Patent · US Expired

Lignan analogues, methods of preparation thereof and anti-hyperlipemic agents

US5502216A · kind A · utility

4Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1995
Grant dateMar 26, 1996
Priority date
Expiry dateMay 22, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/64
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An anti-hyperlipemic agent which has a potent activity of reducing LDL and VLDL cholesterols, which are thought to be a risk factor for arteriosclerosis among total blood cholesterols, and which is excellent in the antioxidant activity on LDL, is provided. Additionally, a compound and a pharmaceutically acceptable salt thereof are disclosed, which is represented by Formula (I): ##STR1## wherein R.sup.1 is a lower alkyl, cycloalkyl, cycloalkyl-lower alkyl, aryl or aralkyl group which is optionally substituted; R.sup.2 is a group represented by the formula: -COOR' (wherein R' is a lower alkyl or aralkyl which is optionally substituted), lower alkyl or halogenated lower alkyl; or R.sup.1 and R.sup.2, together with adjacent carbonyl group, form a cyclohexanone ring represented by the formula: ##STR2## R.sup.3 is a phenyl group optionally being substituted, and, ring A is a benzene nucleus which is optionally substituted, or a heterocyclic ring containing S or 0 optionally being substituted!.

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