公开(公告)号：DE4039272A1

公开(公告)日：1992-06-11

申请号：DE4039272

申请日：1990-12-08

Applicant: BASF AG

Inventor： HAGEN HELMUT DR ,  NILZ GERHARD DR ,  WALTER GERHARD DR ,  LANDES ANDREAS DR

IPC: A01N25/32 ,  A01N43/40 ,  C07D491/04 ,  C07D491/052

Abstract: Disclosed are pyrido-anellated 4-oxo-4H-benzopyrans (I) (in which m = 0, 1 or 2; and R , R and R are as defined in the description), as well as salts of compound (I), and herbicides containing the 2-(4-heteroaryloxy)- and 2-(4-aryloxy)phenoxyacetic acid derivatives or cyclohexenone derivatives as herbicidally active substances and pyrido-anellated 4-oxo-4H-benzopyrans (I') as antidotes.