Syntheses and properties of a new type of Lewis acids incorporating linked bisphenoxide moiety

Bulletin of the Chemical Society of Japan

Volumn 71, Issue 10, 1998, Pages 2393-2402

  Ohba, Yoshihiro ^a   Ito, Kazuaki ^a   Maeda, Hiroyuki ^a   Ebara, Hiroaki ^a   Takaki, Shin ^a   Nagasawa, Tomomi ^a  

^a YAMAGATA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000222479     PISSN: 00092673     EISSN: None     Source Type: Journal    
DOI: 10.1246/bcsj.71.2393     Document Type: Article

References (24)

1. Review: H. Yamamoto, K. Maruoka, and K. Ishihara, J. Synth. Org. Chem. Jpn., 52, 40 (1994).
2. S. Saito and H. Yamamoto, J. Org. Chem., 61, 2928 (1996).
3. K. Maruoka, A. B. Concepcion, and H. Yamamoto, Bull. Chem. Soc. Jpn., 65, 3501 (1992).
4. K. Maruoka, S. Saito, and H. Yamamoto, J. Am. Chem. Soc., 114, 1089 (1992).
5. K. Maruoka, H. Imoto, S. Saito, and H. Yamamoto, J. Am. Chem. Soc., 116, 4131 (1994).
6. K. Maruoka, Y. Araki, and H. Yamamoto, J. Am. Chem. Soc., 110, 2650 (1988).
7. K. Maruoka, Y. Araki, and H. Yamamoto, Tetrahedron Lett., 29, 3101 (1988).
8. Y. Ohba, K. Ito, T. Sone, and S. Takaki, "The 69th Annual Meeting of the Chemical Society of Japan," Kyoto, March 1995, Abstr., No. 1H3 12.
9. A. Linden, C. J. Schaverien, N. Meijboom, C. Ganter, and A. G. Orpen, J. Am. Chem. Soc., 117, 3008 (1995).
10. J. Okuda, S. Fokken, H.-C. Kang, and W. Massa, Chem. Ber., 128, 221 (1995).
11. C. Floriani, F. Corazza, W. Lesueur, A. Chiesi-Villa, and C. Guastini, Angew. Chem., Int. Ed. Engl, 28, 66 (1989).
12. F. Corazza, C. Floriani, A. Chiesi-Villa, and C. Guastini, Inorg. Chem., 30, 145 (1991).
13. M. H. Chisholm, I. P. Parkin, K. Folting, E. B. Lubkovsky, and W. E. Steib, J. Chem. Soc., Chem. Commun., 1991, 1673.
14. S. D. Pastor and J. D. Spivack, J. Org. Chem., 49, 1297 (1984).
15. P. J. Toscano, E. J. Schermerhorn, C. Dettelbacher, D. Macherone, and J. Zubieta, J. Chem. Soc., Chem. Commun., 1991, 933.
16. K. Maruoka, S. Nagahara, and H. Yamamoto, Bull. Chem. Soc. Jpn., 63, 3354 (1990).
17. 1HNMR Spectroscopy. Air-free dry benzene was added after removing solvent in vacuo. The solution was used directly for molecular weight measurement via the cryoscopic method.
18. K. Maruoka, S. Nagahara, T. Ooi, and H. Yamamoto, Tetrahedron Lett., 29, 5607 (1988).
19. K. Maruoka and H. Yamamoto, Angew. Chem., Int. Ed. Engl, 24, 668 (1985).
20. K. Maruoka and H. Yamamoto, Tetrahedron, 44, 5001 (1988).
21. K. Maruoka, S. Nagahara, and H. Yamamoto, Tetrahedron Lett., 31, 5475 (1990).
22. c = -35 °C, the differences (Δδ) in the chemical shift between the geminal protons were 91.5 and 65.7 Hz, respectively. These calculations were done according to the following literature: R. J. Abraham, J. Fischer, and P. Loftus, "Introduction to NMR Spectroscopy," 2nd ed, John Wiley & Sons, Chichester (1988); Japanese translation by Y. Takeuchi, Kagaku-dojin, Kyoto (1993), p. 223.
23. mix = 100, 500, and 1000 ms) of 1:1 mixture of 2a and acetophenone were recorded.
24. T. Sone, Y. Ohba, and H. Yamazaki, Bull. Chem. Soc. Jpn., 62, 1111 (1989).