Scheme 386. Shape-Persistent Macrocycles Containing peri-Condensed Pyridine Rings.
Reagents and conditions: (a)756 (1) KOH, MeOH/THF (2:1 v/v), rt, 24 h, (2) Pd(PPh3)4, CuI, NEt3/THF (1:2, v/v), 50 °C, 24 h.
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