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0018784174
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See inter alia: (a) Danishefsky, S.; Kitahara, T.; Yan, C. F.; Morris, J. J. Am. Chem. Soc. 1879, 101, 6996. (b) Danishefsky, S.; Barbachyn, M. J. Am. Chem. Soc. 1985, 107, 7761. (c) Bao, J.; Dragisich, V.; Wenglowsky, S.; Wulff, W. D. J. Am. Chem. Soc. 1991, 113, 9873.
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7
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See inter alia: (a) Danishefsky, S.; Kitahara, T.; Yan, C. F.; Morris, J. J. Am. Chem. Soc. 1879, 101, 6996. (b) Danishefsky, S.; Barbachyn, M. J. Am. Chem. Soc. 1985, 107, 7761. (c) Bao, J.; Dragisich, V.; Wenglowsky, S.; Wulff, W. D. J. Am. Chem. Soc. 1991, 113, 9873.
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8
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0001313853
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See inter alia: (a) Danishefsky, S.; Kitahara, T.; Yan, C. F.; Morris, J. J. Am. Chem. Soc. 1879, 101, 6996. (b) Danishefsky, S.; Barbachyn, M. J. Am. Chem. Soc. 1985, 107, 7761. (c) Bao, J.; Dragisich, V.; Wenglowsky, S.; Wulff, W. D. J. Am. Chem. Soc. 1991, 113, 9873.
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(a) Cohen, T.; Mura, A. J., Jr.; Shull, D. W.; Fogel, E. R.; Ruffner, R. J.; Falck, J. R. J. Org. Chem. 1976, 41, 3218.
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85033821321
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Provided by the Rhône-Poulenc Chimie Co.
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Provided by the Rhône-Poulenc Chimie Co.
-
-
-
-
26
-
-
85033828339
-
-
note
-
A sample of pure E 4b has once been isolated by flash chromatography. It led to a 50:50 mixture of E,E and Z,E diene 5b (instead of the 70:30 mixture obtained from a 70:30 E/Z ratio of 4b). This can be accounted for if pure Z 4b leads to pure E,E 5b. The total amount of the recovered E,E isomer would then be %E,E[5b] = (%E[4b] × 0.5) + (%Z[4b] × 1.0) = 0.65 (experimentaly: 0.7).
-
-
-
-
29
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0025315885
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Duhamel, L.; Guillemont, J.; Legallic, Y; Plé, G.; Poirier, J. M.; Ramondenc, Y.; Chabardes, P. Tetrahedron Lett. 1990, 31, 3129.
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0000747519
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Mioskowski, C.; Manna, S; Falck, J. R. Tetrahedron Lett. 1984, 25, 519.
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Mioskowski, C.1
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33751386385
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(b) Gassman, P. G.; Burns, S. J.; Pfister, K. B. J. Org. Chem. 1993, 58, 1449. See also the related elimination taking place on thioacetal described in ref 5a.
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Gassman, P.G.1
Burns, S.J.2
Pfister, K.B.3
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34
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0030048161
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(b) Ainsworth, P. J.; Craig, D.; Reader, J. C.; Slawin, A. M. Z.; White, A. J. P.; Williams, D. J. Tetrahedron 1996, 52, 695. See also:
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Ainsworth, P.J.1
Craig, D.2
Reader, J.C.3
Slawin, A.M.Z.4
White, A.J.P.5
Williams, D.J.6
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35
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0029086342
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(c) Posner, G. H.; Cho, C. G.; Anjeh, T. E. N.; Johnson, N.; Horst, R. L.; Kobayashi, T.; Okano, T.; Tsugawa, N. J. Org. Chem. 1995, 60, 4617 and ref 6 therein.
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Johnson, N.4
Horst, R.L.5
Kobayashi, T.6
Okano, T.7
Tsugawa, N.8
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36
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0001605809
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Evans, D. A.; Bryan, C. A.; Sims, C. L. J. Am. Chem. Soc. 1972, 94, 2891.
