Cycloaddition reactions

Subjects covered in these web-pages are:

• Introduction: With or without orbitals?

• Computing and viewing orbitals

• Diels-Alder reaction
  • Introduction (HOMO, LUMO, ...)
  • Reaction of butadiene with ethylene
    • mixing orbitals . . .
  • Substituent effects (1) Chime, Jmol
  • Substituent effects (2)
  • Substituent effects, summary

• 2+2 cycloadditions
  • Photochemistry
  • Ketene additions

• Quiz!