Highly Satisfactory Alkynylation of Alkenyl Halides via Pd-Catalyzed Cross-Coupling with Alkynylzincs and Its Critical Comparison with the Sonogashira Alkynylation
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- 22 April 2003
- journal article
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 5 (10) , 1597-1600
- https://doi.org/10.1021/ol030010f
Abstract
The Pd-catalyzed alkynylation of various alkenyl halides and triflates with alkynylzincs proceeds well even with alkynyl derivatives containing electron-withdrawing groups. The reaction appears to be highly general. Noteworthy is that the corresponding Sonogashira reactions under various reported conditions are significantly less satisfactory in all cases performed in this study.Keywords
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