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39
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37049115433
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For related exemples see: (a) Nagata, W.; Hayase, Y. J. Chem. Soc. C 1969, 460. (b) Le Gallic, Y. Ph.D. Thesis, Rouen University, France, 1992.
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Nagata, W.1
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40
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37049115433
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Ph.D. Thesis, Rouen University, France
-
For related exemples see: (a) Nagata, W.; Hayase, Y. J. Chem. Soc. C 1969, 460. (b) Le Gallic, Y. Ph.D. Thesis, Rouen University, France, 1992.
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(1992)
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Le Gallic, Y.1
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41
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84982348383
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(a) Montijn, P. P.; Harryvan, E.; Brandsma, L. Recl. Trav. Chim. Pays-Bas 1964, 83, 1211.
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Montijn, P.P.1
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Brandsma, L.3
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42
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84982379200
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(b) Kooyman, J. G. A.; Hendriks, H. P. G.; Montijn, P. P.; Brandsma, L.; Arens, J. F. Ibid. 1968, 87, 69.
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45
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Freidanck, F.; Maddaluno, J. F.; Gaonac'h, O.; Duhamel, L. Tetrahedron Lett. 1993, 34, 3871.
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Duhamel, L.; Chauvin, J.; Messier, A. J. Chem. Res., Synop. 1982 (S), 48.
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47
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85033827667
-
-
note
-
Stereochemistry of diene 7b is not thermally altered, as checked by warming it alone.
-
-
-
-
48
-
-
3643101366
-
-
See for instance: (a) Danishefsky, S.; Yan, C. F.; Mc Curry, P. M. J. Org. Chem. 1977, 42, 1819. (b) Overman, L. E.; Petty, C. B.; Ban, T.; Huang, G. T. J. Am. Chem. Soc. 1983, 105, 6335. (c) Blatcher, P.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1985, 1055. (d) Tripathy, R.; Franck, R. W.; Onan, K. D. J. Am. Chem. Soc. 1988, 110, 3257. (e) Branchadell, V.; Sodupe, M.; Ortuno, R. M.; Oliva, A.; Gomez-Pardo, A.; Guingant, A.; D'Angelo, J. J. Org. Chem. 1991, 56, 4135.
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(1977)
J. Org. Chem.
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Danishefsky, S.1
Yan, C.F.2
Mc Curry, P.M.3
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49
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0021095674
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See for instance: (a) Danishefsky, S.; Yan, C. F.; Mc Curry, P. M. J. Org. Chem. 1977, 42, 1819. (b) Overman, L. E.; Petty, C. B.; Ban, T.; Huang, G. T. J. Am. Chem. Soc. 1983, 105, 6335. (c) Blatcher, P.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1985, 1055. (d) Tripathy, R.; Franck, R. W.; Onan, K. D. J. Am. Chem. Soc. 1988, 110, 3257. (e) Branchadell, V.; Sodupe, M.; Ortuno, R. M.; Oliva, A.; Gomez-Pardo, A.; Guingant, A.; D'Angelo, J. J. Org. Chem. 1991, 56, 4135.
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J. Am. Chem. Soc.
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Overman, L.E.1
Petty, C.B.2
Ban, T.3
Huang, G.T.4
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50
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37049112898
-
-
See for instance: (a) Danishefsky, S.; Yan, C. F.; Mc Curry, P. M. J. Org. Chem. 1977, 42, 1819. (b) Overman, L. E.; Petty, C. B.; Ban, T.; Huang, G. T. J. Am. Chem. Soc. 1983, 105, 6335. (c) Blatcher, P.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1985, 1055. (d) Tripathy, R.; Franck, R. W.; Onan, K. D. J. Am. Chem. Soc. 1988, 110, 3257. (e) Branchadell, V.; Sodupe, M.; Ortuno, R. M.; Oliva, A.; Gomez-Pardo, A.; Guingant, A.; D'Angelo, J. J. Org. Chem. 1991, 56, 4135.
