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Herein we investigate the incorporation of the Fmoc-Thr-pseudoproline monomer during Fmoc SPPS. Typically, pseudoprolines are incorporated as preformed dipeptides. However, the possibility of using the monomer adds flexibility to the synthesis.
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As the molecular diversity of cyclic and branched peptides becomes more and more challenging, a high level of orthogonal dimensionality is required. Herein, we present a new category of orthogonal protecting groups.
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Herein, we report the first-time SPPS of a special peptide sequence via employment of of a serine pseudoproline building block as well as sec-isamyl mercaptan (SIT) as cysteine protecting group.
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Common protocols for the loading of 2-CTC and MBH-Br resins presume the application of DCM, THF, or DMF; these solvents are considered as undesirable in accordance with modern regulatory rules.
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With a remarkable amount of peptide therapeutics already on the market and many more to come, there is an ongoing need to improve manufacturing scale and efficiency for a sustainable, global supply.
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With the approval of several COVID-19 vaccines and drugs in recent months, hope is growing that the current pandemic will end soon.
read moreArginine, a semi-essential amino acid, is involved in various important metabolic processes.
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