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For the preparation of the bridged biarylic anthraquinone pradimicinon in enantiomerically pure form, albeit by racemate resolution, see: M. Kitamura, K. Ohmori, T. Kawase, K. Suzuki, Angew. Chem. 1999, 111, 1308-1311; Angew. Chem. Int. Ed. 1999, 38, 1229-1232.
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For the preparation of the bridged biarylic anthraquinone pradimicinon in enantiomerically pure form, albeit by racemate resolution, see: M. Kitamura, K. Ohmori, T. Kawase, K. Suzuki, Angew. Chem. 1999, 111, 1308-1311; Angew. Chem. Int. Ed. 1999, 38, 1229-1232.
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For a review on enantioselective reductions with the oxazaborolidine-borane reagent, see: E. J. Corey, C. J. Helal, Angew. Chem. 1998, 110, 2092-2118; Angew. Chem. Int. Ed. 1998, 37, 1986-2012.
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For a review on enantioselective reductions with the oxazaborolidine-borane reagent, see: E. J. Corey, C. J. Helal, Angew. Chem. 1998, 110, 2092-2118; Angew. Chem. Int. Ed. 1998, 37, 1986-2012.
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26
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0343700002
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note
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1, eluent: n-hexane/2-propanol 65:35, retention times: 29 min for (P)-15 and 46 min for(M)-15;
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27
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0342394747
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note
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[6] final product 1a.
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28
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0001743586
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Wiley, New York
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R. E. Ireland, D. M. Walba. Organic Syntheses Collective Volume. Vol. 6, Wiley, New York, 1988, p. 567-570.
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Ireland, R.E.1
Walba, D.M.2
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