Nickel-iminophosphine-catalyzed [4+2] cycloaddition of enones with allenes: synthesis of highly substituted dihydropyrans |
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| Authors: | Sako Saori Kurahashi Takuya Matsubara Seijiro |
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| Affiliation: | Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan. |
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| Abstract: | Enones were found to react with allenes intermolecularly in the presence of a catalytic amount of a nickel-iminophosphine complex to provide dihydropyrans via oxidative cyclization of an enone and Ni(0). |
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