Enantioselective formal synthesis of (+)-precapnelladiene by chiral copper-catalyzed asymmetric [2+2]-cycloaddition reaction |
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Authors: | Yosuke Takenaka Kazuo Iguchi |
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Institution: | School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan |
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Abstract: | Enantioselective short formal synthesis of (+)-precapnelladiene (1) was achieved from a bicyclo3.2.0]heptane derivative, which was prepared enantioselectively by chiral copper-catalyzed 2+2]-cycloaddition reaction of 2-methoxycarbonyl-2-cyclopenten-1-one with phenylthioacetylene developed by us. |
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