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Syntheses of cis-trikentrins and of herbindoles: (a) Jackson, S. K.; Kerr, M. A. J. Org. Chem. 2007, 72, 1405.
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(g) Muratake, H.; Seino, T.; Natsume, M. Tetrahedron Lett. 1993, 34, 4815.
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0000987191
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Syntheses of trans-trikentrins: MacLeod, J. K.; Ward, A.; Willis, A. C. Aust. J. Chem. 1998, 51, 177 and refs 4f,g,i,j,k, and m.
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Syntheses of trans-trikentrins: MacLeod, J. K.; Ward, A.; Willis, A. C. Aust. J. Chem. 1998, 51, 177 and refs 4f,g,i,j,k, and m.
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21
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0043159086
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For reviews concerning ring contraction reactions, see: a, Hart, H, Karabastos, G. J, Eds, Academic Press: New York and London
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For reviews concerning ring contraction reactions, see: (a) Redmore, D.; Gutsche, C. D. In Advances in Alicyclic Chemistry; Hart, H., Karabastos, G. J., Eds.; Academic Press: New York and London, 1971; Vol. 3, p 1.
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(a) Ferraz, H. M. C.; Silva, L. F., Jr.; Vieira, T. O. Tetrahedron 2001, 57, 1709.
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For a review concerning Tl(III)-mediated ring contractions, see: (c) Ferraz, H. M. C.; Silva, L. F., Jr. Quim. Nova 2000, 23, 216.
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For a review concerning Tl(III)-mediated ring contractions, see: (c) Ferraz, H. M. C.; Silva, L. F., Jr. Quim. Nova 2000, 23, 216.
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26
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For Tl(III)-mediated ring contraction in the synthesis of alkaloids, see: (d) Rigby, J. H.; Pigge, F. C. J. Org. Chem. 1995, 60, 7392.
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27
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61349136797
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See also references cited in reviews 6b and 7c.
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(e) See also references cited in reviews 6b and 7c.
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28
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34247485906
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37549041487
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33846304653
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(e) Takayama, H.; Misawa, K.; Okada, N.; Ishikawa, H.; Kitajima, M.; Hatori, Y.; Murayama, T.; Wongseripipatana, S.; Tashima, K.; Matsumoto, K.; Horie, S. Org. Lett. 2006, 8, 5705.
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33846061736
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0000837348
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4, see: Hutchins, R. O.; Kandasamy, D.; Dux, F., III; Maryanoff, C. A.; Rotstein, D.; Goldsmith. B.; Burgoyne, W.; Cistone, F.; Dalessandro, J.; Puglis, J. J. Org. Chem. 1978, 43, 2259.
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4, see: Hutchins, R. O.; Kandasamy, D.; Dux, F., III; Maryanoff, C. A.; Rotstein, D.; Goldsmith. B.; Burgoyne, W.; Cistone, F.; Dalessandro, J.; Puglis, J. J. Org. Chem. 1978, 43, 2259.
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37
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0024583123
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(a) Bartoli, G.; Palmieri, G.; Bosco, M.; Dalpozzo, R. Tetrahedron Lett. 1989, 30, 2129.
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Bartoli, G.1
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Dalpozzo, R.4
-
40
-
-
61349201321
-
-
The product of this reaction was also obtained by an alternative route. See Supporting Information for details
-
The product of this reaction was also obtained by an alternative route. See Supporting Information for details.
-
-
-
-
42
-
-
61349117218
-
-
7a,b,8
-
7a,b,8
-
-
-
-
43
-
-
33947206220
-
-
3/ anisole. see: Wada, Y.; Nagasaki, H.; Tokuda, M.; Orito, K. J. Org. Chem. 2007, 72, 2008.
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3/ anisole. see: Wada, Y.; Nagasaki, H.; Tokuda, M.; Orito, K. J. Org. Chem. 2007, 72, 2008.
-
-
-
-
44
-
-
61349143564
-
-
All attempts to obtain the ester 6 with a Boc group instead of the Bn failed in the Heck reaction.
-
All attempts to obtain the ester 6 with a Boc group instead of the Bn failed in the Heck reaction.
-
-
-
-
45
-
-
0010689651
-
-
4, see: (a) Passacantilli, P. Tetrahedron Lett. 1989, 30, 5349.
-
4, see: (a) Passacantilli, P. Tetrahedron Lett. 1989, 30, 5349.
-
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46
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0031800053
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(b) Bettelli, E.; D'Andrea, P.; Mascanzoni, S.; Passacantilli, P.; Piancatelli, G. Carbohydr. Res. 1998, 306, 221.
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Passacantilli, P.4
Piancatelli, G.5
-
47
-
-
61349143563
-
-
1H NMR analysis.
-
1H NMR analysis.
-
-
-
-
48
-
-
23044496800
-
-
For stereoselective syntheses of indane 20, see: (a) 20b (30:1, trans: cis) Arp, F. O.; Fu, G. C. J. Am. Chem. Soc. 2005, 127, 10482.
-
For stereoselective syntheses of indane 20, see: (a) 20b (30:1, trans: cis) Arp, F. O.; Fu, G. C. J. Am. Chem. Soc. 2005, 127, 10482.
-
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49
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0037035083
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20a (12:1, cis:trans) Bailey, W. F.; Mealy, M. J.; Wiberg, K. B. Org. Lett. 2002, 4, 791.
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(b) 20a (12:1, cis:trans) Bailey, W. F.; Mealy, M. J.; Wiberg, K. B. Org. Lett. 2002, 4, 791.
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-
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50
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0037147939
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Routier, S.; Saugé, L.; Ayerbe, N.; Coudert, G.; Mérour, J.-Y. Tetrahedron Lett. 2002, 43, 589.
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Mérour, J.-Y.5
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