Palladium catalyzed cross-dimerization of terminal acetylenes and acrylates

[Display omitted] •Palladium catalyzed cross-dimerization of terminal alkynes and acrylates.•Oxidative CH activation.•Construction of polyconjugated enyne fragments. A palladium catalyzed oxidative cross-coupling reaction between terminal alkynes and acrylates was developed. In the presence of palla...

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Bibliographic Details
Published in:Tetrahedron letters 2019-05, Vol.60 (18), p.1234-1237
Main Authors: Chen, Shanshan, Xie, Shi-Hang, Ai, Cheng-Ying, Zhang, Xiu-Li
Format: Article
Language:English
Subjects:
Acrylates
Alkynes
Conjugated skeleton
Cross-dimerization
Palladium catalyst
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Summary:[Display omitted] •Palladium catalyzed cross-dimerization of terminal alkynes and acrylates.•Oxidative CH activation.•Construction of polyconjugated enyne fragments. A palladium catalyzed oxidative cross-coupling reaction between terminal alkynes and acrylates was developed. In the presence of palladium catalyst and copper(II) acetate as oxidant, the cross dimerization products with were formed. This protocol provides a novel method to construct the tetrasubstituted functionalized alkenes.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2019.03.062