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Baldwin, J. E.; Magnus, P. D., Eds.; Pergamon Press: Oxford
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(a) Kitahara, T.; Miyake, M.; Kido, M.; Mori, K. Tetrahedron: Asymmetry 1990, 1, 775.
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12
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(d) Fuhshuku, K.; Funa, N.; Akeboshi, T.; Ohta, H.; Hosomi, H.; Ohba, S.; Sugai, T. J. Org. Chem. 2000, 65, 129.
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(a) Iwamoto, M.; Kawada, H.; Tanaka, T.; Nakada, M. Tetrahedron Lett. 2003, 44, 7239.
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(e) Moue, T.; Hosomi, K.; Araki, M.; Nishide, K.; Node, M. Tetrahedron: Asymmetry 1995, 6, 31.
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18
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0000786664
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Gramatica, P.; Manitto, P.; Monti, D.; Speranta, G. Tetrahedron 1988, 44, 1299.
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19
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0000271026
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(a) Brooks, D. W.; Grothaus, P. G.; Irwin, W. L. J. Org. Chem. 1982, 47, 2820.
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Brooks, D.W.1
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20
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33748697962
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note
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(b) Not only baker's yeast but also Saccharomyces cerevisiae (brewing yeast), Bacillus thuringiensis afforded excellent results:
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21
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0014053765
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(c) Kosmol, H.; Kieslish, K.; Vossing, R.; Koch, H. J.; Petzoldt, K.; Gibian, H. Justus Liebigs Ann. Chem. 1967, 701, 198.
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Kosmol, H.1
Kieslish, K.2
Vossing, R.3
Koch, H.J.4
Petzoldt, K.5
Gibian, H.6
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23
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33748676568
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note
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3): δ = 18.7, 18.9, 27.2, 29.2, 33.1, 34.0, 51.9, 53.8, 76.8, 175.1, 221.3.
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24
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33748705863
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note
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In order to obtain high reproducibility in the reaction with 8 mM substrate, newly opened baker's yeast must be used. If long-term-stored yeast (longer than ca. 6 months at 4 °C) is used in the reaction, a reduced de is observed. The reproduced results were obtained with baker's yeast (Sigma, type II, lot. No. 125K0062).
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25
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33748696114
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note
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3): δ = 19.2, 26.7, 28.2, 28.4, 33.9, 51.4, 52.7, 77.3, 121.0, 149.2, 167.1, 220.0.
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26
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33748690677
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note
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Chiral HPLC analysis of 9b was performed with a Shimadzu LC-10A Liquid Chromatograph series using a SHISEIDO Ceramospher Chiral RU-1 (0.46 φ × 250 mm). Two enantiomers of 9b were detected at the retention time of 10.7 and 11.7 min by eluting with MeOH, flow rate: 0.5 mL/min, at 50 ×C. The enantiomer predominantly obtained in the reaction (entry 1, Table 1) appeared at 11.7 min. Meanwhile, two enantiomers of 9a were detected using Daicel CHIRALCEL OJ-H (0.46 φ × 250 mm) at 43.2 and 47.5 min by eluting with a mixed solvent of n-hexane and 2-PrOH (9:1), flow rate: 0.5 mL/min, at 25 °C. The predominant enantiomer in the reaction (entry 2, Table 1) was detected at 47.5 min.
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27
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33748697961
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note
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Chiral HPLC analyses of 13b and 14b were performed with Daicel CHIRALCEL OD-H (n-hexane-i-PrOH = 96:4).
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28
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33748688730
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in press
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Katoh, T.; Mizumoto, S.; Fudesaka, M.; Takeo, M.; Kajimoto, T.; Node, M. Tetrahedron: Asymmetry 2006, in press.
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(2006)
Tetrahedron: Asymmetry
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Katoh, T.1
Mizumoto, S.2
Fudesaka, M.3
Takeo, M.4
Kajimoto, T.5
Node, M.6
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