Polymers of silybin

C - Chemistry – Metallurgy – 07 – D

Patent

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260/354.5

C07D 319/20 (2006.01) C07G 99/00 (2009.01) A61K 31/335 (2006.01) A61K 31/35 (2006.01) A61K 31/765 (2006.01) A61K 35/00 (2006.01) C07D 311/32 (2006.01) C07D 407/00 (2006.01) C07D 407/02 (2006.01) C07D 407/04 (2006.01) C07D 407/14 (2006.01) C08G 61/00 (2006.01) C08G 83/00 (2006.01)

Patent

CA 1047509

ABSTRACT OF THE DISCLOSURE A polymer of silybin having a degree of polymerization n of 2 to 8 is produced by polymerizing silybin in an organic solvent medium in the presence of an aqueous mineral acid; the organic solvent being effective in the presence of the acid to dissolve the silybin to the extent that monomeric product does not precipitate during the course of the reaction; the silybin polymers have an etiological effect in the treatement of liver diseases.

223759

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