Theoretical Studies of Diels-Alder Reaction (Part Ⅰ). Correlation between the Stabilization Energies of the Transition States and the Resonance Energies of the Isolated Systems

Diels-Alder 反應에 對한 理論的 硏究 (第1報) 遷移狀態의 安定化 에너지와 孤立分子의 共鳴 에너지間의 相關關係

  • Hong, Yeong-Suek (Department of Chemistry, Kyung Pook National University) ;
  • Byung Kak Park (Department of Chemistry, Kyung Pook National University)
  • 홍영석 (慶北大學校師範大學化學科) ;
  • 박병각 (慶北大學校師範大學化學科)
  • Published : 1972.02.29

Abstract

The stabilization energies by interconjugations at the transition states in various Diels-Alder reactions were calculated. It has been found that the stabilization energies are inversely proportional to resonance energies of isolated molecules of polyene and heterocyclic system before reactions. It has been noted that the resonance energies of dienes are smaller than those of dienophiles in two different molecules. Therefore, the possibility of charge-transfer from dienes to dienophiles is hinted.

Keywords

References

  1. Quart. Rev. v.6 no.1 R.D. Brown
  2. J. Chem. Soc. v.691 R.D. Brown
  3. J.A.C.S. v.74 M. Dewar
  4. Molecular Orbitals in Chemistry, Physics and Biology K. Fukui;P. O. Lodin(et al.)
  5. Bull. Chem. Soc., Japan v.34 K. Fukui
  6. Bull. Chem. Soc., Japan v.35 K. Fukui
  7. 大韓化學會誌 v.13 no.4 황보명환;이익춘
  8. The Molecular Orbitalt Theory of Organic Chemistry M.J.S.Dewar
  9. Organic Reaction v.IV R. Adams(et al.)
  10. Ann. v.470 Dieles-Alder(et al.)
  11. Ann. v.486 Dieles-Alder(et al.)
  12. Ann. v.498 Dieles-Alder(et al.)
  13. Organic Reaction v.IV R. Adams(et al.)
  14. Organic Chemistry Backmann
  15. Ber v.69A Diels
  16. Organic Reaction v.IV R. Adams(et al.)
  17. A Guide Book to Mechanism in Organic Chemistry (ii) Diels-Alder Reaction in P. Sykes;
  18. 有機反應機構(下) 久保田尙(譯)
  19. Ber. v.63 Kuhn;Wagner-Jauregg
  20. J.A.C.S. v.58 Littmann