Patent number: 5972935
Abstract: The invention relates to novel heterocyclic compounds of formula (I) or a salt or N-oxide thereof, in which R is a group of formulae (i), (ii) or (iii), where R.sup.1 is hydrogen, halogen, C.sub.1-6 alkyl, C.sub.3-6 cycloalkyl, COC.sub.1-6 akyl, C.sub.1-6 alkoxy, hydroxy, hydroxyC.sub.1-6 alkyl, hydroxyC.sub.1-6 alkoxy, C.sub.1-6 alkoxyC.sub.1-6 alkoxy, acyle, nitro, trifluoromethyl, cyano, SR.sup.9, SOR.sup.9, SO.sub.2 R.sup.9, NR.sup.9 CONR.sup.10 R.sup.11, NR.sup.10 SO.sub.2 R.sup.11, SO.sub.2 NR.sup.11 r.sup.11, SO.sub.2 NR.sup.10 R.sup.11, CO.sub.2 R.sup.10, CONR.sup.10 R.sup.11, CO.sub.2 NR.sup.10 R.sup.11, CONR.sup.10 (CH.sub.2).sub.a CO.sub.2 R.sup.11, (CH.sub.2).sub.a NR.sup.10 R.sup.11, ##STR1## (CH.sub.2).sub.a CONR.sup.10 R.sup.11, (CH.sub.2).sub.a COR.sup.11, (CH.sub.2).sub.a CO.sub.2 C.sub.1-6 alkyl, CO.sub.2 (CH.sub.2).sub.a OR.sup.10, NR.sup.10 R.sup.11, N.dbd.CNR.sup.9 NR.sup.10 R.sup.11, NR.sup.10 CO(CH.sub.2).sub.a NR.sup.10 R.sup.11, NR.sup.10 CO.sub.2 R.sup.11, CONHNR.sup.10 R.sup.11, CR.
Type:
Grant
Filed:
April 24, 1998
Date of Patent:
October 26, 1999
Assignee:
SmithKline Beecham p.l.c.
Inventor:
Laramie Mary Gaster