Patent number: 6048875
Abstract: A compound of formula (I): ##STR1## wherein: X represents oxygen, sulphur, or NR.sub.3 wherein R.sub.3 is as defined in the description,Y represents oxygen, sulphur, NR.sub.3, or may a single bond when X represents NR.sub.3,Z represents nitrogen, carbon, or CH,A represents a single bond, alkylene (optionally substituted), arylene, cycloalkylene, heterocycle, or --SO.sub.2 --R.sub.4 -- wherein R.sub.4 is as defined in the description,W represents hydroxy, alkoxy, aryloxy, arylalkoxy, cycloalkyloxy, heterocycle bonded to oxygen, amino, or hydroxyamino,Ra, Rb, Rc, Rd, which may be the same or different, each independently of the others are as defined in the description,R.sub.1 represents aryl substituted by one to five identical or different substituents, each independently of the others,R.sub.
Type:
Grant
Filed:
April 26, 1999
Date of Patent:
April 11, 2000
Assignee:
Adir et Compagnie
Inventors:
Guillaume De Manteuil, Christine Lila, Tony Verbeuren, Alain Rupin