Abstract: A compound of general formula (I), or pharmaceutically acceptable salts, solvates or polymorphs thereof; wherein; R1 and R2, which may be the same or different, are hydrogen, C1-C6alkyl, (CH2)m (C3-C6cycloalkyl) wherein m =0, 1, 2 or 3, or R1 and R2 together with the nitrogen to which they are attached form an azetidine ring; each R3 is independently CF3, OCF3, C1-4alkylthio or C1-C4alkoxy; n is 1, 2 or 3; and R4 and R5, which may be the same or different, are: A—X, wherein A =—CH=CH— or —(CH2)p— where p is 0, 1 or 2; X is hydrogen, F, Cl, Br, I, CONR6R7, SO2NR6R7, SO2NHC(=O)R6, OH, C1-4alkoxy, NR8SO2R9, NO2, NR6R11, CN, CO2R10, CHO, SR10, S(O)R9 or SO2R10; R6, R7, R8 and R10 which may be the same or different, are hydrogen or C1-6alkyl optionally substituted independently by one or more R12; R9 is C1-6 alkyl optionally substituted independently by one or more R12; R11 is hydrogen, C1-6 alkyl optionally substituted independently by one or more R12, C(O

Abstract: The invention provides compounds of formula I wherein R1 is optionally substituted C1-6alkyl, optionally substituted C3-7cycloalkyl, optionally substituted aryl or optionally substituted heterocyclyl; n is 0, 1 or 2; and Y is —NR18S(O)uR19 or a group shown below.

Abstract: A compound of general formula (I), or pharmaceutically acceptable salts, solvates or polymorphs thereof; wherein; R1 and R2, which may be the same or different, are hydrogen, C1-C6alkyl, (CH2)m(C3-C6cycloalkyl) wherein m =0, 1, 2 or 3, or R1 and R2 together with the nitrogen to which they are attached form an azetidine ring; each R3 is independently CF3, OCF3, C1-4alkylthio or C1-C4alkoxy; n is 1, 2 or 3; and R4 and R5, which may be the same or different, are: A-X, wherein A =—CH=CH— or —(CH2)p— where p is 0, 1 or 2; X is hydrogen, F, Cl, Br, I, CONR6R7,SO2NR6R7, SO2NHC(=O)R6, OH, C1-4alkoxy, NR8SO2R9, NO2, NR6R11, CN, CO2R10, CHO, SR10, S(O)R9 or SO2R10 R6, R7, R and R10 which may be the same or different, are hydrogen or C1-6alkyl optionally substituted independently by one or more R12; R9 is C1-6 alkyl optionally substituted independently by one or more R12; R11 is hydrogen, C1-6 alkyl optionally substituted independently by one or more R12, C(O)R6, CO2R9

Abstract: The invention provides compounds of the formula (I) or a pharmaceutically acceptable salt thereof, wherein R is a 5-membered ring heteroaryl group containing 3 or 4 nitrogen heteroatoms which is linked to the quinoxalinedione ring by a ring carbon or nitrogen atom said group being optionally benzo-fused and optionally substituted, including in the benzo-fused portion, by 1 or 2 substituents each independently selected from C1-C4 alkyl, C2-C4 alkenyl, C3-C7 cycloalkyl, halo, hydroxy, C1-C4 alkoxy, C3-C7 cycloalkyloxy, —COOH, C1-C4 alkoxycarbonyl, —CONR3R4, —NR3R4, —S(O)p(C1-C4 alkyl), —SO2NR3R4, aryl, aryloxy, aryl(C1-C4)alkoxy, and het, said C1-C4alkyl being optionally substituted by C3-C7 cycloalkyl, halo, hydroxy, C1-C4 alkoxy, halo(C1C4)alkoxy, C3-C7 cycloalkyloxy, C3-C7 cycloalkyl (C1-C4) alkoxy, —COOH, C1-C4 alkoxycarbonyl, —CONR3R4, —NR3R4,—S(O)p(C1-C4 alkyl), —SO2(aryl), —SO2NR3R4 morpholino, aryl, aryloxy, aryl(C1-C4)

Abstract: This invention relates to 2,3(1H,4H)-quinoxalinedione derivatives which are selective antagonists of N-methyl-D-aspartate receptors. More particularly, this invention relates to 5-triazolyl-2,3(1H,4H)-quinoxalinedione derivatives and to the preparation of, compositions containing, and the uses of, such derivatives. It also relates to a method for treating acute neurodegeneration disorders and chronic neurological disorders.

