Scheme 230. Attempted Synthesis of 5-Azadibenzo[a,g]corannulene by Solution-Phase Synthesis and Flash Vacuum Pyrolysis.
Reagents and conditions: (a)428 Pd(PCy3)2Cl2, DBU, DMA, 150 °C, 3 days; (b) FVP, 1000 °C; (c) silica gel, dry DCM, 24 h.
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