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Resins with identical specifications are not identical. Identifying a useful solid-phase resin
Isabelle Bouillon1, Miroslav Soural, Marvin J Miller
1Department of Chemistry and Biochemistry, 251 Nieuwland Science Center, University of Notre Dame, Notre Dame, Indiana 46556, USA.
Journal of Combinatorial Chemistry
|January 8, 2009
Summary
Polystyrene resin quality for solid-phase synthesis varies significantly. Measuring resin swelling capacity is a simple, nondestructive method for presynthetic characterization to ensure consistent results.
Area of Science:
- Polymer Chemistry
- Organic Synthesis
Background:
- Polystyrene resins cross-linked with divinylbenzene are common supports for solid-phase synthesis.
- Significant lot-to-lot variability in resin quality exists, impacting synthesis outcomes.
Purpose of the Study:
- To introduce a simple, nondestructive method for presynthetic characterization of solid-phase synthesis resins.
- To highlight the importance of resin quality control in solid-phase synthesis.
Main Methods:
- Determination of resin swelling capacity.
- Nondestructive presynthetic characterization of polystyrene resins.
Main Results:
- Resin swelling capacity is a simple and effective measure of resin quality.
- Variability in swelling capacity indicates potential differences in synthesis performance.
Conclusions:
- Swelling capacity determination is a valuable presynthetic quality control step for solid-phase synthesis.
- This method helps ensure consistent and reliable results in solid-phase synthesis by characterizing resin quality before use.
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