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(1985)
J. Chem. Soc., Perkin Trans. 1
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Blatcher, P.1
Warren, S.2
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51
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33845279009
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See for instance: (a) Danishefsky, S.; Yan, C. F.; Mc Curry, P. M. J. Org. Chem. 1977, 42, 1819. (b) Overman, L. E.; Petty, C. B.; Ban, T.; Huang, G. T. J. Am. Chem. Soc. 1983, 105, 6335. (c) Blatcher, P.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1985, 1055. (d) Tripathy, R.; Franck, R. W.; Onan, K. D. J. Am. Chem. Soc. 1988, 110, 3257. (e) Branchadell, V.; Sodupe, M.; Ortuno, R. M.; Oliva, A.; Gomez-Pardo, A.; Guingant, A.; D'Angelo, J. J. Org. Chem. 1991, 56, 4135.
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(1988)
J. Am. Chem. Soc.
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Tripathy, R.1
Franck, R.W.2
Onan, K.D.3
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52
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0001038178
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See for instance: (a) Danishefsky, S.; Yan, C. F.; Mc Curry, P. M. J. Org. Chem. 1977, 42, 1819. (b) Overman, L. E.; Petty, C. B.; Ban, T.; Huang, G. T. J. Am. Chem. Soc. 1983, 105, 6335. (c) Blatcher, P.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1985, 1055. (d) Tripathy, R.; Franck, R. W.; Onan, K. D. J. Am. Chem. Soc. 1988, 110, 3257. (e) Branchadell, V.; Sodupe, M.; Ortuno, R. M.; Oliva, A.; Gomez-Pardo, A.; Guingant, A.; D'Angelo, J. J. Org. Chem. 1991, 56, 4135.
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J. Org. Chem.
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Branchadell, V.1
Sodupe, M.2
Ortuno, R.M.3
Oliva, A.4
Gomez-Pardo, A.5
Guingant, A.6
D'Angelo, J.7
-
53
-
-
85033805304
-
-
note
-
1H NMR spectroscopy; selectivities have not been determined.
-
-
-
-
55
-
-
85033832012
-
-
note
-
Adduct 29 is also obtained as a single (endo) isomer.
-
-
-
-
56
-
-
33845373869
-
-
Kahn, S. D.; Pau, C. F.; Overman, L. E.; Herhe, W. J. J. Am. Chem. Soc. 1986, 108, 7381.
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Kahn, S.D.1
Pau, C.F.2
Overman, L.E.3
Herhe, W.J.4
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57
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84982058060
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Rücker, C.; Lang, D.; Sauer, J.; Friege, H.; Sustmann, R. Chem. Ber. 1980, 113, 1663.
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Rücker, C.1
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-
61
-
-
85033818062
-
-
note
-
The unusually large amount of aromatic material 37 recovered could however be due to an easy double 1,2-diaxial anti elimination made possible by a convex structure of the following type: (Equation Presented)
-
-
-
-
62
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0026721650
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Murase, M.; Hosaka, T.; Yoshida, N.; Tobinaga, S. Chem. Pharm. Bull. 1992, 40, 1343.
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0000396786
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Sustmann, R.; Rogge, M.; Nüchter, U.; Bandmann, H. Chem. Ber. 1991, 125, 1647.
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0001732694
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J. Wiley & Sons: New York
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See however the excellent conformational analysis by Bucourt, R. in Topics in Stereochemistry, Vol. 8; J. Wiley & Sons: New York, 1974.
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Bucourt, R.1
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(b) Beckmann, M.; Hildebrandt, H.; Winterfeldt, E. Tetrahedron: Asymm. 1990, 1, 335.
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Beckmann, M.1
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0026599439
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(c) Bloch, R.; Bortolussi, M.; Girard, C.; Seek, M. Tetrahedron 1992, 48, 453.
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0001290183
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Danishefsky, S.; Yan, C. F.; Singh, R. K.; Gammill, R. B.; McCurry, P. M.; Fritsch, N.; Clardy, J. J. Am. Chem. Soc. 1979, 101, 7001.
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Fritsch, N.6
Clardy, J.7
-
70
-
-
85033816618
-
-
note
-
Warming up 25 to reflux of xylenes only leads to a slow degradation/aromatization of this structure.
