Tabular Pericyclic Reaction Selection Rules | ||||
---|---|---|---|---|
Condition | + Electron count | + Stereochemistry ⇒ | Topology | ≡ Lk |
1: Heat (Δ) | 4n+2 | Suprafacial‡ | Hückel | 0† |
2: Light (hν) | 4n | Suprafacial‡ | Hückel | 0† |
3: Heat (Δ) | 4n | Odd antarafacial | Möbius | Odd |
4: Light (hν) | 4n+2 | Odd antarafacial | Möbius | Odd |
Diagrammatic Pericyclic Reaction Selection Rules | ||||
Frost, Musulin and Zimmermann diagram (1965) |
© Henry S. Rzepa, 1978-2014. Hide|show Toolbar.