申请人:——
公开号:US05130322A1
公开(公告)日:1992-07-14
The invention relates to chroman derivatives of the formula I ##STR1## in which R.sup.1 is A, R.sup.2 is OA, R.sup.3 is OH, R.sup.4 is H, or R.sup.3 and R.sup.4 together are a bond, 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, R.sup.6 is CN, R.sup.7 and R.sup.8 are each H, Z is O, NH or a bond, and A is alkyl having 1-6 C atoms, or a physiologically acceptable salt thereof.
本发明涉及式I的色酮衍生物##STR1##其中R.sup.1为A,R.sup.2为OA,R.sup.3为OH,R.sup.4为H,或R.sup.3和R.sup.4在一起为键,R.sup.5为2-氧代-1,2-二氢-1-吡啶基或2-氧代-2,3-二氢-4-吡啶基基团,该基团可以选择性地被A单取代,R.sup.6为CN,R.sup.7和R.sup.8均为H,Z为O,NH或键,A为具有1-6个碳原子的烷基或其生理上可接受的盐。