Selective Stepwise Arylation of Unprotected Peptides by Pt-IV Complexes
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION(2022)
摘要
(LPtF)-F-IV(Aryl) complexes bearing a bulky bidentate 2-[bis(adamant-1-yl)phosphino]phenoxide ligand (L) demonstrate excellent reactivity and selectivity in the arylation of X-H (X=S, N) bonds of amino acid residues in unprotected peptides under mild, including aqueous, conditions. Stepwise addition of these complexes allowed a convenient one-pot introduction of different aromatic groups in the X-H bonds of Cys and N terminus. Pt-IV reagents can also be used to further arylate N-H bonds in Lys and Trp providing access to peptides bearing multiple aromatic groups.
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关键词
Arylation Reactions, Bioconjugation, Peptides, Platinum Complexes
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