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1542608464
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The indole may arise from oxidation of the 2-lithioindoline with benzophenone or allyl bromide.
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24
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0000453193
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Unpublished work.
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33748615119
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1542398823
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28a When terf-butyllithium/(-)-sparteine was used as a chiral base for the lithiation-substitution of 12, only the product from lithium-chlorine exchange was isolated.
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31
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85088542262
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32
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For studies on configurational stability of dipole-stabilized carbanions, see (a) Pearson, W. H.; Lindbeck, A. C. J. Am. Chem. Soc. 1991, 113, 8546-8548. (b) Chong, J. M.; Park, S. B. J. Org. Chem. 1992, 57, 2220-2222. (c) Gawley, R. E.; Zhang, Q. Tetrahedron 1994, 50, 6077-6088. (d) Elworthy, T. R.; Meyers, A. I. Tetrahedron 1994, 50, 6089-6096. (e) Aggarwal, V. K. Angew. Chem., Int. Ed. Engl. 1994, 33, 175.
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33748244146
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For studies on configurational stability of dipole-stabilized carbanions, see (a) Pearson, W. H.; Lindbeck, A. C. J. Am. Chem. Soc. 1991, 113, 8546-8548. (b) Chong, J. M.; Park, S. B. J. Org. Chem. 1992, 57, 2220-2222. (c) Gawley, R. E.; Zhang, Q. Tetrahedron 1994, 50, 6077-6088. (d) Elworthy, T. R.; Meyers, A. I. Tetrahedron 1994, 50, 6089-6096. (e) Aggarwal, V. K. Angew. Chem., Int. Ed. Engl. 1994, 33, 175.
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Ph.D. Thesis, University of Illinois at Urbana-Champaign
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Kerrick, S.T.1
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46
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85088543470
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23c,24
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47
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85088542279
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2H NMR.
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