Reductant-Induced Free Radical Fluoroalkylation of Nitrogen Heterocycles and Innate Aromatic Amino Acid Residues in Peptides and Proteins

. 2019 Dec 10 ; 25 (69) : 15779-15785. [epub] 20191030

Jazyk angličtina Země Německo Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid31523878

Grantová podpora
61388963 Ústav Organické Chemie a Biochemie, Akademie Věd České Republiky
61388971 Akademie Věd České Republiky
17-00598S Grantová Agentura České Republiky
19-16084S Grantová Agentura České Republiky
LM2015043 CIISB Ministerstvo Školství, Mládeže a Tělovýchovy
CZ.1.05/1.1.00/02.0109 BIOCEV European Regional Development Fund

A series of fluoroalkylated cyclic λ3 -iodanes and their hydrochloride salts was prepared and used in a combination with sodium ascorbate in buffer or aqueous methanol mixtures for radical fluoroalkylation of a range of substituted indoles, pyrroles, tryptophan or its derivatives, and Trp residues in peptides. As demonstrated on several peptides, the aromatic amino acid residues of Trp, Tyr, Phe, and His are targeted with high selectivity to Trp. The functionalization method is biocompatible, mild, rapid, and transition-metal-free. The proteins myoglobin, ubiquitin, and human carbonic anhydrase I were also successfully functionalized.

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