| Rhodium(Ⅰ)-Catalyzed [4+2] Cycloaddition Reactions of 2-Alkylenecyclobutanols with Alkynes and (E)+-2-Nitroethenylbenzene through C(sp2)-C(sp3) Bond Cleavage |
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| 作者姓名： | Xinxin Zheng Guozhu Zhang Dayong Zhang |
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| 作者单位： | Institute of Pharmaceutical Science;State Key Laboratory of Organometallic Chemistry |
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| 摘 要： | Summary of main observation and conclusion An intermolecular 4+2] cycloaddition was realized through C-C bond cleavage in the presence of Rh(Ⅰ) catalyst.The selective ring opening of 2-alkylenecyciobutanols enables the generation of active alkenylrhodium species,which underwent smooth cross addition over alkynes and (E)-2-nitroethenylbenzene,leading to highly substituted all-carbon six-membered rings in a single step and in a complete atom economy.
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| 关 键 词： | PRESENCE ring step was |
Rhodium(I)‐Catalyzed [4 + 2] Cycloaddition Reactions of 2‐Alkylenecyclo‐butanols with Alkynes and (E)‐2‐Nitroethenylbenzene through C(sp2)—C(sp3) Bond Cleavage |
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| Xinxin Zheng,Guozhu Zhang,Dayong Zhang.Rhodium(I)‐Catalyzed [4 + 2] Cycloaddition Reactions of 2‐Alkylenecyclo‐butanols with Alkynes and (E)‐2‐Nitroethenylbenzene through C(sp2)—C(sp3) Bond Cleavage[J].Chinese Journal of Chemistry,2019,37(8):786-792. |
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| Authors: | Xinxin Zheng Guozhu Zhang Dayong Zhang |
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| Abstract: | An intermolecular 4 + 2] cycloaddition was realized through C—C bond cleavage in the presence of Rh(I) catalyst. The selective ring opening of 2‐alkylenecyclobutanols enables the generation of active alkenylrhodium species, which underwent smooth cross addition over alkynes and (E)‐2‐nitroethenylbenzene, leading to highly substituted all‐carbon six‐membered rings in a single step and in a complete atom economy. |
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