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1
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0026045597
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For reviews describing mechanistic, synthetic, and DNA-cleaving studies of neocarzinostatin, calicheamicin, esperamicin, and dynemicin, see: (a) Nicolaou, K. C.; Dai, W.-M. Angew. Chem., Int. Ed. Engl. 1991, 30, 1387. (b) Lee, M. D.; Ellestad, G. A.; Borders, D. B. Acc. Chem. Res. 1991, 24, 235. (c) Goldberg, I. H. Acc. Chem. Res. 1991, 24, 191. (d) Nicolaou, K. C.; Smith, A. L. In Modern Acetylene Chemistry; Stang, P. J.; Diederich, F., Eds.; VCH Publishers, Inc.: New York, 1995; pp 203-283.
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0001163468
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For reviews describing mechanistic, synthetic, and DNA-cleaving studies of neocarzinostatin, calicheamicin, esperamicin, and dynemicin, see: (a) Nicolaou, K. C.; Dai, W.-M. Angew. Chem., Int. Ed. Engl. 1991, 30, 1387. (b) Lee, M. D.; Ellestad, G. A.; Borders, D. B. Acc. Chem. Res. 1991, 24, 235. (c) Goldberg, I. H. Acc. Chem. Res. 1991, 24, 191. (d) Nicolaou, K. C.; Smith, A. L. In Modern Acetylene Chemistry; Stang, P. J.; Diederich, F., Eds.; VCH Publishers, Inc.: New York, 1995; pp 203-283.
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For reviews describing mechanistic, synthetic, and DNA-cleaving studies of neocarzinostatin, calicheamicin, esperamicin, and dynemicin, see: (a) Nicolaou, K. C.; Dai, W.-M. Angew. Chem., Int. Ed. Engl. 1991, 30, 1387. (b) Lee, M. D.; Ellestad, G. A.; Borders, D. B. Acc. Chem. Res. 1991, 24, 235. (c) Goldberg, I. H. Acc. Chem. Res. 1991, 24, 191. (d) Nicolaou, K. C.; Smith, A. L. In Modern Acetylene Chemistry; Stang, P. J.; Diederich, F., Eds.; VCH Publishers, Inc.: New York, 1995; pp 203-283.
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Goldberg, I.H.1
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0002036041
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Stang, P. J.; Diederich, F., Eds.; VCH Publishers, Inc.: New York
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For reviews describing mechanistic, synthetic, and DNA-cleaving studies of neocarzinostatin, calicheamicin, esperamicin, and dynemicin, see: (a) Nicolaou, K. C.; Dai, W.-M. Angew. Chem., Int. Ed. Engl. 1991, 30, 1387. (b) Lee, M. D.; Ellestad, G. A.; Borders, D. B. Acc. Chem. Res. 1991, 24, 235. (c) Goldberg, I. H. Acc. Chem. Res. 1991, 24, 191. (d) Nicolaou, K. C.; Smith, A. L. In Modern Acetylene Chemistry; Stang, P. J.; Diederich, F., Eds.; VCH Publishers, Inc.: New York, 1995; pp 203-283.
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15844426110
-
-
note
-
The thiophenyl substituent was selected to serve as a handle in a projected [2,3] allyl sulfoxide-sulfenate rearrangement for the installation of a calicheamicin-type exocyclic double bond.
-
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-
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14
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0025053566
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(a) Kageyama, M.; Tamura, T.; Nantz, M. H.; Roberts, J. C.; Somfai, P.; Whritenour, D. C.; Masamune, S. J. Am. Chem. Soc. 1990, 112, 7407.
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Whritenour, D.C.6
Masamune, S.7
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16
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15844366875
-
-
note
-
13C) and IR data were obtained for all new compounds described herein. For details see the Experimental Section and supporting information.
-
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17
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15844388696
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For specific data see the supporting information
-
For specific data see the supporting information.
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29
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0000295477
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For control of ketene acetal geometry in esters, see: (a) Ireland, R. E.; Mueller, R. H. J. Am. Chem. Soc. 1972, 94, 5897. (b) Ireland, R. E.; Wipf, P.; Armstrong, J. D., III. J. Org. Chem. 1991, 56, 650. (c) Ireland, R. E.; Wipf, P.; Xiang, J.-N. J. Org. Chem. 1991, 56, 3572. (d) Hattori, K.; Yamamoto, H. Tetrahedron 1994, 50, 3099.
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Mueller, R.H.2
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33751499786
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For control of ketene acetal geometry in esters, see: (a) Ireland, R. E.; Mueller, R. H. J. Am. Chem. Soc. 1972, 94, 5897. (b) Ireland, R. E.; Wipf, P.; Armstrong, J. D., III. J. Org. Chem. 1991, 56, 650. (c) Ireland, R. E.; Wipf, P.; Xiang, J.-N. J. Org. Chem. 1991, 56, 3572. (d) Hattori, K.; Yamamoto, H. Tetrahedron 1994, 50, 3099.
