Patent number: 6110914
Abstract: A compound of formula ##STR1## wherein n is 0 or 1; m is 0 or 1; p is 0 or 1; X is oxygen or sulfur; Y is CH, N or NO; W is oxygen, H.sub.2 or F.sub.2 ;A is N or C(R.sup.2); G is N or C(R.sup.3); D is N or C(R.sup.4);with the proviso that no more than one of A, G, and D is nitrogen, but at least one of Y, A, G, and D is nitrogen or NO;R.sup.1 is hydrogen or C.sub.1 to C.sub.4 alkyl;R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.2 -C.sub.4 alkynyl, aryl, heteroaryl, OH, OC.sub.1 -C.sub.4 alkyl, CO.sub.2 R.sup.1, --CN, --NO.sub.2, --NR.sup.5 R.sup.6, --CF.sub.3, --OSO.sub.2 CF.sub.3 or R.sup.2 and R.sup.3, or R.sup.3 and R.sup.4, respectively, may together form another six membered aromatic or heteroaromatic ring sharing A and G, or G and D, respectively, containing between zero and two nitrogen atoms, and substituted with one to two of the following substituents: independently hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.
Type:
Grant
Filed:
October 29, 1998
Date of Patent:
August 29, 2000
Assignee:
Astra Aktiebolag
Inventors:
Eifion Phillips, Robert Mack, John Macor, Simon Semus