Title: Process for preparing diterpene alkaloid and its medicinal usage
Application Number: 93110509 Application Date: 1993.01.01
Publication Number: 1088827 Publication Date: 1994.07.06
Approval Pub. Date: Granted Pub. Date: 1998.07.22
International Classifi-cation: A61K35/78,C07G5/00
Applicant(s) Name: China College of Pharmacology Address: 210009
Inventor(s) Name: Liu Jinghan, Hou Dehui
Attorney & Agent:
Abstract:
     A process for preparing diterpene alkaloid includes solvent extraction of aconitum coreanum, a Chinese-medicinal herb, recovery of liquid extrat, making extract dissolve in acidic water, coloidal eduction, removing recipitate, degreasing with organic solvent, removing organic solvent, alkalifying acidic water to pH 5-10, extraction with organic solvent, recovering organic solvent to obtain coarse coreanine A, recrystallizing repeatedly from organic solvent, column chromatography and drying at 50-100 deg.C to obtain refined coreanine A product, which and whose salt may be made into medicine for treating or preventing cardiovascular diseases.
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