Abstract: Compounds of formula (I) or a derivative thereof, wherein; R is C1-6allkyl, C3-7cycloalkyl, C1-6alkoxy, hydroxy, halo, C1-6alkenyl, C1-6allkynyl, amino, C1-6alkylamino, di(C1-6alkyl)amino, hydroxyC1-6alkyl, C1-6akoxyC1-6alkyl, aminoC1-6allkyl, (C1-6allkyl)aminoC1-6alkyl, di(C1-6allkyl)aminoC1-6alkyl; R1 is hydrogen or R; R2 is hydroxy, C1-6alkoxy, amino, C1-6alkylamino, di(C1-6alkyl)amino; R3 is hydrogen or C1-6alkyl; R4 and R5 are each independently selected from the list consisting of perhaloC1-6alkyl, hydrogen, halo, C1-6alkyl, C1-6alkoxy, hydroxy, amino, C1-6akylamino, di(C1-4alkyl)amino, hydroxyC1-6alkyl, C1-6akoxyC1-6alkyl, aminoC1-6allkyl, (C1-4alkyl)aminoC1-6alkyl, di(C1-4alkyl)aminoC1-4alkyl, aryl, and COX wherein X may be hydroxy, C1-6alkoxy, C1-6alkyl, amino, C1-6alkylamino, or di(C1-6allkyl)amino; with the proviso that, when R3 is hydrogen, then R R4 and R5 are not both hydrogen; and wherein any alkyl group or the alkyl moiety of any group containing such a moiety may be substituted one or more ti

Abstract: A compound, or a solvate or a salt thereof, of formula (I): 1

Abstract: A compound, or a solvate or a salt thereof, of formula (I): wherein R is linear or branched alkyl; R1 represents hydrogen or up to four optional substituents selected from the list consisting of: C1-6 alkyl, C1-6 alkenyl, aryl, C1-6 alkoxy, hydroxy, halogen, nitro, cyano, carboxy, carboxamido, sulphonamido, C1-6 alkoxycarbonyl, trifluoromethyl, acyloxy, phthalimido, amino or mono- and di-C1-6 alkylamino; R2 represents a moiety —(CH2)n—NY1Y2 wherein n is an integer in the range of from 1 to 9, Y1 and Y2 are independently selected from hydrogen; C1-6-alkyl; C1-6 alkyl substituted with hydroxy, C1-6 alkylamino or bis (C1-6 alkyl) amino; C1-6-alkenyl; aryl or aryl-C1-6-alkyl or Y1 and Y2 together with the nitrogen atom to which they are attached represent an optionally substituted N-linked single or fused ring heterocyclic group; R3 is branched or linear C1-6 alkyl, C3-7 cycloalkyl, C4-7 cycloalkylalkyl, optionally substituted aryl, or an optionally substituted single or fused rin

Abstract: A compound, a solvate or salt thereof, of formula (I): ##STR1## in which: A is ##STR2## p is 2; ROC-- is an acyl group linked to a substituted or unsubstituted carbocyclic aromatic ring system;R.sub.1 and R.sub.2 are substituents on the same or different carbon atoms and are independently hydrogen or C.sub.1-6 alkyl; andR.sub.a is a phenyl or thienyl ring, andis useful for the treatment of pain, hyponatremic disease states or cerebral ischemia.

Abstract: A compound, or solvate or salt thereof, of formula ##STR1## R.sub.1 is hydrogen, halogen, or C.sub.1-6 alkyl; R.sub.2 and R.sub.3 are hydrogen or C.sub.1-6 alkyl;R.sub.5 together with R.sub.4 forms a --(CH).sub.2).sub.2 -- group optionally substituted by one or two C.sub.1-6 alkyl;W is halogen or when A is gem-dimethyl substituted piperidine, is OH;a is 1 or 2,useful in the treatment of pain.

