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0038418837
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Current address: Department of Chemistry, University of Chicago, 5735 South Ellis Avenue.Chicago, IL 60637, USA
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Current address: Department of Chemistry, University of Chicago, 5735 South Ellis Avenue.Chicago, IL 60637, USA.
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2
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0038080277
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EP 632008
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0037742749
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in press
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(e) Hasegawa, T.; Kawanaka, Y.; Kasamatsu, E.; Iguchi, Y.; Yonekawa, Y.; Okamoto, M.; Ohta, C.; Hashimoto, S.; Ohuchida, S. Org. Process Res. Dev. 2003, in press.
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0037742747
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See Ref
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See Ref.
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23
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0038080274
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note
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4 (3 equiv), THF, 73%, 80%].
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24
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0037742748
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note
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The absolute configuration of the product was determined after conversion to the carboxylic acid 1. See Ref.
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27
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0001631949
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(a) Galiano-Roth, A. S.; Kim, Y.-J.; Gilchrist, J. H.; Harrison, A. T.; Fuller, D. J.; Collum, D. B. J. Am. Chem. Soc. 1991, 113, 5053.
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Gilchrist, J.H.3
Harrison, A.T.4
Fuller, D.J.5
Collum, D.B.6
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0001755997
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(b) Kim, Y.-J.; Bernstein Galiano-Roth, A. S.; Romesberg, F. E.; Williard, P. W.; Fuller, D. J.; Harrison, A. T.; Collum, D. B. J. Org. Chem. 1991, 56, 4435.
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Kim, Y.-J.1
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Romesberg, F.E.3
Williard, P.W.4
Fuller, D.J.5
Harrison, A.T.6
Collum, D.B.7
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0000189242
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Hall, P.L.1
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Collum, D.B.5
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0030574042
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Sugasawara, K.1
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Koga, K.4
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32
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0038418835
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note
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The Cerius-2 version 4.0 software package (Accerlys Inc., San Diego, CA.) was used for the conformational analysis. The systematic conformation search was performed utilizing the UNIVERSAL 1.02 force field, which possesses the parameters for lithium atom. A dielectric constant of 8.20 was used to simulate the THF solvent. Two dihedral angles, which construct the enolate face was fixed at 0° or 180°, and the remaining five dihedral angles were varied systematically at 30° steps. Each conformer was energy-minimized, and conformation energy was evaluated.
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35
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2542570018
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