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39
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29944438291
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note
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Complex 1 can be stored in a vial under a non-inert atmosphere for several weeks without noticeable decomposition. With time, the complex tends to be hydrated and becomes green. A simple purification by flash chromatography can lead to the initial clean complex.
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40
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29944443793
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note
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The absolute configuration was determined by comparison of the optical rotation of compounds 2a, 2h, 2i, and 2j with the literature and by extrapolation for others.
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43
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50
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29944441879
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note
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The side product ratios for the reactions are dependent on the starting aldehyde. When benzaldehyde was used as the starting material, the ratios were 3/34/40/20/3 (benzaldehyde/2a/3a/4a/5a).
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51
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1642419031
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Theorical study: Haaland, A.; Green, J. C.; McGrady, G. S.; Downs, A. J.; Gullo, E.; Lyall, M. J.; Timberlake, J.; Tutukin, A. V.; Volden, H. V.; Østby, K.-A. Dalton Trans. 2003, 4356-4366.
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Volden, H.V.9
Østby, K.-A.10
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