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. 2020 Sep 25;8:580899. doi: 10.3389/fchem.2020.580899

Scheme 3.

Scheme 3

Summary of the most frequent strategies in the synthesis of boronate-based redox probes. The typical pathways of the probe synthesis include conversion of the phenolic hydroxyl group to the boronate moiety via a triflate intermediate (A), conversion of aryl halides to arylboronates (B); boronobenzylation of phenols (C) or heterocyclic nitrogen (D), and boronobenzyloxycarbonylation of aromatic and aliphatic amines (E).