Abstract

AbstractA visible light‐initiated method has been developed for preparation of Se−S bond‐containing peptides. The method is based on generation of sulfur‐centered radical employing organic dye. The protocol is tolerant to unprotected peptides with “sensitive” amino acids. The stability of Se−S bond is evaluated in buffers at different pH (3.0–10.0) and also in the presence of oxidants and reducing agents. Additionally, the ability of Se−S bond to serve as an oxidation sensitive linker in biocompatible materials has been confirmed.magnified image

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