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31
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0000964816
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For control of ketene acetal geometry in esters, see: (a) Ireland, R. E.; Mueller, R. H. J. Am. Chem. Soc. 1972, 94, 5897. (b) Ireland, R. E.; Wipf, P.; Armstrong, J. D., III. J. Org. Chem. 1991, 56, 650. (c) Ireland, R. E.; Wipf, P.; Xiang, J.-N. J. Org. Chem. 1991, 56, 3572. (d) Hattori, K.; Yamamoto, H. Tetrahedron 1994, 50, 3099.
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Xiang, J.-N.3
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32
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0028216123
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For control of ketene acetal geometry in esters, see: (a) Ireland, R. E.; Mueller, R. H. J. Am. Chem. Soc. 1972, 94, 5897. (b) Ireland, R. E.; Wipf, P.; Armstrong, J. D., III. J. Org. Chem. 1991, 56, 650. (c) Ireland, R. E.; Wipf, P.; Xiang, J.-N. J. Org. Chem. 1991, 56, 3572. (d) Hattori, K.; Yamamoto, H. Tetrahedron 1994, 50, 3099.
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Hattori, K.1
Yamamoto, H.2
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0026763185
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For precedent on selective complexation of enediynes, see: Magnus, P.; Carter, P.; Elliott, J.; Lewis, R.; Harling, J.; Pitterna, T.; Bauta, W. E.; Fortt, S. J. Am. Chem. Soc. 1992, 114, 2544 and earlier work.
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Fortt, S.8
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34
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0001377606
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Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds.; G. Theime: Stuttgart
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For an excellent recent review of the Claisen rearrangement, see: Frauenrath, H. In Houben-Weyl, Methods of Organic Chemistry; 4th ed.; Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds.; G. Theime: Stuttgart, 1995; Vol. E 21d, pp 3301-3547. For key papers on the lactonic variation of the Ireland-Claisen process, see: (a) Danishefsky, S.; Funk, R. L.; Kerwin, J. F., Jr. J. Am. Chem. Soc. 1980, 102, 6889. (b) Abelman, M. M.; Funk, R. L.; Munger, J. D., Jr. J. Am. Chern. Soc. 1982, 104, 4030. (c) Cameron, A. G.; Knight, D. W. Tetrahedron Lett. 1982, 23, 5455. (d) Brunner, R. K.; Borachberg, H.-J. Helv. Chim. Acta 1983, 66, 2608. (e) Reference 4. (f) Corey, E. J.; Kania, R. S. J. Am. Chem. Soc. 1996, 118, 1229.
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Frauenrath, H.1
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35
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0001088615
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For an excellent recent review of the Claisen rearrangement, see: Frauenrath, H. In Houben-Weyl, Methods of Organic Chemistry; 4th ed.; Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds.; G. Theime: Stuttgart, 1995; Vol. E 21d, pp 3301-3547. For key papers on the lactonic variation of the Ireland-Claisen process, see: (a) Danishefsky, S.; Funk, R. L.; Kerwin, J. F., Jr. J. Am. Chem. Soc. 1980, 102, 6889. (b) Abelman, M. M.; Funk, R. L.; Munger, J. D., Jr. J. Am. Chern. Soc. 1982, 104, 4030. (c) Cameron, A. G.; Knight, D. W. Tetrahedron Lett. 1982, 23, 5455. (d) Brunner, R. K.; Borachberg, H.-J. Helv. Chim. Acta 1983, 66, 2608. (e) Reference 4. (f) Corey, E. J.; Kania, R. S. J. Am. Chem. Soc. 1996, 118, 1229.
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Danishefsky, S.1
Funk, R.L.2
Kerwin Jr., J.F.3
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36
-
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0000648665
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For an excellent recent review of the Claisen rearrangement, see: Frauenrath, H. In Houben-Weyl, Methods of Organic Chemistry; 4th ed.; Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds.; G. Theime: Stuttgart, 1995; Vol. E 21d, pp 3301-3547. For key papers on the lactonic variation of the Ireland-Claisen process, see: (a) Danishefsky, S.; Funk, R. L.; Kerwin, J. F., Jr. J. Am. Chem. Soc. 1980, 102, 6889. (b) Abelman, M. M.; Funk, R. L.; Munger, J. D., Jr. J. Am. Chern. Soc. 1982, 104, 4030. (c) Cameron, A. G.; Knight, D. W. Tetrahedron Lett. 1982, 23, 5455. (d) Brunner, R. K.; Borachberg, H.-J. Helv. Chim. Acta 1983, 66, 2608. (e) Reference 4. (f) Corey, E. J.; Kania, R. S. J. Am. Chem. Soc. 1996, 118, 1229.
