Journal
MACROMOLECULES
Volume 53, Issue 15, Pages 6589-6597Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.macromol.0c00470
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Funding
- National Science Foundation [CHE-1709820]
- National Science Foundation, Division of Biological Infrastructure [DBI0100085]
- NMR Laboratory of the School of Chemistry, UIUC
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The application of synthetic polypeptides is greatly limited by the difficulty of the purification and polymerization of N-carboxyanhydrides (NCAs). Here, we report a streamlined, controlled synthesis of polypeptides directly from amino acids, avoiding the NCA purification, by adding small-molecular amine scavengers (AS) in situ to efficiently eliminate the remaining organic impurities in the emulsion polymerization system. Such a process enables controlled synthesis of PEG-containing, homo, block, and random polypeptides in a highly consistent manner under open-air condition, directly from amino acid derivatives in various formats and independent of NCA preparation methods.
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