Catalytic enantioselective intermolecular [2 + 2 + 2] cycloaddition of an alkene and two alkynes |
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| Authors: | Ikeda Shin-ichi Kondo Hirokazu Arii Taro Odashima Kazunori |
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| Institution: | Graduate School of Pharmaceutical Sciences, Nagoya City University, Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan. ikeshin@phar.nagoya-cu.ac.jp |
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| Abstract: | A catalytic enantioselective intermolecular 2 + 2 + 2] cycloaddition of one molecule of alkene (enone) and two molecules of alkyne was developed in the presence of a nickel complex modified by chiral monodentate oxazoline ligands, which have not previously been used as chiral ligands for transition metals in asymmetric catalysts, and an aluminium phenoxide. |
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