Novel method for synthesizing spiro[4.5]cyclohexadienones through a Pd-catalyzed intramolecular ipso-Friedel-Crafts allylic alkylation of phenols |
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Authors: | Nemoto Tetsuhiro Ishige Yuta Yoshida Mariko Kohno Yuta Kanematsu Mutsumi Hamada Yasumasa |
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Institution: | Graduate School of Pharmaceutical Sciences, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan. |
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Abstract: | The first successful Pd-catalyzed intramolecular ipso-Friedel-Crafts allylic alkylation of phenols, which provided a new access to spiro4.5]cyclohexadienones, is described. The present method could be applied to catalytic enantioselective construction of an all-carbon quaternary spirocenter. |
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