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The relative configuration of 10 was established without ambiguity by COSY and NOESY experiments. See the Supporting Information.
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The relative configuration of 10 was established without ambiguity by COSY and NOESY experiments. See the Supporting Information.
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32
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36649007766
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For an ORTEP view of 11, see the Supporting Information.
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For an ORTEP view of 11, see the Supporting Information.
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33
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36649008855
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Other electrophiles such as aldehydes and α,β-unsaturated aldehydes or ketones were found to be unreactive under these reaction conditions
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Other electrophiles such as aldehydes and α,β-unsaturated aldehydes or ketones were found to be unreactive under these reaction conditions.
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34
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36649009891
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The oxy-Cope reaction of 26 proved to be a reversible process. In fact, submission of 27 to the reaction condition gave back the same ratio of 26 and 27.
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The oxy-Cope reaction of 26 proved to be a reversible process. In fact, submission of 27 to the reaction condition gave back the same ratio of 26 and 27.
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35
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31544471441
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Vinyl bromide 36 was easily prepared from commercially available 3,4-dimethoxybenzaldehyde in three steps. See: (a) Rosiak, A.; Christoffers, J. Synlett 2006, 1434.
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Vinyl bromide 36 was easily prepared from commercially available 3,4-dimethoxybenzaldehyde in three steps. See: (a) Rosiak, A.; Christoffers, J. Synlett 2006, 1434.
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