Method of removing palladium

Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing

Reexamination Certificate

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Details

C502S060000, C423S022000

Reexamination Certificate

active

07084287

ABSTRACT:
There is disclosed a method for removing palladium, which method is characterized by contacting a solution containing a palladium complex containing a phosphorus-type ligand in an organic solvent with a layered clay compound or a zeolite having a pore diameter of 0.6 to 2 nm.

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Chen, Cheng-yi et al., “Practical Asymmetric Synthesis of a Potent Cathespin K Inhibitor. Efficient Palladium Removal Following Suzuki Coupling”,J. Org. Chem. 2003, vol. 68, pp. 2633-2638.
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Ishihara, Kazuaki et al., “Removal of Palladium(II) from Aqueous and Organic Solutions by Polystyrene-bound Trimercaptotriazine”,Chemistry Letters, 2000, pp. 1218-1219.

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