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Synthesis of bowl‐shaped nitrogen‐doped nanographene 71 with two 5–7 pairs. PPh3: triphenylphosphine; Cs2CO3: cesium carbonate; Pd(OAc)2: palladium diacetate; [HPt‐Bu2Me][BF4]: di‐tert‐butyl(methyl)phosphonium tetrafluoroborate; DBU: 1,8‐diazabicyclo[5.4.0]undec‐7‐ene.[ 85 ]
