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Recent progress using the S taudinger ligation for radiolabeling applications
Author(s) -
Mamat Constantin,
Gott Matthew,
Steinbach Jörg
Publication year - 2018
Publication title -
journal of labelled compounds and radiopharmaceuticals
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.432
H-Index - 47
eISSN - 1099-1344
pISSN - 0362-4803
DOI - 10.1002/jlcr.3562
Subject(s) - bioorthogonal chemistry , chemistry , biomolecule , combinatorial chemistry , native chemical ligation , ligation , small molecule , nanotechnology , click chemistry , chemical synthesis , biochemistry , in vitro , materials science , microbiology and biotechnology , biology
The increasing application of positron emission tomography and single‐photon emission computer tomography in radiopharmacy and nuclear medicine has stimulated the development of a multitude of novel and versatile bioorthogonal conjugation techniques. Currently, there is particular interest in radiolabeling biologically active, high molecular weight compounds like peptides, proteins, or antibodies, but also for the labeling of small organic compounds. An enormous challenge in radiolabeling these biologically active molecules is that the introduction of radiohalogens like fluorine‐18 as well as various radiometals proceeds under harsh conditions, which could destroy the biomolecule. The Staudinger ligation is one of the most powerful bioorthogonal conjugation techniques. The reaction proceeds over wide temperature and pH ranges; an amide (peptide) bond is formed as the ligation unit, which minimizes distortion of the structure; no isomers are obtained; and the reaction proceeds without any metal catalyst. Due to this adaptability, this robust ligation type is a perfect candidate with a high potential for various applications in the field of radiopharmacy for the labeling of biomolecules under mild conditions. This review summarizes recent research concerning the implementation of the Staudinger ligation for radiolabeling applications.

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