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History of Benzene

1824 - 1825 Isolated from burnt whale oil by Michael Faraday 1834 Eilhardt Mitscherlich finds benzene has formula of C 6 H 6 1861 Loschmidt proposes structure for benzoic acid and aniline. History of Benzene. 1824 - 1825 Isolated from burnt whale oil by Michael Faraday

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History of Benzene

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  1. 1824 - 1825 Isolated from burnt whale oil by Michael Faraday 1834 Eilhardt Mitscherlich finds benzene has formula of C6H6 1861 Loschmidt proposes structure for benzoic acid and aniline History of Benzene

  2. 1824 - 1825 Isolated from burnt whale oil by Michael Faraday 1834 Eilhardt Mitscherlich finds benzene has formula of C6H6 1861 Loschmidt proposes structure for benzoic acid and aniline History of Benzene

  3. History of Benzene 1865 Kekule has a dream 1865 Kekule invokes sausage diagrams Bulletin de la Société Chimique de France, 3, 98 (1865)

  4. History of Benzene 1865 Kekule has a dream 1865 Kekule invokes sausage diagrams Bulletin de la Société Chimique de France, 3, 98 (1865) 1866 Kekule introduces ring model for benzene

  5. Alternate Benzene Structures

  6. Fig. 15-2, p. 521

  7. Hückel’s Rules for aromaticity

  8. Benzene electron distribution map p. 521

  9. Fig. 15-12, p. 532

  10. Hückel’s Rules for aromaticity Aromaticity vs. antiaromaticity

  11. p. 523

  12. p. 524

  13. Hückel’s Rules for aromaticity Aromaticity vs. antiaromaticity Why 4n + 2 for aromatic and 4n for antiaromatic? Frost’s cycle

  14. Benzene Molecular Orbitals Fig. 15-3, p. 522

  15. Cyclopentadienyl ions

  16. Fig. 15-11, p. 531

  17. Fig. 15-5, p. 526

  18. Fig. 15-7, p. 527

  19. Fig. 15-9a, p. 529

  20. Fig. 15-9b, p. 529

  21. 5. 14-annulene • Aromatic • Antiaromatic • Neither

  22. Pyridyl DHA Targets

  23. Fig. 15-14, p. 535

  24. p. 535

  25. p. 540

  26. p. 535

  27. Aromatic Biomolecules • Amino acids • Nucleic acids

  28. Fig. 15-8, p. 528

  29. Fig. 15-9, p. 529

  30. p. 533

  31. p. 529

  32. p. 533

  33. p. 530

  34. p. 540

  35. p. 541

  36. p. 337

  37. p. 338

  38. Table 9-2, p. 337

  39. Summary

  40. Fig. 9-16, p. 338

  41. p. 340

  42. p. 345

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