Novel cyclopentanoid annulation sequences : an approach to the synthesis of c19-oxygenated cyathanes
Two cyclopentanoid annulation sequences were developed. In the first sequence, (Z)-lbromo- 3-iodo-2-butene (9) was employed in the preparation of the series of angular allylic alcohols 28-30. Upon treatment with an oxochromium(VI) amine reagent, the allylic alcohols 29 and 30 underwent oxidative...
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| Language: | English |
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2009
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| Online Access: | http://hdl.handle.net/2429/9849 |