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For chloronitroso dienophiles derived from steroid, D-mannofuranose, D-xylofuranose, L-xylose, and D-xylose, see: (a) Iida, H.; Watanabe, Y.; Kibayashi, C. Tetrahedron, Lett. 1984, 31, 5091. (b) Schurrle, K.; Beier, B.; Piepersberg, W. J. Chem. Soc., Perkin Trans. 1 1991, 2407. (c) Braun, H.; Felber, H.; Kresze, G.; Schmidtchen, F. P.; Prewo, R.; Vasella, A. Liebigs Ann. Chem. 1993, 261, and earlier references therein. (d) Adrian, H.; Bailey, P. D.; Rees, D. C.; Wightman, R. H. J. Chem. Soc., Chem. Commun. 1998, 2251. (e) Faitg, T.; Soulie, J.; Lallemand J.-Y.; Ricard, L. Tetrahedron: Asymmetry 1999, 2165. (f) Hall, A.; Bailey, P. D.; Rees, D. C.; Rosair, G. M.; Wightman, R. H. J. Chem. Soc., Perkin Trans. 1 2000, 329.
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For chloronitroso dienophiles derived from steroid, D-mannofuranose, D-xylofuranose, L-xylose, and D-xylose, see: (a) Iida, H.; Watanabe, Y.; Kibayashi, C. Tetrahedron, Lett. 1984, 31, 5091. (b) Schurrle, K.; Beier, B.; Piepersberg, W. J. Chem. Soc., Perkin Trans. 1 1991, 2407. (c) Braun, H.; Felber, H.; Kresze, G.; Schmidtchen, F. P.; Prewo, R.; Vasella, A. Liebigs Ann. Chem. 1993, 261, and earlier references therein. (d) Adrian, H.; Bailey, P. D.; Rees, D. C.; Wightman, R. H. J. Chem. Soc., Chem. Commun. 1998, 2251. (e) Faitg, T.; Soulie, J.; Lallemand J.-Y.; Ricard, L. Tetrahedron: Asymmetry 1999, 2165. (f) Hall, A.; Bailey, P. D.; Rees, D. C.; Rosair, G. M.; Wightman, R. H. J. Chem. Soc., Perkin Trans. 1 2000, 329.
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For chloronitroso dienophiles derived from steroid, D-mannofuranose, D-xylofuranose, L-xylose, and D-xylose, see: (a) Iida, H.; Watanabe, Y.; Kibayashi, C. Tetrahedron, Lett. 1984, 31, 5091. (b) Schurrle, K.; Beier, B.; Piepersberg, W. J. Chem. Soc., Perkin Trans. 1 1991, 2407. (c) Braun, H.; Felber, H.; Kresze, G.; Schmidtchen, F. P.; Prewo, R.; Vasella, A. Liebigs Ann. Chem. 1993, 261, and earlier references therein. (d) Adrian, H.; Bailey, P. D.; Rees, D. C.; Wightman, R. H. J. Chem. Soc., Chem. Commun. 1998, 2251. (e) Faitg, T.; Soulie, J.; Lallemand J.-Y.; Ricard, L. Tetrahedron: Asymmetry 1999, 2165. (f) Hall, A.; Bailey, P. D.; Rees, D. C.; Rosair, G. M.; Wightman, R. H. J. Chem. Soc., Perkin Trans. 1 2000, 329.
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27
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0021228546
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For chloronitroso dienophiles derived from steroid, D-mannofuranose, D-xylofuranose, L-xylose, and D-xylose, see: (a) Iida, H.; Watanabe, Y.; Kibayashi, C. Tetrahedron, Lett. 1984, 31, 5091. (b) Schurrle, K.; Beier, B.; Piepersberg, W. J. Chem. Soc., Perkin Trans. 1 1991, 2407. (c) Braun, H.; Felber, H.; Kresze, G.; Schmidtchen, F. P.; Prewo, R.; Vasella, A. Liebigs Ann. Chem. 1993, 261, and earlier references therein. (d) Adrian, H.; Bailey, P. D.; Rees, D. C.; Wightman, R. H. J. Chem. Soc., Chem. Commun. 1998, 2251. (e) Faitg, T.; Soulie, J.; Lallemand J.-Y.; Ricard, L. Tetrahedron: Asymmetry 1999, 2165. (f) Hall, A.; Bailey, P. D.; Rees, D. C.; Rosair, G. M.; Wightman, R. H. J. Chem. Soc., Perkin Trans. 1 2000, 329.
