Abstract
The Pauson-Khand reaction of chiral enyne derivatives, derived from L -ascorbic acid or dimethyl L -tartrate, produced optically active bicyclo[3.3.0]octenone derivatives in a highly diastereoselective manner. Faculty of Pharmaceutical Sciences, Kanazawa University, Kanazawa 920, Japan. Intramolecular Pauson-Khand reaction of the optically active enynes, prepared efficiently from L -ascorbic acid or dimethyl L -tartrate, provided the corresponding bicyclo[3.3.0]-octenones in a diastereoselective manner.
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