Total synthesis of 26-hydroxyepothilone B and related analogues

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K. C. Nicolaou, Sacha Ninkovic, M. Ray V. Finlay, Francisco Sarabia and Tianhu Li


Abstract

A series of 26-substituted epothilones B (3, 22, 23a–n and 24a–h,j–l,o) have been constructed by total synthesis involving a selective Wittig olefination, an aldol reaction and a macrolactonization as key steps.


References

  1. G. Höfle, N. Bedorf, H. Steinmetz, D. Schomburg, K. Gerth and H. Reichenbach, Angew. Chem., Int. Ed. Engl., 1996, 35, 1567 CrossRef.
  2. D. M. Bollag, P. A. McQueney, J. Zhu, O. Hensens, L. Koupal, J. Liesch, M. Goetz, E. Lazarides and C. M. Woods, Cancer Res., 1995, 55, 2325 CAS.
  3. R. J. Kowalski, P. Giannakakou and E. Hamel, J. Biol. Chem., 1997, 272, 2534 CrossRef CAS.
  4. S. B. Horwitz, J. Fant and P. B. Schiff, Nature, 1979, 277, 665 CAS.
  5. K. C. Nicolaou, N. Winssinger, J. A. Pastor, S. Ninkovic, F. Sarabia, Y. He, D. Vourloumis, Z. Yang, T. Li, P. Giannakakou and E. Hamel, Nature, 1997, 387, 268 CrossRef CAS.
  6. D.-S. Su, D. Meng, P. Bertinato, A. Balog, E. J. Sorensen, S. J. Danishefsky, Y.-H. Zheng, T.-C. Chou, L. He and S. B. Horwitz, Angew. Chem., Int. Ed. Engl., 1997, 36, 757 CrossRef CAS.
  7. K. C. Nicolaou, S. Ninkovic, F. Sarabia, D. Vourloumis, Y. He, H. Vallberg, M. R. V. Finlay and Z. Yang, J. Am. Chem. Soc., 1997, 119, 7974 CrossRef CAS.
  8. A. Balog, D. Meng, T. Kamenecka, P. Bertinato, D.-S. Su, E. J. Sorensen and S. J. Danishefsky, Angew. Chem., Int. Ed. Engl., 1996, 35, 2801 CrossRef CAS; D. Meng, D.-S. Su, A. Balog, P. Bertinato, E. J. Sorensen, S. J. Danishefsky, Y.-H. Zheng, T.-C. Chou, L. He and S. B. Horwitz, J. Am. Chem. Soc., 1997, 119, 2733 CrossRef CAS.
  9. Z. Yang, Y. He, D. Vourloumis, H. Vallberg and K. C. Nicolaou, Angew. Chem., Int. Ed. Engl., 1997, 36, 166 CrossRef CAS; K. C. Nicolaou, F. Sarabia, S. Ninkovic and Z. Yang, Angew. Chem., Int. Ed. Engl., 1997, 36, 525 CrossRef CAS.
  10. D. Schinzer, A. Limberg, A. Bauer, O. M. Böhm and M. Cordes, Angew. Chem., Int. Ed. Engl., 1997, 36, 523 CrossRef CAS.
  11. K. C. Nicolaou, Y. He, D. Vourloumis, H. Vallberg, F. Roschangar, F. Sarabia, S. Ninkovic, Z. Yang and J. I. Trujillo, J. Am. Chem. Soc., 1997, 119, 7960 CrossRef.
  12. Isolation and structure elucidation: G. Höfle, personal communication.
  13. K. C. Nicolaou, Y. He, F. Roschangar, N. P. King and D. Vourloumis, Angew. Chem., in the press Search PubMed.
  14. K. C. Nicolaou, H. Vallberg, N. P. King, F. Roschangar, Y. He, D. Vourloumis and C. G. Nicolaou, Chem. Eur. J., in the press Search PubMed.
  15. K. C. Nicolaou, F. Sarabia, M. R. V. Finlay, S. Ninkovic, N. P. King, D. Vourloumis and Y. He, Chem. Eur. J., in the press Search PubMed.
  16. A. Balog, P. Bertinato, D.-S. Su, D. Meng, E. J. Sorensen, S. J. Danishefsky, Y.-H. Zheng, T.-C. Chou, L. He and S. B. Horwitz, Tetrahedron Lett., 1997, 38, 4529 CrossRef CAS.
  17. K. C. Nicolaou, D. Vourloumis, T. Li, J. Pastor, N. Winssinger, Y. He, S. Ninkovic, F. Sarabia, H. Vallberg, F. Roschangar, N. P. King, M. R. V. Finlay, P. Giannakakou, P. Verdier-Pinard and E. Hamel, Angew. Chem., Int. Ed. Engl., 1997, 36, 2097 CrossRef CAS.
  18. D. Enders, A. Plant, D. Backhaus and U. Reinhold, Tetrahedron, 1995, 51, 10 699 CrossRef CAS.
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