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For chloronitroso dienophiles derived from steroid, D-mannofuranose, D-xylofuranose, L-xylose, and D-xylose, see: (a) Iida, H.; Watanabe, Y.; Kibayashi, C. Tetrahedron, Lett. 1984, 31, 5091. (b) Schurrle, K.; Beier, B.; Piepersberg, W. J. Chem. Soc., Perkin Trans. 1 1991, 2407. (c) Braun, H.; Felber, H.; Kresze, G.; Schmidtchen, F. P.; Prewo, R.; Vasella, A. Liebigs Ann. Chem. 1993, 261, and earlier references therein. (d) Adrian, H.; Bailey, P. D.; Rees, D. C.; Wightman, R. H. J. Chem. Soc., Chem. Commun. 1998, 2251. (e) Faitg, T.; Soulie, J.; Lallemand J.-Y.; Ricard, L. Tetrahedron: Asymmetry 1999, 2165. (f) Hall, A.; Bailey, P. D.; Rees, D. C.; Rosair, G. M.; Wightman, R. H. J. Chem. Soc., Perkin Trans. 1 2000, 329.
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For chloronitroso dienophiles derived from steroid, D-mannofuranose, D-xylofuranose, L-xylose, and D-xylose, see: (a) Iida, H.; Watanabe, Y.; Kibayashi, C. Tetrahedron, Lett. 1984, 31, 5091. (b) Schurrle, K.; Beier, B.; Piepersberg, W. J. Chem. Soc., Perkin Trans. 1 1991, 2407. (c) Braun, H.; Felber, H.; Kresze, G.; Schmidtchen, F. P.; Prewo, R.; Vasella, A. Liebigs Ann. Chem. 1993, 261, and earlier references therein. (d) Adrian, H.; Bailey, P. D.; Rees, D. C.; Wightman, R. H. J. Chem. Soc., Chem. Commun. 1998, 2251. (e) Faitg, T.; Soulie, J.; Lallemand J.-Y.; Ricard, L. Tetrahedron: Asymmetry 1999, 2165. (f) Hall, A.; Bailey, P. D.; Rees, D. C.; Rosair, G. M.; Wightman, R. H. J. Chem. Soc., Perkin Trans. 1 2000, 329.
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Hall, A.1
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31
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2142709691
-
-
note
-
For additional examples of preparation of conduramine synthons, see refs 4 and 9b.
-
-
-
-
33
-
-
2142647399
-
-
Stereoselective preparation of epoxides can be achieved by the aid of the structure of the substrates, especially in the cyclic systems. The presence of a hydroxyl group close to the olefinic bond strongly determines the epoxide stereochemistry. For studies of the directive effect of the hydroxyl group, see: (a) Henbest, H. B. Proc. Chem. Soc. 1963, 159. (b) Chamberlain, P.; Roberts, M. L.; Whitham, G. H. J. Chem. Soc., B 1970, 1374. (c) Prat, D.; Delpech, B.; Lett, R. Tetrahedron Lett. 1986, 27, 711.
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Henbest, H.B.1
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34
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37049138320
-
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Stereoselective preparation of epoxides can be achieved by the aid of the structure of the substrates, especially in the cyclic systems. The presence of a hydroxyl group close to the olefinic bond strongly determines the epoxide stereochemistry. For studies of the directive effect of the hydroxyl group, see: (a) Henbest, H. B. Proc. Chem. Soc. 1963, 159. (b) Chamberlain, P.; Roberts, M. L.; Whitham, G. H. J. Chem. Soc., B 1970, 1374. (c) Prat, D.; Delpech, B.; Lett, R. Tetrahedron Lett. 1986, 27, 711.
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Chamberlain, P.1
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Whitham, G.H.3
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35
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85022253152
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-
Stereoselective preparation of epoxides can be achieved by the aid of the structure of the substrates, especially in the cyclic systems. The presence of a hydroxyl group close to the olefinic bond strongly determines the epoxide stereochemistry. For studies of the directive effect of the hydroxyl group, see: (a) Henbest, H. B. Proc. Chem. Soc. 1963, 159. (b) Chamberlain, P.; Roberts, M. L.; Whitham, G. H. J. Chem. Soc., B 1970, 1374. (c) Prat, D.; Delpech, B.; Lett, R. Tetrahedron Lett. 1986, 27, 711.
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Prat, D.1
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Lett, R.3
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36
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0003348672
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Hanselaer, R.; Samson, R.; Vandewalle, M. Tetrahedron 1978, 34, 2393.
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37
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2142715501
-
-
note
-
2, 25°C, 86% yield (three steps)
-
-
-
-
38
-
-
2142755400
-
-
note
-
2 at 25°C afforded the corresponding piperonyl bromide 6b in 96% yield.
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-
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39
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0029051767
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(a) García, A.; Castedo, L.; Domínguez, D. Tetrahedron 1995, 51, 8585.
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0001007126
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0014328273
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