Process for the removal of heavy metals

Details Process for the removal of heavy metals Process for the removal of heavy metals

C - Chemistry, Metallurgy

07

B

C07B 63/00 (2006.01)

Patent

CA 2288647

A method for the removal of heavy metals from solutions of organic compounds by treatment with cysteine or with an N-acylcysteine is described. Organic compounds with a content of heavy metal, for example palladium, particularly low and suitable for the preparation of compounds with pharmacologic activity can be isolated from the resultant solutions.

L'invention concerne un procédé destiné à enlever des métaux lourds de solutions de composés organiques par traitement avec une cystéine ou une N-cystéine. On peut isoler des solutions obtenues les composés organiques avec teneur particulièrement faible en métaux lourds, par exemple le palladium, et convenant à la préparation de composés à action pharmacologique.

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