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Abelman, M.M.1
Funk, R.L.2
Munger Jr., J.D.3
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15844396341
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For an excellent recent review of the Claisen rearrangement, see: Frauenrath, H. In Houben-Weyl, Methods of Organic Chemistry; 4th ed.; Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds.; G. Theime: Stuttgart, 1995; Vol. E 21d, pp 3301-3547. For key papers on the lactonic variation of the Ireland-Claisen process, see: (a) Danishefsky, S.; Funk, R. L.; Kerwin, J. F., Jr. J. Am. Chem. Soc. 1980, 102, 6889. (b) Abelman, M. M.; Funk, R. L.; Munger, J. D., Jr. J. Am. Chern. Soc. 1982, 104, 4030. (c) Cameron, A. G.; Knight, D. W. Tetrahedron Lett. 1982, 23, 5455. (d) Brunner, R. K.; Borachberg, H.-J. Helv. Chim. Acta 1983, 66, 2608. (e) Reference 4. (f) Corey, E. J.; Kania, R. S. J. Am. Chem. Soc. 1996, 118, 1229.
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Cameron, A.G.1
Knight, D.W.2
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38
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2142697741
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For an excellent recent review of the Claisen rearrangement, see: Frauenrath, H. In Houben-Weyl, Methods of Organic Chemistry; 4th ed.; Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds.; G. Theime: Stuttgart, 1995; Vol. E 21d, pp 3301-3547. For key papers on the lactonic variation of the Ireland-Claisen process, see: (a) Danishefsky, S.; Funk, R. L.; Kerwin, J. F., Jr. J. Am. Chem. Soc. 1980, 102, 6889. (b) Abelman, M. M.; Funk, R. L.; Munger, J. D., Jr. J. Am. Chern. Soc. 1982, 104, 4030. (c) Cameron, A. G.; Knight, D. W. Tetrahedron Lett. 1982, 23, 5455. (d) Brunner, R. K.; Borachberg, H.-J. Helv. Chim. Acta 1983, 66, 2608. (e) Reference 4. (f) Corey, E. J.; Kania, R. S. J. Am. Chem. Soc. 1996, 118, 1229.
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Brunner, R.K.1
Borachberg, H.-J.2
-
39
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15844427546
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Reference 4
-
For an excellent recent review of the Claisen rearrangement, see: Frauenrath, H. In Houben-Weyl, Methods of Organic Chemistry; 4th ed.; Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds.; G. Theime: Stuttgart, 1995; Vol. E 21d, pp 3301-3547. For key papers on the lactonic variation of the Ireland-Claisen process, see: (a) Danishefsky, S.; Funk, R. L.; Kerwin, J. F., Jr. J. Am. Chem. Soc. 1980, 102, 6889. (b) Abelman, M. M.; Funk, R. L.; Munger, J. D., Jr. J. Am. Chern. Soc. 1982, 104, 4030. (c) Cameron, A. G.; Knight, D. W. Tetrahedron Lett. 1982, 23, 5455. (d) Brunner, R. K.; Borachberg, H.-J. Helv. Chim. Acta 1983, 66, 2608. (e) Reference 4. (f) Corey, E. J.; Kania, R. S. J. Am. Chem. Soc. 1996, 118, 1229.
-
-
-
-
40
-
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0029928630
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For an excellent recent review of the Claisen rearrangement, see: Frauenrath, H. In Houben-Weyl, Methods of Organic Chemistry; 4th ed.; Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds.; G. Theime: Stuttgart, 1995; Vol. E 21d, pp 3301-3547. For key papers on the lactonic variation of the Ireland-Claisen process, see: (a) Danishefsky, S.; Funk, R. L.; Kerwin, J. F., Jr. J. Am. Chem. Soc. 1980, 102, 6889. (b) Abelman, M. M.; Funk, R. L.; Munger, J. D., Jr. J. Am. Chern. Soc. 1982, 104, 4030. (c) Cameron, A. G.; Knight, D. W. Tetrahedron Lett. 1982, 23, 5455. (d) Brunner, R. K.; Borachberg, H.-J. Helv. Chim. Acta 1983, 66, 2608. (e) Reference 4. (f) Corey, E. J.; Kania, R. S. J. Am. Chem. Soc. 1996, 118, 1229.
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44
-
-
15844429295
-
-
note
-
The author has deposited atomic coordinates for these structures with the Cambridge Crystallographic Data Centre. The coordinates can be obtained, on request, from the Director, Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge, CB2 1EZ, UK.
-
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45
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0001432464
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and relevant citations found in ref 4
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