Rhodium-catalyzed borylative cyclization of 2-alkynylaryl isocyanates with bis(pinacolato)diboron |
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| Authors: | Miura Tomoya Takahashi Yusuke Murakami Masahiro |
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| Institution: | Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Japan. |
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| Abstract: | 2-alkynylaryl isocyanates reacted with bis(pinacolato)diboron in the presence of a cationic rhodium(I) catalyst to produce borylated 3-alkylideneoxindoles stereoselectively. The carbon-boron linkage formed was further transformed via reactions such as a cross-coupling and a halogenation reaction. |
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