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for their synthesis and resolution, see
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For an important precedent on the isolation (10-15%) of a dimeric by-product during prenylation studies at the C3a-position of an exo-hexahydropyrroloindole-derived selenide directed towards amauromine, see: K. M. Depew, S. P. Marsden, D. Zatorska, A. Zatorski, W. G. Bornmann, S. J. Danishefsky, J. Am. Chem. Soc. 1999, 121, 11953.
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For an important precedent on the isolation (10-15%) of a dimeric by-product during prenylation studies at the C3a-position of an exo-hexahydropyrroloindole-derived selenide directed towards amauromine, see: K. M. Depew, S. P. Marsden, D. Zatorska, A. Zatorski, W. G. Bornmann, S. J. Danishefsky, J. Am. Chem. Soc. 1999, 121, 11953.
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34250792543
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For details, please see the Supporting Information
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For details, please see the Supporting Information.
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34250861827
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We attribute the greater stability of, -9 toward acids in part to attenuation of the Lewis basicity of the carbamate at Nα by the ester at the C2-position
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α by the ester at the C2-position.
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34250834147
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As a result of the slow conformational equilibration at ambient temperature, NMR spectra in this report were collected at 50-100°C.
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As a result of the slow conformational equilibration at ambient temperature, NMR spectra in this report were collected at 50-100°C.
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34250892295
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A minor competing pathway is the disproportionation of 13 as suggested by the isolation of 9 (10%) from the dimerization reaction.
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A minor competing pathway is the disproportionation of 13 as suggested by the isolation of 9 (10%) from the dimerization reaction.
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-
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36
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34250891098
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While we have no experimental evidence for this hypothesis at this time, we expect such cobalt(III) complexes to contain a labile C-Co bond; mechanistic studies are planned to investigate this hypothesis
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While we have no experimental evidence for this hypothesis at this time, we expect such cobalt(III) complexes to contain a labile C-Co bond; mechanistic studies are planned to investigate this hypothesis.
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34250876073
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The sign of optical rotation and the absolute stereochemistry for (+)-2 conform with revision of the absolute stereochemistry of (-)- and (+)-chimonanthine (1) by Overman et al.; see Ref. [4b-c].
-
The sign of optical rotation and the absolute stereochemistry for (+)-2 conform with revision of the absolute stereochemistry of (-)- and (+)-chimonanthine (1) by Overman et al.; see Ref. [4b-c].
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