Patent · US Expired

Chroman derivatives

US5130322A · kind A · utility

5Cited by

7References

10Claims

0Family size

Inventors

Rolf Gericke · Seeheim-Jugenheim, DE
Manfred Baumgarth
Ingeborg Lues · Darmstadt, DE
Rolf Bergmann
Jacques De Peyer · Darmstadt, DE

Key dates

Filing date	Aug 3, 1990
Grant date	Jul 14, 1992
Priority date	—
Expiry date	Aug 3, 2010

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to chroman derivatives of the formula I ##STR1## in which R.sup.1 is A, PA1 R.sup.2 is OA, PA1 R.sup.3 is OH, PA1 R.sup.4 is H, or PA1 R.sup.3 and R.sup.4 together are a bond, PA1 R.sup.5 is a 2-oxo-1,2-dihydro-1-pyridyl or 2-oxo-2,3-dihydro-4-pyrodyl radical which is optionally monosubstituted by A, PA1 R.sup.6 is CN, PA1 R.sup.7 and R.sup.8 are each H, PA1 Z is O, NH or a bond, and PA1 A is alkyl having 1-6 C atoms, or a physiologically acceptable salt thereof.

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