-
-
-
-
71
-
-
0000062563
-
-
This problem is still at the heart of active debates: (a) Rivera-Gaines, V. E.; Leibowitz, S. J.; Laane, J. J. Am. Chem. Soc. 1991, 113, 9735. (b) Anet, F. A. L.; Freedberg, D. I.; Storer, J. W.; Houk, K. N. J. Am. Chem. Soc. 1992, 114, 10969. (c) Anet, F. A. L. In The Conformational Analysis of Cyclohexenes, Cyclohexadienes, and Related Hydroaromatic Compounds; Rabideau, P. W., Ed.; VCH: New York, 1989. (d) Laane, J.; Choo, J. J. Am. Chem. Soc. 1994, 116, 3889. (e) Sieburth S. Mc. N. J. Chem. Soc., Chem. Commun. 1994, 1663.
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84984929707
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This problem is still at the heart of active debates: (a) Rivera-Gaines, V. E.; Leibowitz, S. J.; Laane, J. J. Am. Chem. Soc. 1991, 113, 9735. (b) Anet, F. A. L.; Freedberg, D. I.; Storer, J. W.; Houk, K. N. J. Am. Chem. Soc. 1992, 114, 10969. (c) Anet, F. A. L. In The Conformational Analysis of Cyclohexenes, Cyclohexadienes, and Related Hydroaromatic Compounds; Rabideau, P. W., Ed.; VCH: New York, 1989. (d) Laane, J.; Choo, J. J. Am. Chem. Soc. 1994, 116, 3889. (e) Sieburth S. Mc. N. J. Chem. Soc., Chem. Commun. 1994, 1663.
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0000062563
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Rabideau, P. W., Ed.; VCH: New York
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This problem is still at the heart of active debates: (a) Rivera-Gaines, V. E.; Leibowitz, S. J.; Laane, J. J. Am. Chem. Soc. 1991, 113, 9735. (b) Anet, F. A. L.; Freedberg, D. I.; Storer, J. W.; Houk, K. N. J. Am. Chem. Soc. 1992, 114, 10969. (c) Anet, F. A. L. In The Conformational Analysis of Cyclohexenes, Cyclohexadienes, and Related Hydroaromatic Compounds; Rabideau, P. W., Ed.; VCH: New York, 1989. (d) Laane, J.; Choo, J. J. Am. Chem. Soc. 1994, 116, 3889. (e) Sieburth S. Mc. N. J. Chem. Soc., Chem. Commun. 1994, 1663.
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(1989)
The Conformational Analysis of Cyclohexenes, Cyclohexadienes, and Related Hydroaromatic Compounds
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Anet, F.A.L.1
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74
-
-
84950546370
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-
This problem is still at the heart of active debates: (a) Rivera-Gaines, V. E.; Leibowitz, S. J.; Laane, J. J. Am. Chem. Soc. 1991, 113, 9735. (b) Anet, F. A. L.; Freedberg, D. I.; Storer, J. W.; Houk, K. N. J. Am. Chem. Soc. 1992, 114, 10969. (c) Anet, F. A. L. In The Conformational Analysis of Cyclohexenes, Cyclohexadienes, and Related Hydroaromatic Compounds; Rabideau, P. W., Ed.; VCH: New York, 1989. (d) Laane, J.; Choo, J. J. Am. Chem. Soc. 1994, 116, 3889. (e) Sieburth S. Mc. N. J. Chem. Soc., Chem. Commun. 1994, 1663.
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(1994)
J. Am. Chem. Soc.
, vol.116
, pp. 3889
-
-
Laane, J.1
Choo, J.2
-
75
-
-
37049074619
-
-
This problem is still at the heart of active debates: (a) Rivera-Gaines, V. E.; Leibowitz, S. J.; Laane, J. J. Am. Chem. Soc. 1991, 113, 9735. (b) Anet, F. A. L.; Freedberg, D. I.; Storer, J. W.; Houk, K. N. J. Am. Chem. Soc. 1992, 114, 10969. (c) Anet, F. A. L. In The Conformational Analysis of Cyclohexenes, Cyclohexadienes, and Related Hydroaromatic Compounds; Rabideau, P. W., Ed.; VCH: New York, 1989. (d) Laane, J.; Choo, J. J. Am. Chem. Soc. 1994, 116, 3889. (e) Sieburth S. Mc. N. J. Chem. Soc., Chem. Commun. 1994, 1663.
