Pd(OAc)2-catalyzed domino reactions of 1,2-dihaloarenes and 2-haloaryl arenesulfonates with Grignard reagents: efficient synthesis of substituted fluorenes
作者:Cheng-Guo Dong、Qiao-Sheng Hu
DOI:10.1016/j.tet.2008.01.020
日期:2008.3
suggested that Pd(leavinggroup)X associated arynes should be formed first and the sp(3) C-H activation preferentially occurred at benzylic C-(1 degrees )H bonds. The work described here provides a high yield, one-step access to substituted fluorenes from readily available 1,2-dihalobenzenes and 2-haloaryl arenesulfonates and hindered Grignard reagents, and this substituted fluorene-making method may find applications
Pd(OAc)<sub>2</sub>-Catalyzed Domino Reactions of 1-Chloro-2-haloarenes and 2-Haloaryl Tosylates with Hindered Grignard Reagents via Palladium-Associated Arynes
作者:Cheng-Guo Dong、Qiao-Sheng Hu
DOI:10.1021/ol061989i
日期:2006.10.1
The palladium-associated aryne generation strategy and Pd(OAc)(2)-catalyzed annulative Domino reactions of 1-chloro-2-halobenzenes and 2-haloaryl tosylates with hindered Grignardreagents via palladium-associated arynes are described. The palladium-associated aryne generation strategy described here not only allows the high yield, one-step access to potentially useful substituted fluorenes from readily