Heck Reactions Catalyzed by Ultrasmall and Uniform Pd Nanoparticles Supported on Polyaniline
Lei Yu*, Yaping Huang, Zheng Wei, Yuanhua Ding, Chenliang Su* and Qing Xu*
*Yangzhou University, Yangzhou, Jiangsu 225002; Shenzhen University, Shenzhen 518060; Wenzhou University, Wenzhou, Zhejiang 325035, China, Email: yuleiyzu.edu.cn, chmsuchotmail.com, qing-xuwzu.edu.cn
L. Yu, Y. Huang, Z. Wei, Y. Ding, C. Su, Q. Xu, J. Org. Chem., 2015, 80, 8677-8683.
DOI: 10.1021/acs.joc.5b01358 (free Supporting Information)
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Pd nanoparticles supported on polyaniline (Pd@PANI) can be easily fabricated by the oxidation-polymerization of aniline with PdCl2. This material is an efficient and environmentally friendly catalyst for Heck reactions due to its recyclability, low loading, and ligand-free and mild reaction conditions. Pd@PANI even tolerates sulfur-containing substrates.
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We have recently published an update of the work. It was found that the catalyst was very stable and could be stored for over one year without deactivation. This finding means that the Pd@PANI catalyst may be developed to a practical reagent. Lei Yu* and Zhe Han, Palladium nanoparticles on polyaniline (Pd@PANI): A practical catalyst for Suzuki cross-couplings. Mater. Lett., 2016, 184, 312-314. DOI: 10.1016/j.matlet.2016.08.056
Lei Yu, August 21, 2016