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35348923465
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38349093055
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(d) For a review concerning cycloadditions, see: Battiste, M. A.; Pelphrey, P. M.; Wright, D. L. Chem. - Eur. J. 2006, 12, 3438.
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8
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(e) For a review concerning ring expansions, see: Kantorowski, E. J.; Kurth, M. J. Tetrahedron 2000, 56, 4317.
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(b) Illuminati, G.; Mandolini, L. Acc. Chem. Res. 1981, 14, 95; See also refs 2d - e.
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13
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27744568279
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(c) For a review concerning Pd reactions, see: Muzart. J. Tetrahedron, 2005, 61, 9423.
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Muzart, J.1
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Ochiai, M.1
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(f) For a review concerning HTIB, see: Koser, G. F. Aldnchim. Acta 2001, 34, 89.
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Koser, G.F.1
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25
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3142740716
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For some papers concerning the use of HTIB in rearrangements, see: a
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For some papers concerning the use of HTIB in rearrangements, see: (a) Justik, M. W.; Koser, G. F. Tetrahedron Lett. 2004, 45, 6159.
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(c) Silva, L. F., Jr.; Siqueira, F. A.; Pedrozo, E. C.; Vieira, F. Y. M.; Doriguetto, A. C. Org. Lett. 2007, 9, 1433.
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Doriguetto, A.C.5
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28
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58149181949
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See also ref 5
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(d) See also ref 5.
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-
-
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30
-
-
58149196769
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+ is probably an acid-catalyzed auto-catalytic process.
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+ is probably an acid-catalyzed auto-catalytic process.
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-
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31
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58149189033
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TLC analysis showed that 14 is formed after the work-up.
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TLC analysis showed that 14 is formed after the work-up.
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-
-
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32
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36448957637
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For reviews concerning the synthesis of medium rings lactones, including oxidative cleavage approaches, see: (a) Ferraz, H. M. C.; Bombonato, F. I.; L,ongo, L. S., Jr. Synthesis 2007, 3261.
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For reviews concerning the synthesis of medium rings lactones, including oxidative cleavage approaches, see: (a) Ferraz, H. M. C.; Bombonato, F. I.; L,ongo, L. S., Jr. Synthesis 2007, 3261.
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34
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30744472617
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A correlation between yield of the product and migratory aptitude was noted in Tl(III)-mediated ring contraction of 1,2-di-hydronaphtha-ienes: Silva, L. F., Jr.; Sousa, R. M. F.; Ferraz, H. M. C.; Aguilar, A. M. J. Braz. Chem. Soc. 2005, 16, 1160. See also ref 9c.
-
A correlation between yield of the product and migratory aptitude was noted in Tl(III)-mediated ring contraction of 1,2-di-hydronaphtha-ienes: Silva, L. F., Jr.; Sousa, R. M. F.; Ferraz, H. M. C.; Aguilar, A. M. J. Braz. Chem. Soc. 2005, 16, 1160. See also ref 9c.
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-
-
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35
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58149201543
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m for OMe is 0.11.
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m for OMe is 0.11.
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36
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58149192426
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The relative configuration of 24 was assigned based on NMR data of related compounds
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The relative configuration of 24 was assigned based on NMR data of related compounds: Tankrad, M. H.; Whitchurst, J. S. Tetrahedron 1974, 30, 451.
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Tankrad, M.H.1
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28844441702
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Liu, P.; Liu, S. J.: Zhang, J. Z.; Tian, G. R. Synth. Commun. 2005, 35, 3173.
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Liu, P.1
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Tian, G.R.4
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