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(1994)
J. Chem. Soc., Chem. Commun.
, pp. 1663
-
-
Sieburth, S.Mc.N.1
-
76
-
-
85033821623
-
-
See ref 37d for a comparable observation
-
See ref 37d for a comparable observation.
-
-
-
-
77
-
-
85033817160
-
-
note
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43
-
-
-
-
79
-
-
0000504976
-
-
(b) Karelson, M.; Tamm, T.; Zerner, M. C. J. Phys. Chem. 1993, 97, 11901.
-
(1993)
J. Phys. Chem.
, vol.97
, pp. 11901
-
-
Karelson, M.1
Tamm, T.2
Zerner, M.C.3
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81
-
-
85033818900
-
-
Reference 26c and references cited therein
-
(b) Reference 26c and references cited therein.
-
-
-
-
84
-
-
0005480789
-
-
Apparao, S.; Rahman, A.; Ila, H.; Junjappa, H. Tetrahedron Lett. 1982, 23, 971.
-
(1982)
Tetrahedron Lett.
, vol.23
, pp. 971
-
-
Apparao, S.1
Rahman, A.2
Ila, H.3
Junjappa, H.4
-
85
-
-
0005755250
-
-
In agreement with a personal suggestion by Dr. S. Warren but in contradiction with Kwart, H.; Johnson, N. J. Am. Chem. Soc. 1970, 92, 6064 and ref 44c. See also in relation recent evidences about photochemical [1,3]-stannyl migration of 3-aryl-substituted allyltins: Takuwa, A.; Kanaue, T.; Nishigaichi, Y.; Iwamoto, H. Tetrahedron Lett. 1995, 36, 575.
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(1970)
J. Am. Chem. Soc.
, vol.92
, pp. 6064
-
-
Kwart, H.1
Johnson, N.2
-
86
-
-
0028895687
-
-
In agreement with a personal suggestion by Dr. S. Warren but in contradiction with Kwart, H.; Johnson, N. J. Am. Chem. Soc. 1970, 92, 6064 and ref 44c. See also in relation recent evidences about photochemical [1,3]-stannyl migration of 3-aryl-substituted allyltins: Takuwa, A.; Kanaue, T.; Nishigaichi, Y.; Iwamoto, H. Tetrahedron Lett. 1995, 36, 575.
-
(1995)
Tetrahedron Lett.
, vol.36
, pp. 575
-
-
Takuwa, A.1
Kanaue, T.2
Nishigaichi, Y.3
Iwamoto, H.4
-
87
-
-
3643144156
-
-
See for instance: (a) Liu, P.; Whitham, G. H. J. Chem. Soc., Chem. Commun. 1983, 1102. (b) Padwa, A.; Bullock, W. H.; Dyszlewski, A. D. Tetrahedron Lett. 1987, 28, 3193; J. Org. Chem. 1990, 55, 955. (c) Jones-Hertzog, D. K.; Jorgensen, W. L. J. Am. Chem. Soc. 1995, 117, 9077.
-
(1983)
J. Chem. Soc., Chem. Commun.
, pp. 1102
-
-
Liu, P.1
Whitham, G.H.2
-
88
-
-
0001078331
-
-
See for instance: (a) Liu, P.; Whitham, G. H. J. Chem. Soc., Chem. Commun. 1983, 1102. (b) Padwa, A.; Bullock, W. H.; Dyszlewski, A. D. Tetrahedron Lett. 1987, 28, 3193; J. Org. Chem. 1990, 55, 955. (c) Jones-Hertzog, D. K.; Jorgensen, W. L. J. Am. Chem. Soc. 1995, 117, 9077.
-
(1987)
Tetrahedron Lett.
