Kosuke Chiba, Takumi Yoshida, Kana Okada, Minoru Ishikawa, Yuichi Hashimoto, Satoshi Obika and Takao Yamaguchi
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Phthalimide: a potential warhead for switchable and bioorthogonal conjugation
4-Azidophthalimide, previously reported as a photoaffinity labeling (PAL) tag, was repurposed as a post-conjugation warhead. Using the phthalimide–amine reaction, cyanine amines were successfully conjugated to target proteins after PAL and later replaced with other amines, demonstrating its “switchable” nature. These findings highlight phthalimide's unique characteristics as a novel chemical tool for bioorthogonal conjugations.
期刊介绍:
ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.