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For reviews on chemistry of ynamides see: (a) Zificsak, C. A.; Mulder, J. A.; Hsung, R. P.; Rameshkumar, C.; Wei, L.-L. Tetrahedron 2001, 57, 7575. (b) Mulder, J. A.; Kurtz, K. C. M.; Hsung, R. P. Synlett 2003, in press.
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For reviews on chemistry of ynamides see: (a) Zificsak, C. A.; Mulder, J. A.; Hsung, R. P.; Rameshkumar, C.; Wei, L.-L. Tetrahedron 2001, 57, 7575. (b) Mulder, J. A.; Kurtz, K. C. M.; Hsung, R. P. Synlett 2003, in press.
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For some applications using Saucy-Marbet rearrangements, see: (a) Pyo, S.; Skowron, J. F.; Cha, J. K. Tetrahedron Lett. 1992, 33, 4703. (b) Burger, K. ; Geith, K.; Gaa, K. Angew. Chem., Int. Ed. 1988, 27, 848. (c) Castelhano, A. L.; Horne, S.; Taylor, G. J.; Billedeau, R.; Krantz, A. Tetrahedron 1988, 44, 5451. (d) Roumestant, M.-L.; Cavallin, B.; Bertrand, M. Bull. Soc. Chim. Fr. 1983, 309. (e) Saucy, G.; Cohen, N.; Banner, B. L.; Trullinger, D. P. J. Org. Chem. 1980, 45, 2080.
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For some applications using Saucy-Marbet rearrangements, see: (a) Pyo, S.; Skowron, J. F.; Cha, J. K. Tetrahedron Lett. 1992, 33, 4703. (b) Burger, K. ; Geith, K.; Gaa, K. Angew. Chem., Int. Ed. 1988, 27, 848. (c) Castelhano, A. L.; Horne, S.; Taylor, G. J.; Billedeau, R.; Krantz, A. Tetrahedron 1988, 44, 5451. (d) Roumestant, M.-L.; Cavallin, B.; Bertrand, M. Bull. Soc. Chim. Fr. 1983, 309. (e) Saucy, G.; Cohen, N.; Banner, B. L.; Trullinger, D. P. J. Org. Chem. 1980, 45, 2080.
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For some applications using Saucy-Marbet rearrangements, see: (a) Pyo, S.; Skowron, J. F.; Cha, J. K. Tetrahedron Lett. 1992, 33, 4703. (b) Burger, K. ; Geith, K.; Gaa, K. Angew. Chem., Int. Ed. 1988, 27, 848. (c) Castelhano, A. L.; Horne, S.; Taylor, G. J.; Billedeau, R.; Krantz, A. Tetrahedron 1988, 44, 5451. (d) Roumestant, M.-L.; Cavallin, B.; Bertrand, M. Bull. Soc. Chim. Fr. 1983, 309. (e) Saucy, G.; Cohen, N.; Banner, B. L.; Trullinger, D. P. J. Org. Chem. 1980, 45, 2080.
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In our hands, simple achiral propargyl alcohols provided very low yields of the desired rearrangement products. We are currently sorting out this issue
-
For use of ynamines and simple achiral propargyl alcohols, see: Ficini, J.; Lumbroso-Bader, N.; Pouliquen, J. Tetrahedron Lett. 1968, 9, 4139. In our hands, simple achiral propargyl alcohols provided very low yields of the desired rearrangement products. We are currently sorting out this issue.
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note
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Obtained via CBS reductions of their corresponding ketones: Corey, E. J. ; Bakshi, R. K.; Shibata, S. J. Am. Chem. Soc. 1987, 109, 5551 and 7925.
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0141492105
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note
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2 groups.
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52
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0141826780
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note
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2 = c-hex.
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53
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0035915305
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For some examples, see: (a) Trost, B. M.; Pinkerton, A. B.; Seidel, M. J. Am. Chem. Soc. 2001, 123, 12466. (b) Yoneda, E.; Kaneko, T.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Org. Lett. 2000, 2, 441. (c) Oh, C. H.; Rhim, C. Y. ; Song, C. H.; Ryu, J. H. Chem. Lett. 2002, 1140. (d) Yoneda, E.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Tetrahedron Lett. 2001, 42, 5459. (e) Ma, S.; Gao, W. J. Org. Chem. 2002, 67, 6104. (f) Wan, Z.; Nelson, S. G. J. Am. Chem. Soc. 2000, 122, 10470.
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For some examples, see: (a) Trost, B. M.; Pinkerton, A. B.; Seidel, M. J. Am. Chem. Soc. 2001, 123, 12466. (b) Yoneda, E.; Kaneko, T.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Org. Lett. 2000, 2, 441. (c) Oh, C. H.; Rhim, C. Y. ; Song, C. H.; Ryu, J. H. Chem. Lett. 2002, 1140. (d) Yoneda, E.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Tetrahedron Lett. 2001, 42, 5459. (e) Ma, S.; Gao, W. J. Org. Chem. 2002, 67, 6104. (f) Wan, Z.; Nelson, S. G. J. Am. Chem. Soc. 2000, 122, 10470.
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For some examples, see: (a) Trost, B. M.; Pinkerton, A. B.; Seidel, M. J. Am. Chem. Soc. 2001, 123, 12466. (b) Yoneda, E.; Kaneko, T.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Org. Lett. 2000, 2, 441. (c) Oh, C. H.; Rhim, C. Y. ; Song, C. H.; Ryu, J. H. Chem. Lett. 2002, 1140. (d) Yoneda, E.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Tetrahedron Lett. 2001, 42, 5459. (e) Ma, S.; Gao, W. J. Org. Chem. 2002, 67, 6104. (f) Wan, Z.; Nelson, S. G. J. Am. Chem. Soc. 2000, 122, 10470.
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For some examples, see: (a) Trost, B. M.; Pinkerton, A. B.; Seidel, M. J. Am. Chem. Soc. 2001, 123, 12466. (b) Yoneda, E.; Kaneko, T.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Org. Lett. 2000, 2, 441. (c) Oh, C. H.; Rhim, C. Y. ; Song, C. H.; Ryu, J. H. Chem. Lett. 2002, 1140. (d) Yoneda, E.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Tetrahedron Lett. 2001, 42, 5459. (e) Ma, S.; Gao, W. J. Org. Chem. 2002, 67, 6104. (f) Wan, Z.; Nelson, S. G. J. Am. Chem. Soc. 2000, 122, 10470.
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Yoneda, E.1
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For some examples, see: (a) Trost, B. M.; Pinkerton, A. B.; Seidel, M. J. Am. Chem. Soc. 2001, 123, 12466. (b) Yoneda, E.; Kaneko, T.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Org. Lett. 2000, 2, 441. (c) Oh, C. H.; Rhim, C. Y. ; Song, C. H.; Ryu, J. H. Chem. Lett. 2002, 1140. (d) Yoneda, E.; Zhang, S.-W.; Onitsuka, K.; Takahashi, S. Tetrahedron Lett. 2001, 42, 5459. (e) Ma, S.; Gao, W. J. Org. Chem. 2002, 67, 6104. (f) Wan, Z.; Nelson, S. G. J. Am. Chem. Soc. 2000, 122, 10470.
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