Abstract: The invention provides compounds of formula I, ##STR1## wherein R.sup.1 and R.sup.2 independently represent Cl or C.sub.1-6 alkyl;R.sup.3 represents XCO.sub.2 R.sup.4, XCONHSO.sub.2 R.sup.5, YNHSO.sub.2 R.sup.5 or XR.sup.6 ;R.sup.4 represents H or C.sub.1-6 alkyl (optionally substituted by aryl or heterocyclyl);R.sup.5 represents CF.sub.3, heterocyclyl or C.sub.1-6 alkyl (optionally substituted by aryl or heterocyclyl);R.sup.6 represents an acidic heterocycle;X represents a C.sub.1-6 alkyl diradical (optionally subsituted by aryl or heterocyclyl); andY represents a C.sub.2-6 alkyl diradical (optionally substituted by aryl or heterocyclyl); provided that when R.sup.1 and R.sup.2 each represent Cl, then R.sup.3 does not represent CH.sub.2 CO.sub.2 H, CH.sub.2 CO.sub.2 CH.sub.3, CH.sub.2 CH.sub.2 NHSO.sub.2 CF.sub.3 or 5-tetrazolylmethyl; and pharmaceutically acceptable salts thereof.The compounds are indicated as anxiolytics, anticonvulsants, analgesics and neuroprotectives.

Abstract: Compounds of formula (I), wherein A represents N or CH; R.sup.1 and R.sup.2 independently represent C.sup.1-4 alkyl, halo or CF.sub.3 ; R.sup.3 represents C.sub.1-4 alkyl (optionally substituted), C.sub.3-7 cycloalkyl, CF.sub.3 or aryl; R.sup.4 represents H, C.sub.3-7 cycloalkyl or C.sub.1-6 alkyl (optionally substituted); and their pharmaceutically acceptable derivatives; are useful in the treatment of, inter alia, neurodogenerative disorders.

Abstract: Compounds of formula (I): ##STR1## and their pharmaceutically acceptable salts, wherein R.sup.1 and R.sub.2 are each independently Cl, Br, CH.sub.3, CH.sub.2 CH.sub.3 or CF.sub.3 ; R.sup.3 is H, CH.sub.3 or CH.sub.2 CH.sub.3 ; and X is a 5-membered heterocyclic group containing up to four nitrogen atoms, attached via a nitrogen atom, the said group being optionally substituted by C.sub.1 -C.sub.6 alkyl or (CH.sub.2).sub.n NR.sup.4 R.sup.5, wherein n is an integer from 1 to 5 and R.sup.4 and R.sup.5 are each independently H, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl or C.sub.1 -C.sub.4 alkyl substituted by phenyl or pyridyl, or R.sup.4 and R.sup.5 are linked to form, together with the nitrogen atom to which attached, a pyrrolidine, piperidine, piperazine, N-(C.sub.1 -C.sub.4 alkyl) piperazine, morpholine or azepine group, or, when X is triazolyl, said group may optionally be benzofused, are NMDA antagonists of value in the treatment of acute neurodegenerative disorders, e.g.

Abstract: Compounds of formula (I) wherein X is either (a) a phenyl group optionally substituted by 1 or 2 substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and hydroxy or (b) a thienyl group; and Y is of formula (Ya) or (Yb) where A and B are 0, 1 or 2, D and E are 0 or 1, F is 0-3 and D+E+F=1-3, Z is 0, 1 or 2, R.sub.1 and R.sub.2 are H or alkyl or form a ring, and R.sub.3 is C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl or optionally substituted phenyl or benzyl, are antimuscarinic bronchodilators useful for treating chronic obstructive airways disease or asthma.

Abstract: Compounds having the formula: ##STR1## wherein X is either (a) a phenyl group optionally substituted by 1 or 2 substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and hydroxy, or (b) a thienyl group; and Y is an imidazolyl, pyrazolyl, triazolyl or tetrazolyl group optionally substituted by 1 or 2 substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkoxy, hydroxy and amino; and pharmaceutically acceptable salts thereof, are antimuscarinic bronchodilators useful in the treatment of chronic obstructive airways disease and asthma.

Abstract: A compound of the formula: ##STR1## or a pharmaceutically acceptable salt thereof, wherein R.sup.1 is amino, hydroxy, alkoxy, phenoxy or benzyloxy, useful in the treatment of hypertension, angina, renal impairment or acute renal failure.