Palladium- and base-free synthesis of conjugated ynones by cross-coupling reactions of alkynylboronates with acid chlorides mediated by CuCl |
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| Authors: | Yasushi Nishihara Daisuke Saito Eiji Inoue Yoshiaki Okada Mikihiro Miyazaki Yoshiaki Inoue Kentaro Takagi |
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| Institution: | Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan |
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| Abstract: | Alkynylboronates can be employed as a practical and versatile precursor for a variety of π-conjugated organic compounds. In the presence of Cu(I) salt, cross-coupling reactions of acid chlorides with alkynylboronates giving rise to the corresponding conjugated ynones takes place readily in aprotic polar solvents such as DMI under neutral conditions. |
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