6. Scavenging Rhodium Catalysts
A metal scavenging study using SiliaBond® Metal Scavengers products was conducted on various rhodium catalysts (RhCl3, [Rh(OAc)2]2, Wilkinson’s catalyst) commonly used in organic synthesis.
Various parameters were studied for their influence on the scavengers' robustness as well as to establish the best conditions to bring the level of metal down to an acceptable level for the pharmaceutical industry (i.e.: solvent, number of equivalents, temperature, and reaction time).
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SiliaMetS® TAAcONa
SiliaMetS® TAAcONa or (or SiliaMetS Triaminetetraacetate, sodium salt) is a silica bound metal scavenger for Pd(II), Ni(II) and Cu. It is the supported version of EDTA in its sodium salt form. It is an effective scavenger for metals in higher oxidation state, 2+ or higher.
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SiliaMetS® Metal Scavenger Kit
Cysteine - DMT - Imidazole - Triamine - TAAcOH - TAAcONa - Thiol - Thiourea
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- Metal to Remove
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- 60 Å (1)
- Endcapping
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- Endcapped (1)
- Non-endcapped (1)
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