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Valencia, E.1
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0021670607
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33748646785
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0032171338
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37049081102
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0001673091
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Trost, B.M.; Fleming, I., Eds.; Pergamon: Oxford
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For reviews, see: a) Hiemstra, H; Speckamp, W.N. In Comprehensive Organic Synthesis; Trost, B.M.; Fleming, I., Eds.; Pergamon: Oxford, 1991; Vol. 2, pp 1047-1082.
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e) Shono, T. Tetrahedron 1984, 40, 811-850.
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0029058566
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30
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0013601163
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5a
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5a
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31
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0013608037
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note
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7N: C, 62.83; H, 5.78; N, 3.49. Found: C, 62.68; H, 5.81; N, 3.51.
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32
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0001898319
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For a similar intramolecular cyclization via an acyliminium ion, see, for example: a) Heaney, H.; Simcox, M.T.; Slawin, A.M.Z.; Giles, R.G. Synlett 1998, 640-642.
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Synlett
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Heaney, H.1
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Slawin, A.M.Z.3
Giles, R.G.4
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33
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0001157440
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b) Collado, M.I.; Manteca, I.; Sotomayor, N.; Villa, M.-J.; Lete, E. J. Org. Chem. 1997, 62, 2080-2092.
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Collado, M.I.1
Manteca, I.2
Sotomayor, N.3
Villa, M.-J.4
Lete, E.5
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34
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0000901825
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c) Alonso, R.; Castedo, L.; Domìnguez, D. Tetrahedron Lett. 1985, 26, 2925-2928.
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Alonso, R.1
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Domìnguez, D.3
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35
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0001024913
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Yamauchi, T.; Hattori, K.; Nakao, K.; Tamaki, K. Bull. Chem. Soc. Jpn. 1987, 60, 4015-4018.
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Yamauchi, T.1
Hattori, K.2
Nakao, K.3
Tamaki, K.4
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36
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0013580672
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2b,1c
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2b,1c)
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