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33645380013
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1H NMR and high-resolution MALDI-MS), resulting from quenching of 7 with water in a reaction wherein the imine decomposed.
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17
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0344361923
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CCDC 199469 and CCDC 199470 contain the supplementary crystallographic data for 16 and 17 respectively. These data can be obtained free of charge via www.ccdc.cam.ac.uk/retrieving.html (or from the Cambridge Crystallographic Data Center, 12, Union Road, Cambridge CB21EZ, U.K.; fax: (+44)1223-336-033; or deposit@ccdc.cam.ac.uk).
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41
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33645393323
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For preparation of the cyclopropyl derivatives 19-23, see Supporting Information.
-
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42
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33645384341
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note
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A simplification of the starting materials (R″ = H) requires the implementation of the C8-C9 olefin without the installation of a masked leaving group, a problem already solved in Danishefsky's synthesis of spirotryprostatin B (see ref 7).
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44
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0001405856
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0345363299
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