A catalytic amount of titanium tetrahalide as promoter for the addition reaction of silyl ketene acetals to imines

Chemistry Letters

Volumn , Issue 7, 1996, Pages 545-546

  Shimizu, Makoto ^a   Kume, Kouji ^a   Fujisawa, Tamotsu ^a  

^a MIE UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0030523672     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1996.545     Document Type: Article

References (24)

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22. 3) δ 0.08 (s, 3H), 0.11 (s, 3H), 0.91 (s, 9H), 1.20 (d, 3H, J = 6.72Hz), 2.91-2.98 (m, 1H), 3.39 (s, 3H), 3.67 (s, 3H), 4.31-4.36 (m, 1H), 4.71 (d, 1H, J = 7.94 Hz), 6.49 (d, 2H, J = 8.55 Hz), 6.66 (d, 2H, J = 8.55 Hz), 7.17-7.32 (m, 5H).
23. 3) δ -0.50 (s, 3H), -0.20 (s, 3H), 0.74 (s, 9H), 1.34 (d, 3H, J = 6.72 Hz), 3.81 (dd, 1H, J = 5.49, 8.85 Hz), 3.73 (s, 3H), 3.96-4.01 (m, 1H), 5.15 (d, 2H, J = 5.49 Hz), 6.75 (d, 2H, J = 9.16 Hz), 7.18 (d, 2H, J = 9.16 Hz), 7.26-7.35 (m, 5H).
24. R. Annunziata, M. Cinquini, F. Cozzi, and P. G. Cozzi, J. Org. Chem., 57, 4155 (1992).