Photoredox-catalyzed C-heteroaryl glycosylation of biphenyl isocyanides with glycosyl bromides†
Abstract
8,9-Dimethoxyphenanthridine derivatives, as potential antitumor drugs, need modification to improve their biocompatibility and water solubility. Reported here is a strategy to access C-heteroaryl glycosides by photoredox catalysis. C6-glycosylated phenanthridine derivatives are synthesized from biphenyl isocyanides and glycosyl bromides. The reaction conditions are mild and widely applicable, with anomeric α selectivity and good functional group tolerance.
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