A novel carbocationic species paired with tetrakis(pentafluorophenyl)borate anion in catalytic aldol reaction

Chemistry Letters

Volumn , Issue 6, 2000, Pages 606-607

  Mukaiyama, Teruaki ^a   Yanagisawa, Manabu ^a   Iida, Daisuke ^a   Hachiya, Iwao ^a  

^a TOKYO UNIVERSITY OF SCIENCE   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0034335706     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2000.606     Document Type: Article

References (15)

1. a) For reviews, see: T.-H. Chan, "Comprehensive Organic Synthesis," ed. by B. M. Trost and I. Fleming, Pergamon Press, Oxford (1991), Vol. 2, p. 595; C. Gennari, "Comprehensive Organic Synthesis," ed. by B. M. Trost and I. Fleming, Pergamon Press, Oxford (1991), Vol. 2, p. 629.
2. a) For reviews, see: T.-H. Chan, "Comprehensive Organic Synthesis," ed. by B. M. Trost and I. Fleming, Pergamon Press, Oxford (1991), Vol. 2, p. 595; C. Gennari, "Comprehensive Organic Synthesis," ed. by B. M. Trost and I. Fleming, Pergamon Press, Oxford (1991), Vol. 2, p. 629.
3. b) For examples, C.-T. Chen, S.-D. Chao, K.-C. Yen, C.-H. Chen, I.-C. Chou, and S.-W. Hon, J. Am. Chem. Soc., 119, 11341 (1997), and references cited therein.
4. T. Mukaiyama, M. Tamura, and S. Kobayashi, Chem. Lett., 1986, 1817; T. Mukaiyama, Y. Sagawa, and S. Kobayashi, Chem. Lett., 1986, 1821, and references cited therein.
5. T. Mukaiyama, M. Tamura, and S. Kobayashi, Chem. Lett., 1986, 1817; T. Mukaiyama, Y. Sagawa, and S. Kobayashi, Chem. Lett., 1986, 1821, and references cited therein.
6. T. Mukaiyama, S. Kobayashi, and M. Murakami, Chem. Lett., 1984, 1759; S. Kobayashi, M. Murakami, and T. Mukaiyama, Chem. Lett., 1985, 1535.
7. T. Mukaiyama, S. Kobayashi, and M. Murakami, Chem. Lett., 1984, 1759; S. Kobayashi, M. Murakami, and T. Mukaiyama, Chem. Lett., 1985, 1535.
8. W. L. F. Armarego and S. C. Scarma, J. Chem. Soc., C, 1970, 1600.
9. w) = 0.072(0.243).
10. J. C. W. Chien, W.-M. Tsai, and M. D. Rausch, J. Am. Chem. Soc., 113, 8570 (1991).
11. Previously, it was shortly described that the addition reaction between silyl enol ethers and α,β-unsaturated aldehydes using triphenylmethyl perchlorate as a catalyst gives a mixture of 1,2 and 1,4 adducts; S. Kobayashi, M. Murakami, and T. Mukaiyama, Chem. Lett., 1985, 953.
12. a) M. Yasuda, N. Ohigashi, I. Shibata, and A. Baba, J. Org. Chem., 64, 2180 (1999), and references cited therein.
13. b) K. Mikami, M. Terada, and T. Nakai, J. Org. Chem., 56, 5456 (1991).
14. W. Graf, E. Girod, E. Schmid, and W. G. Stoll, Helv. Chim. Acta. 42, 1085 (1959); and also see: Ref. 4: and M. S. Kitching, W. Clegg, M. R. J. Elsegood, R. J. Griffin, and B. T. Golding, Synlett, 1999, 997.
15. W. Graf, E. Girod, E. Schmid, and W. G. Stoll, Helv. Chim. Acta. 42, 1085 (1959); and also see: Ref. 4: and M. S. Kitching, W. Clegg, M. R. J. Elsegood, R. J. Griffin, and B. T. Golding, Synlett, 1999, 997.