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Samarium Powder-Catalyzed Palladium-Free and Ligand-Free Sonogashira Coupling Reactions

✍ Scribed by Jincheng Mao; Minyan Wu; Guanlei Xie; Shunjun Ji

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
246 KB
Volume
351
Category
Article
ISSN
1615-4150

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✦ Synopsis

Abstract

A study of samarium powder‐catalyzed cross‐coupling reactions of aryl halides with terminal alkynes is described. The couplings performed in the polyethylene glycol PEG‐600 provided the corresponding coupling products in good yields. The first example of palladium‐free, copper‐free and amine‐free catalytic system for Sonogashira couplings is presented in the absence of ligand.

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