Selective synthesis of dibenzo[a,c]cyclooctatetraenes via palladium-catalyzed [4+4] cyclic homocoupling of borylvinyl iodobenzene derivatives.

Hui-jun Zhang, Junnian Wei, Fei Zhao, Yun Liang, Zitao Wang, Zhenfeng Xi

Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China.

Chemical communications (Cambridge, England) 2010 Oct 21

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Dibenzo[a,c]cyclooctatetraenes were selectively generated in good yields from the palladium-catalyzed [4+4] cyclic homocoupling of borylvinyl iodobenzene derivatives, which were prepared via the selective Suzuki-Miyaura cross-coupling of the gem-diboryl reagents with iodo compounds.

Citation

Hui-jun Zhang, Junnian Wei, Fei Zhao, Yun Liang, Zitao Wang, Zhenfeng Xi. Selective synthesis of dibenzo[a,c]cyclooctatetraenes via palladium-catalyzed [4+4] cyclic homocoupling of borylvinyl iodobenzene derivatives. Chemical communications (Cambridge, England). 2010 Oct 21;46(39):7439-41