Desymmetrization of meso-dienyne by asymmetric Pauson-Khand type reaction catalysts.
Nakcheol Jeong, Dong Hoon Kim, Jun Hun Choi
Index: Chem. Commun. (Camb.) , 1134-1135, (2004)
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Abstract
Desymmetrization of the meso dienynes, such as propargyl 1-vinylallyl N-tosylamides (1a-c) and propargyl 1-vinylallyl ethers (1d-e), by asymmetric Pauson-Khand type reaction catalysts was studied. The corresponding vinyl substituted bicyclic pentenones (2 and 3) were obtained with high diastereoselectivity and enantioselectivity.
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