Patent ID: 6114329
Filing Date: 2000-09-05
Classification: A61P,C07D

Abstract:
A compound of formula (I) or a pharmaceutically acceptable salt thereof:X--CO--CH.sub.2 --Z (I)whereinX is of formula (g): ##STR4## wherein X.sup.g is O;A is a saturated or unsaturated polymethylene chain of 2-4 carbon atoms;R.sub.1.sup.g and R.sub.2.sup.g are hydrogen or C.sub.1-6 alkyl;R.sub.3.sup.g is hydrogen, halo, C.sub.1-6 alkyl, amino, nitro or C.sub.1-6 alkoxy;R.sub.4.sup.g is hydrogen, halo, C.sub.1-6 alkyl or C.sub.1-6 alkoxy;Z is of sub-formula (h), (j) or (k): ##STR5## wherein n.sup.1 is 1, 2, 3 or 4; n.sup.2 is 0, 1, 2, 3 or 4; n.sup.3 is 2, 3, 4 or 5;q is 0, 1, 2 or 3; p is 0, 1 or 2; m is 0, 1 or 2;R.sub.5 is hydrogen, C.sub.1-12 alkyl, aralkyl or R.sub.5 is (CH.sub.2).sub.z --R.sub.10 wherein z is 2 or 3 and R.sub.10 is selected from cyano, hydroxyl, C.sub.1-6 alkoxy, phenoxy, C(O)C.sub.1-6 alkyl, C(O)C.sub.6 H.sub.5, --CONR.sub.11 R.sub.12, NR.sub.11 COR.sub.12, SO.sub.2 NR.sub.11 R.sub.12 or NR.sub.11 SO.sub.2 R.sub.12 wherein R.sub.11 and R.sub.12 are hydrogen or C.sub.1-6 alkyl; or R.sub.5 is straight or branched chain alkylene of chain length 1-6 carbon atoms terminally substituted by aryl, 3 to 8 membered cycloalkyl, 3 to 8 membered heterocyclyl, 5 or 6 membered monocyclic heteroaryl or 9 or 10 membered fused bicyclic heteroaryl linked through carbon, C.sub.2-7 alkoxycarbonyl, or secondary or tertiary hydroxy substituted C.sub.1-6 alkyl; andR.sub.6, R.sub.7 and R.sub.8 are independently hydrogen or C.sub.1-6 alkyl; andR.sub.9 is hydrogen or C.sub.1-10 alkyl;having 5-HT.sub.4 receptor antagonist activity.