C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
C07J 9/00 (2006.01)
Patent
CA 2091104
ABSTRACT Process for pharmaceutical grade high purity iodeoxycholic acid preparation starting from swine bile, consisting in the treatment of swine bile with sodium hydroxide, isolation of iodeoxycholic, chenodeoxycholic and iocholic acids by precipitation of their zinc salts and subsequent selective precipitation of the iodesoxycholic acid magnesium salt, from which the acid is freed by acidification and then crystallized.
Erregierre Industria Chimica S.p.a.
Marks & Clerk
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