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Related Experiment Video

Updated: Jun 4, 2026

Solid Phase Synthesis of a Functionalized Bis-Peptide Using "Safety Catch" Methodology
11:42

Solid Phase Synthesis of a Functionalized Bis-Peptide Using "Safety Catch" Methodology

Published on: May 15, 2012

Solid-phase peptide synthesis in highly loaded conditions.

Clovis R Nakaie1, Eliandre Oliveira, Eduardo F Vicente

  • 1Department of Biophysics, Universidade Federal de São Paulo, SP, Brazil. cnakaie@unifesp.br

Bioorganic Chemistry
|March 1, 2011
PubMed
Summary

Highly substituted resins can be used for peptide synthesis. Modifying the solvent system during deprotonation improves yields, making this "prohibitive" protocol feasible for efficient peptide production.

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Area of Science:

  • Solid-phase peptide synthesis
  • Polymer chemistry
  • Organic chemistry

Background:

  • Highly substituted resins in peptide synthesis are avoided due to chain-chain interactions.
  • These interactions can negatively impact synthesis efficiency and resin properties.

Purpose of the Study:

  • To evaluate the impact of high peptide loading on resin solvation and synthesis.
  • To investigate methods for overcoming limitations in heavily loaded resin systems.

Main Methods:

  • Developed a combined solvation-peptide synthesis approach.
  • Modeled peptide-resins with peptide content up to 85%.
  • Calculated chain-chain distance and concentration within beads under varying loads.

Main Results:

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Last Updated: Jun 4, 2026

Solid Phase Synthesis of a Functionalized Bis-Peptide Using "Safety Catch" Methodology
11:42

Solid Phase Synthesis of a Functionalized Bis-Peptide Using "Safety Catch" Methodology

Published on: May 15, 2012

An Inexpensive Adaptation of a Commercial Microwave Reactor for Solid Phase Peptide Synthesis
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An Inexpensive Adaptation of a Commercial Microwave Reactor for Solid Phase Peptide Synthesis

Published on: November 22, 2024

Constructing Cyclic Peptides Using an On-Tether Sulfonium Center
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Constructing Cyclic Peptides Using an On-Tether Sulfonium Center

Published on: September 28, 2022

  • Observed influence of peptide sequence and loading on solvation.
  • Identified severe bead shrinking during α-amine deprotonation in heavily loaded resins.
  • Achieved comparable synthesis yields between low and heavily loaded conditions.

Conclusions:

  • Heavily loaded resins are feasible for peptide synthesis with comparable yields to standard protocols.
  • Modifying the solvent system during the α-amine deprotonation step is crucial for heavily loaded resins.
  • Higher reactant concentration and reduced resin usage contribute to the efficiency of this protocol.