Sone096 Full [verified]
4. **Lithiation & formylation** N‑(2‑pyridyl)‑4‑methoxy‑benzamide + n‑BuLi → ortho‑lithiated intermediate; quench with DMF → aldehyde.
4. **Lithiation & formylation** N‑(2‑pyridyl)‑4‑methoxy‑benzamide + n‑BuLi → ortho‑lithiated intermediate; quench with DMF → aldehyde.