Glycosyl thiosulfonate: a stable electrophilic reagent for the synthesis of thioglycosylated indoles and total synthesis of isatindigotindolosides
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We disclose a copper-catalyzed C2- or C3-thioglycosylation of indole with a shelf-stable and odorless glycosyl thiosulfonate to assemble indole alkaloid glucoside frameworks. This straightforward catalytic system exhibits the features of broad substrate scope,... ...