, vol.28
, pp. 3193
-
-
Padwa, A.1
Bullock, W.H.2
Dyszlewski, A.D.3
-
89
-
-
0025349519
-
-
See for instance: (a) Liu, P.; Whitham, G. H. J. Chem. Soc., Chem. Commun. 1983, 1102. (b) Padwa, A.; Bullock, W. H.; Dyszlewski, A. D. Tetrahedron Lett. 1987, 28, 3193; J. Org. Chem. 1990, 55, 955. (c) Jones-Hertzog, D. K.; Jorgensen, W. L. J. Am. Chem. Soc. 1995, 117, 9077.
-
(1990)
J. Org. Chem.
, vol.55
, pp. 955
-
-
-
90
-
-
0038332026
-
-
See for instance: (a) Liu, P.; Whitham, G. H. J. Chem. Soc., Chem. Commun. 1983, 1102. (b) Padwa, A.; Bullock, W. H.; Dyszlewski, A. D. Tetrahedron Lett. 1987, 28, 3193; J. Org. Chem. 1990, 55, 955. (c) Jones-Hertzog, D. K.; Jorgensen, W. L. J. Am. Chem. Soc. 1995, 117, 9077.
-
(1995)
J. Am. Chem. Soc.
, vol.117
, pp. 9077
-
-
Jones-Hertzog, D.K.1
Jorgensen, W.L.2
-
94
-
-
0003625321
-
-
Oakridge National Laboratory, Tennessee
-
(c) Johnson, C. K. ORTEP, Report ORNL-3794, Oakridge National Laboratory, Tennessee, 1965.
-
(1965)
ORTEP, Report ORNL-3794
-
-
Johnson, C.K.1
-
95
-
-
20444483055
-
-
Obtained by averaging eqs 5 and 8 in Haasnoot, C. A. G.; De Leeuw, F. A. A. M.; Altona, C. Tetrahedron 1980, 36, 2783. The electronegativities of substituants have been neglected for eq 8 since the strain induced by bicyclic structures could not be taken into account while probably of prime importance in this system. The equation retained here gives fair account for threshold values.
-
(1980)
Tetrahedron
, vol.36
, pp. 2783
-
-
Haasnoot, C.A.G.1
De Leeuw, F.A.A.M.2
Altona, C.3
-
96
-
-
0842341771
-
-
(a) Dewar, M. J. S.; Zoebisch, E. G.; Healy, E. F.; Stewart, J. P. J. J. Am. Chem. Soc. 1985, 107, 3902.
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(1985)
J. Am. Chem. Soc.
, vol.107
, pp. 3902
-
-
Dewar, M.J.S.1
Zoebisch, E.G.2
Healy, E.F.3
Stewart, J.P.J.4
-
98
-
-
84884501597
-
-
Gaussian, Inc., Pittsburgh, PA
-
GAUSSIAN 92, Revision B: Frisch, M. B.; Trucks, G. W.; Head-Gordon, M.; Gill, P. M. W.; Wong, M. W.; Foresman, J. B.; Johnson, B. G.; Schlegel, H. B.; Robb, M.A.; Replogle, E. S.; Gonperts, R.; Andres, J. L.; Raghavachari, K.; Binkley, J. S.; Gonzalez, C.; Martin, R. L.; Fox, D. J.; Defrees, D. J.; Baker, J.; Stewart, J.J. P.; Pople, J. A., Gaussian, Inc., Pittsburgh, PA, 1992.
-
(1992)
GAUSSIAN 92, Revision B
-
-
Frisch, M.B.1
Trucks, G.W.2
Head-Gordon, M.3
Gill, P.M.W.4
Wong, M.W.5
Foresman, J.B.6
Johnson, B.G.7
Schlegel, H.B.8
Robb, M.A.9
Replogle, E.S.10
Gonperts, R.11
Andres, J.L.12
Raghavachari, K.13
Binkley, J.S.14
Gonzalez, C.15
Martin, R.L.16
Fox, D.J.17
Defrees, D.J.18
Baker, J.19
Stewart, J.J.P.20
Pople, J.A.21
more..
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99
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85033815446
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note
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The authors have deposited atomic coordinates for structures 25 and 28 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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