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2005
Other bioactive products
U 1300
Synthesis of a Simplified Analogue of Eleutherobin via a Claisen Rearrangement
Ring Closing Metathesis Strategy. — The enantioselective synthesis of title
35- 237 and
compound (VII) by ring closing metathesis of the 2,9-divinyl substituted oxonin derivative (II) as the key step is described. Alternatively, to avoid side reactions, the metathesis reaction is performed with the protected derivative (VIII), followed by deoxygenation of epoxide (IX) to generate the desired alkene (IV). — (CHIANG, G. C. H.;
BOND, A. D.; AYSCOUGH, A.; PAIN, G.; DUCKI, S.; HOLMES*, A. B.; Chem.
Commun. (Cambridge) 2005, 14, 1860-1862; Dep. Chem., Univ. Cambridge,
Cambridge CB2 1EW, UK; Eng.) — M. Paetzel
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