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Throughout this study, the aziridines were used as mixtures of the cis- and trans-diastereomers, with the cis-diastereomer predominant. See Supporting Information for ratios.
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Throughout this study, the aziridines were used as mixtures of the cis- and trans-diastereomers, with the cis-diastereomer predominant. See Supporting Information for ratios.
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1D GOESY (NOE) experiments confirm the regiochemistry within 6a (see Supporting Information).
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1D GOESY (NOE) experiments confirm the regiochemistry within 6a (see Supporting Information).
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The use of the 4-methoxyphenyl substituent led to degradation of the starting material
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The use of the 4-methoxyphenyl substituent led to degradation of the starting material.
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An alternative analysis is that close association of a Lewis basic counterion or solvent to the cation may disfavor or block the orbital alignment required for the 1,2-aryl shift to take place
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An alternative analysis is that close association of a Lewis basic counterion or solvent to the cation may disfavor or block the orbital alignment required for the 1,2-aryl shift to take place.
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