Abstract
The human calcitonin peptide chain was assembled using Fmoc solid-phase peptide synthesis chemistry. The combinations of cleavage Reagent H with trans-[Pt(en) 2Cl 2] 2+ and Reagents B, K, and R with trans-[Pt(CN) 4Cl 2] 2− provide convenient methods for the synthesis of human calcitonin and its methionine sulfoxide derivative; the formation of intramolecular disulfide bonds by the above Pt(IV) oxidants is essentially quantitative.
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