Palladium-catalyzed decarbonylative annulation of phthalimides with arynes: direct construction of phenanthridinones?

Chemical Communications Pub Date: 2019-07-15 DOI: 10.1039/C9CC04868E

Abstract

A novel palladium-catalyzed decarbonylative annulation for the synthesis of phenanthridinones from phthalimides and arynes has been developed. This catalytic system tolerates a broad range of functional groups. Mechanistic experiments demonstrate that the Pd(II) complex B is the key intermediate, which has been confirmed by X-ray crystallography for the first time.

Graphical abstract: Palladium-catalyzed decarbonylative annulation of phthalimides with arynes: direct construction of phenanthridinones
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