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2OH. After careful usual workup, the aldehyde was distilled under vacuum and used immediately without further purification
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2OH. After careful usual workup, the aldehyde was distilled under vacuum and used immediately without further purification.
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After some experimentation, we realized that similar results were obtained by performing the cyclization with purified or crude epoxides 7. We describe in this procedure the results with crude epoxides 7
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After some experimentation, we realized that similar results were obtained by performing the cyclization with purified or crude epoxides 7. We describe in this procedure the results with crude epoxides 7.
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