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Used for Efficient and Economic Bulk Synthesis of Peptide APIs: A new technology is available with a set of new preloaded resins, which enable the synthesis of peptide amides WITHOUT ANY LINKER. Amino acid amides, which bear a functional side chain, are immobilized on acid sensitive resins. This makes process development, small scale synthesis, bulk production and in-process control very easy. Find more technical details in our application for demonstration purposes with BIVALIRUDIN.

Wang resins are widely used for peptide synthesis. However, certain side reactions, like diketopiperazin formation limit their use. 4-Methylbenzhydryl resin needs more space and leaves less room for this type of side reactions. Standard “Wang-typical” Fmoc/tBu coupling protocols can be applied.

Click chemistry is a convenient method to chemoselectively functionalize peptides at specific positions. We offer a variety of different propargyl amino acids for both Fmoc and Boc strategies, for enzymatic synthesis, as well as preloaded resins for SPPS.

Compounds of the shown formula can simply be bound to solid supports via amide bond formation without racemization of the C-terminal amino acid and enable the synthesis of very pure peptides.

Discover the versatile applications of hydrazone resins e.g. for the preparation of peptide hydrazides, or the generation of peptide thio esters. Read on to find out more and see our available products.