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First reported at the Strasbourg, France, April 15
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First reported at the Chemistry A European Journal Symposium, Strasbourg, France, April 15, 2005.
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The spiroketals can also be separated by two successive column-chromatography operations. However in terms of overall efficiency, preparative HPLC proved to be the method of choice. Employing this separation method, multi-gram quantities of crude spiroketal reaction mixture could be purified and separated in one day.
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24644473943
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note
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The authentic sample of Spongistatin 1 (1) was kindly provided by Professor Pettit.
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