Patent · US Expired

Abruquinone derivatives and their uses

US5563167A · kind A · utility

1Cited by
0References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1994
Grant dateOct 8, 1996
Priority date
Expiry dateMay 3, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/64
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Disclosed are methods of isolation and purification of active constituents from Hsian-ssu-tsu (Abrus precatorius L.), and the therapeutical applications of the purified compounds. From the cloroform fraction of the methanolic extract of the roots of Abrus precatorius L., Abruquinones A, B, D, E, F, which are shown as Compounds I through V, respectively, as follows: ##STR1## were isolated and identified Pharmacological evaluations showed that these compounds possess an activity to inhibit platelet aggregation, as well as antiinflammatory, and antiallergic activities.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.