Patent · US Expired

Benzopyrans and use thereof in treating vascular diseases

US4814346A · kind A · utility

85Cited by

7References

13Claims

0Family size

Assignee

Zyma SA · CH

Inventors

Alban Albert · Bernex, CH
Friedrich W. Zilliken · Remagen, DE

Key dates

Filing date	Nov 4, 1987
Grant date	Mar 21, 1989
Priority date	—
Expiry date	Nov 4, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D493/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Isoflavans of the formula I ##STR1## wherein the groups OR, R', R" and ring B are as defined in the specification, exhibit valuable pharmacological properties, especially for the treatment of vascular diseases. They are prepared by methods known per se.

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