Abstract

A facile palladium-catalyzed synthesis of thiaphenanthridinones from sulfinate esters and 2-borylanilines is disclosed. Various sulfur analogs of phenanthridinones were synthesized by bromide-selective cross-coupling and cyclization in one step. Further transformations of the obtained thiaphenanthridinones allowed preparing a broad range of thiaphenanthridinone derivatives involving analogs of bioactive compounds.

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