosomal peptides contain an array of amino acid building blocks that can present challenges for the synthesis of important intermediates. Here, we report the synthesis of glycopeptide antibiotic (GPA) thioester peptides that retains the crucial stereochemical purity of the terminal phenylglycine residue, which we show is essential for the enzymatic GPA cyclisation cascade.
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