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4. Scavenging Palladium Catalysts

A metal scavenging study using SiliaBond® Metal Scavengers products was conducted on various palladium catalysts (Pd(OAc)2, Pd(allyl)2Cl2, Pd2(dba)3, Pd(PPh3)4) 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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  1. SiliaPrep™ SPE Cartridges Diamine

    SiliaPrep™ SPE Cartridges Diamine

    SiliaPrep diamine can be used in replacement of SAX for strong anions to be irreversible retention. Can also be employed as metal scavenger and in normal-phase conditions.

  2. SiliaPrep™ SPE Cartridges Diamine nec

    SiliaPrep™ SPE Cartridges Diamine nec

    SiliaPrep diamine can be used in replacement of SAX for strong anions to be irreversible retention. Can also be employed as metal scavenger and in normal-phase conditions.

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  1. X Cadmium (Cd): Scavenge
  2. X Palladium (Pd-0): Preferred Scavengers
  3. X Pore Size: 60 Å
  4. X Cartridges Volume: 1 mL
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Metal to Remove
Cobalt (Co)
  1. Scavenge (2)
Chromium (Cr)
  1. Preferred Scavengers (2)
Copper (Cu)
  1. Scavenge (2)
Iron (Fe)
  1. Scavenge (2)
Mercury (Hg)
  1. Scavenge (2)
Nickel (Ni)
  1. Scavenge (2)
Lead (Pb)
  1. Scavenge (2)
Palladium (Pd-2+)
  1. Preferred Scavengers (2)
Platinum (Pt)
  1. Preferred Scavengers (2)
Ruthenium (Ru-2+)
  1. Scavenge (2)
Tungsten (W)
  1. Scavenge (2)
Zinc (Zn)
  1. Scavenge (2)
Family / Formats
  1. SiliaPrep™ (SPE Cartridges) (2)
Phases
  1. Diamine (2)
Endcapping
  1. Endcapped (2)
Bed Weight
  1. 50 mg (2)
  2. 100 mg (2)
  3. 200 mg (2)
  4. 500 mg (2)
  5. 1 g (2)
  6. 2 g (2)
  7. 5 g (2)
Particle Size
  1. 40-63 µm / 230-400 mesh (2)

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