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In Situ Neutralization Protocols for Boc-SPPS.

Ramkrishna Adhikary1, Philip E Dawson2

  • 1Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|December 28, 2019
PubMed
Summary
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This study presents optimized manual in situ neutralization protocols for tert-butyloxycarbonyl solid-phase peptide synthesis (Boc-SPPS). These methods enable rapid synthesis of diverse peptide sequences with various C-terminal functionalities.

Area of Science:

  • Organic Chemistry
  • Biochemistry
  • Synthetic Chemistry

Background:

  • Solid-phase peptide synthesis (SPPS) is crucial for creating peptide sequences.
  • Established protocols like those by Kent and Alewood are widely used for Boc/Bzl SPPS.
  • Optimization is needed to streamline peptide synthesis and avoid extensive resynthesis.

Purpose of the Study:

  • To describe a modified manual in situ neutralization protocol for Boc-SPPS.
  • To demonstrate the protocol's effectiveness for rapid peptide synthesis.
  • To showcase its utility with various C-terminal functionalities.

Main Methods:

  • Manual in situ neutralization.
  • tert-butyloxycarbonyl (Boc) protection strategy.
  • Benzyl (Bzl) protecting groups.
Keywords:
AggregationBoc-SPPSLong peptidesRapid synthesisSolid-phase peptide synthesis

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  • Solid-phase peptide synthesis (SPPS).

    • Main Results:

    • The described protocol is robust and efficient for Boc-SPPS.
    • Rapid synthesis of peptides with diverse C-terminal functionalities was achieved.
    • The method minimizes the need for extensive optimization or resynthesis.

    Conclusions:

    • The optimized manual in situ neutralization protocol offers a highly effective approach for Boc-SPPS.
    • This method facilitates the rapid and efficient synthesis of peptides.
    • It is suitable for producing peptides with various C-terminal modifications.