•Unique axial-to-axial chirality transfer for C–N axial construction•Ability to assemble two vicinal and remote stereogenic axes•Step-economic scalable synthesis of enantioenriched phenanthridinones•Broad scope, good yields, excellent enantioselectivities Axial widely exists in bioactive natural products, pharmaceuticals, chiral materials, ligands catalysts asymmetric catalysis. As such, the ef...