Patent number: 5998405
Abstract: The present invention discloses compounds of the formula, or any of its enantiomers or any mixture thereof, a pharmaceutically acceptable addition salt thereof or the N-oxide thereofwhereinX and Y together forms .dbd.O, .dbd.S, .dbd.NOR.sup.2, .dbd.CR.sup.3 R.sup.4, .dbd.N--CN, .dbd.N--NR.sup.7 R.sup.8, --(CH.sub.2).sub.m --, or--W'--(CH.sub.2).sub.p --W"--, or one of X and Y is hydrogen and the other is --OR.sup.5, --SR.sup.5, or --NR.sup.5 R.sup.6Z is hydrogen, --COOR.sup.9 ;R.sup.3 and R.sup.4 are independently hydrogen, halogen, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, alkynyl, alkoxy, aryl, arylalkyl, or --(CH.sub.2).sub.q --COOR.sup.2 ;R.sup.2, R.sup.5 and R.sup.6 are independently hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, alkynyl, aryl, or arylalkyl, --CO-alkyl, or --SO.sub.2 -alkyl;R.sup.7 and R.sup.8 are independently hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, alkynyl, aryl, or arylalkyl;R.sup.9 is alkyl, alkenyl or alkynyl;R.sup.
Type:
Grant
Filed:
June 4, 1998
Date of Patent:
December 7, 1999
Assignee:
NeuroSearch A/S
Inventors:
J.o slashed.rgen Scheel-Kruger, Gunnar M. Olsen, Elsbet .O slashed.stergaard Nielsen, Bjarne Hugo Dahl, Leif Helth Jensen