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Updated: Jan 20, 2026
Solid Phase Synthesis: Principles, Peptide Synthesis
Published on: April 30, 2023
Isocyanide Multicomponent Reactions on Solid-Phase-Coupled DNA Oligonucleotides for Encoded Library Synthesis
Verena B K Kunig1, Christiane Ehrt1, Alexander Dömling2
1Faculty of Chemistry and Chemical Biology , TU Dortmund University , Otto-Hahn-Straße 6 , 44227 Dortmund , Germany.
Abstract:
Isocyanide multicomponent reactions play a prominent role in drug discovery. This chemistry has hardly been investigated for compatibility with DNA-encoded combinatorial synthesis. The Ugi, Ugi-azide, and Groebke-Blackburn-Bienaymé reactions are well-tolerated by DNA on the solid phase and show a broad scope. However, an oxadiazole-forming variant of the Ugi reaction caused DNA depurination, requiring a more stable hexathymidine DNA for encoded library synthesis. Cheminformatic analysis revealed that isocyanide multicomponent-reaction-based encoded libraries cover a diverse chemical space.
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