Stille Coupling: Cross‑Coupling with Organostannanes (Pd Catalysis)
Learn Stille coupling: oxidative addition, transmetalation from organostannanes, reductive elimination. Scope, strengths, and safety/toxicity considerations.
- Reaction: R–X + R′–SnR3 → R–R′
- What it does: Cross-couples organostannanes with halides
- Typical reagents: Pd catalyst; organostannane partner
- Key intermediate: Pd(II) complexes
- Driving force: Reductive elimination forms C–C bond
- Exam type: Catalytic cycles
- Exam type: Reagent selection