Rh-Catalyzed decarbonylative coupling with alkynes via C-C activation of isatins.
Rh-Catalyzed decarbonylative coupling with alkynes via C-C activation of isatins.
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DOI:
10.1021/ja512306a
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发表时间:
2015-02-04
影响因子:
15
通讯作者:
Dong, Guangbin
中科院分区:
文献类型:
--
作者:
Zeng, Rong;Dong, Guangbin
Herein we report a [5+2-1] transformation though catalytic decarbonylative coupling between isatins and alkynes, which provides a unique way to synthesize 2-quinolinone derivatives. A broad range of alkynes can be coupled efficiently with high regioselectivity. This reaction is proposed to go through C–C activation of isatins, followed by decarbonylation and alkyne insertion. Directing group (DG) plays a critical role in this transformation. Assisted by the DG, the C–C cleavage of isatins occurs at room temperature.
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