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Bulky Aspartate Protecting Groups to Avoid Aspartimide Formation
Frustrated by aspartimide formation during peptide synthesis? Iris Biotech presents aspartate derivatives with bulky side chain protecting groups that minimize the formation of aspartimide-related side-products.
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PotM: SIT – A New Cysteine Protecting Group
The new disulfide-based protecting group sec-isoamyl mercaptan (SIT) is fully compatible with Fmoc- and Boc-SPPS and can easily be removed reductively upon addition of dithiothreitol.
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Cyclopropyl Modification
Cyclopropanes represent important design elements in medicinal chemistry and are widely present in drug compounds. Read on to find out more about their full potential.
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Trimethyl Locks
The sterical interference of three closely positioned methyl groups favors amide cleavage and payload release upon lactonization. This cascade can be induced by various triggers. Read on to find out more.
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PotM: Disulfide-Based Self-Immolative Linkers
The linkage of a drug to its carrier via a disulfide-based self-immolative linker allows for the specific intracellular release of the active molecule upon glutathione reduction and linker cleavage.
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