CASE STUDY
Efficiency of SiliaMetS® Triamine for Copper Removal in the Preparation of Functionalized Phosphines by CuAA
The copper-catalyzed azide-alkyne cycloaddition (CuAA), or also known as «click chemistry», has been widely used to functionalize molecules with various moieties. In their previous work, Prof. Hosoya and co-workers presented a new strategy to synthetize cycloalkynes incorporating various functional moities by protecting the diynes with a copper salt. At the time, SiliaMetS Thiourea was shown to be the most efficient scavenger to remove copper from the click reaction mixture.
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SiliaMetS Triamine (R48030B)
Effective for scavenging metals such as Pb, Co, Ru and Pd. Our screening studies have shown it to be the preferred scavenger for Pb. It can also be used as a scavenger for acid chlorides, isocyanates and other electrophiles. -
SiliaSep Flash Cartridges, Triamine, 40 - 63 µm, 60 Å (FLH-R48030B)
Well known for its electrophile scavenging efficiency and its base reagent quality, Triamine has also proven to be very useful for the scavenging of various metals. Best scavenger for: Cr, Pd, Pt, W & Zn. Good scavenger for: Ag, Cd, Co, Cu, Fe, Hg, Ni, Os, Pb, Rh, Ru & Sc. -
SiliaPrep SPE Cartridges Triamine (SPE-R48030B)
Best scavenger for: Cr, Pd, Pt, W & Zn / Good scavenger for: Ag, Cd, Co, Cu, Fe, Hg, Ni, Os, Pb, Ru & Sc -
SiliaMetS Thiourea (THU) (R69530B)
SiliaMetS Thiourea (Si-THU) is a versatile metal scavenger for all forms of palladium, and is widely used in the pharmaceutical industry. Once complexed with a transition metal, it has also been reported as being an effective catalyst. Best scavenger for: Pd & Ru. Good scavenger for: Ag, Cu, Fe, Os, Rh, Sc & Sn.
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