Efficient C{C cross-coupling reactions by (isatin)-Schiff base functionalized magnetic nanoparticle-supported Cu(II) acetate as a magnetically recoverable catalyst
Efficient C{C cross-coupling reactions by (isatin)-Schiff base functionalized magnetic nanoparticle-supported Cu(II) acetate as a magnetically recoverable catalyst
Copper catalysts were simply fabricated through surface modi cation of superparamagnetic iron nanopar- ticles with indoline-2,3-dione(isatin)-Schiff-base and interaction with Cu from low-cost commercially available starting materials.Catalysts were characterized using atomic absorption spectrophotometry, Fourier transform infrared spec- troscopy, X-ray diffraction, thermogravimetric analysis, vibrating sample magnetometry, UV/Vis spectroscopy, scanning electron microscopy, and transmission electron microscopy.These catalysts showed high efficiency for phosphine-free Mizoroki{Heck and Suzuki{Miyaura cross-coupling reactions with good diversity and generality. The catalysts could be easily recovered and reused several times without a signi cant loss in their catalytic activity and stability.
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