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[6c] (E)/(Z) selective enolization of α-siloxy esters, see K. Hattori, H. Yamamoto, Tetrahedron 1994, 50, 3099-3112.
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[6e] α-D-Glucofuranose-derived silyl ketene acetals, see L. Duhamel, P. Angibaud, J. R. Desmur, J. Y. Valnot, Synlett 1991, 807-808.
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33749021604
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note
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Further details of the crystal structure investigation are available from the Fachinformationszentrum Karlsruhe, Gesellschaft für wissenschaftlich-technische Information mbH, D-76344 Eggenstein-Leopoldshafen (Germany), on quoting the depository number CSD-59246, the names of the authors and the journal citation.
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23
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For structural data of lithium enolates, see [8a] D. Seebach, Angew. Chem. 1988, 100, 1685-1715;
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[8d] D. Waldmüller, B. Mayer, M. Braun, A. Hanuschik, C. Krüger, P. Guenot, Chem. Ber. 1992, 125, 2779-2782.
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0000962487
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Influence of amide base on reactivity and selectivity of lithium enolates, see J. R. Mohrig, P. K. Lee, K. A. Stein, M. J. Mitton, R. E. Rosenberg, J. Org. Chem. 1995, 60, 3529-3532, and references cited therein.
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Other examples of "back firing" of protons from dialkylamines to enolates (internal proton return), see [10a] P. A. Magriotis, K. D. Kim, J. Am. Chem. Soc. 1993, 115, 2972-2973.
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[10c] T. Laube, J. D. Dunitz, D. Seebach, Helv. Chim. Acta 1985, 68, 1373-1393.
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