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- W1981316093 abstract "A novel form of Pd/C (UC Pd) was prepared by ultrasonication of Pd(NO3)2 with activated charcoal in water (eq. 1). UC Pd catalyzed the Sonogashira coupling of aryl bromides 1 with terminal alkynes 2 in the presence of XPhos and K2CO3 to give the corresponding internal alkynes 3 in 55-96% yield (eq. 2, 17 examples). The catalyst was recovered by simple filtration and reused three times without significant loss of its catalytic activity for the formation of 3a (3rd reuse: 87% yield)." @default.
- W1981316093 created "2016-06-24" @default.
- W1981316093 date "2010-05-20" @default.
- W1981316093 modified "2023-10-14" @default.
- W1981316093 title "Sonogashira Coupling with UC Pd under Copper-Free Conditions" @default.
- W1981316093 doi "https://doi.org/10.1055/s-0029-1219898" @default.
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