Ligand-Free Iron-Catalyzed Carbon (sp2)–Carbon
(sp2) Oxidative Homo-Coupling of Alkenyllithiums

N. C. Wong, Henry

Ligand-Free Iron-Catalyzed Carbon (sp²)–Carbon (sp²) Oxidative Homo-Coupling of Alkenyllithiums

Posted on 2019-01-23 - 22:29

A new strategy was developed for the efficient synthesis of di-, tetra-, and hexa-substituted 1,3-butadienes. This one-pot procedure involves lithium–iodine exchange to generate the corresponding vinyllithium intermediates. A subsequent iron-catalyzed ligand-free oxidative homo-coupling eventually led to the formation of 1,3-butadienes in acceptable to excellent isolated yields.

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Zhong, Zhuliang; Wang, Zhi-Yong; Ni, Shao-Fei; Dang, Li; Lee, Hung Kay; Peng, Xiao-Shui; et al. (2019). Ligand-Free Iron-Catalyzed Carbon (sp²)–Carbon (sp²) Oxidative Homo-Coupling of Alkenyllithiums. ACS Publications. Collection. https://doi.org/10.1021/acs.orglett.8b03893

https://doi.org/10.1021/acs.orglett.8b03893

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