Abstract: A compound, or a solvate or salt thereof, of formula (I): ##STR1## in which: RCO is an acyl group in which the group R contains a substituted or unsubstituted carbocyclic aromatic or heterocyclic aromatic ring and R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.3-6 cycloalkyl or C.sub.4-12 cycloalkylalkyl groups or together form a C.sub.2-8 branched or linear polymethylene or C.sub.2-6 alkenylene group optionally substituted with a hetero-atom;R.sub.3 is hydrogen, C.sub.1-6 alkyl, preferably methyl or ethyl, .sup.4 or phenyl, or R.sub.3 together with R.sub.1 forms a --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 --, group;R.sub.4 and R.sub.5 are identical and are hydrogen or C.sub.1-6 alkyl, or together form a C.sub.2-5 linear polymethylene group; R.sub.6 and R.sub.7 are identical and are hydrogen or C.sub.1-6 alkyl, or together form a C.sub.2-5 linear polymethylene group;or R.sub.5 and R.sub.6 are together --CH.sub.2 -- when each of R.sub.4 and R.sub.7 is hydrogen or C.

Abstract: A compound, or a solvate or salt thereof, of formula (I): ##STR1## in which R represents a group of formula (II) ##STR2## in which R.sub.x is the remainder of a heterocyclic group, or an optionally substituted phenyl group;R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.3-6 cycloalkyl or C.sub.4-12 cycloalkylalkyl groups, or together form a C.sub.2-8 branched or linear polymethylene or C.sub.2-6 alkenylene group, optionally substituted with a hetero-atom;R.sub.3 is hydrogen, C.sub.1-6 alkyl, or phenyl, or R.sub.3 together with R.sub.1 form a --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 -- group;R.sub.4 and R.sub.5, which may be located on the same or different carbon atoms, are independently hydrogen, C.sub.1-6 alkyl, or phenyl;m is 1, 2 or 3;R.sub.7 is hydrogen or C.sub.1-6 alkyl;n is 0, 1 or 2;X is direct bond, or O, S or NR.sub.6 in which R.sub.6 is hydrogen or C.sub.1-6 alkyl;Y is >C.dbd.O, >CHOH, >S.dbd.O or >SO.sub.2 ;each is R.sub.8 and R.sub.9 is C.

Abstract: A compound of formula (I): ##STR1## or a salt and/or solvate thereof, wherein R represents an acyl group containing a substituted or unsubstituted carbocyclic aromatic or heterocyclic aromatic group;R.sup.1 and R.sup.2 each independently represents an alkyl, alkenyl or alkynyl group or R.sup.1 together with R.sup.2 represents a C.sub.3-6 polymethylene or alkenylene group;R.sup.3 represents hydrogen or alkyl;R.sup.4 represents hydrogen, halogen, alkyl, hydroxy, alkoxy, nitrile, nitro, amino or mono or disubstituted amino; andn represents O or an integer 1,is useful in the treatment of pain.

Abstract: A compound, or a solvate or salt thereof, of formula I: ##STR1## in which: R.CO-- is an acyl group containing a substituted or unsubstituted carbocyclic aromatic or heterocyclic aromatic group;R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.3-6 cycloalkyl or C.sub.4-12 cycloalkylalkyl groups or together form a C.sub.2-8 branched or linear polymethylene or C.sub.2-6 alkenylene group, optionally substituted with a hetero-atom;R.sub.3 is hydrogen, C.sub.1-6 alkyl, or phenyl or R.sub.3 together with R.sub.1 form a --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 -- group;R.sub.4 is C.sub.1-6 alkyl, or phenyl;R.sub.5 is hydrogen or together with R.sub.4 forms a --(CH.sub.2).sub.n -- group in which n=1, 2 or 3; and `Het` is an optionally substituted single or fused ring heterocyclic group, containing from 5 to 12 ring atoms and comprising up to four hetero-atoms in the or each ring selected from oxygen, nitrogen and sulphur, with the proviso that when, simultaneously, R.sub.

Abstract: A compound, or a solvate or salt thereof, of formula (I): ##STR1## in which: RCO is an acyl group in which the group R contains a substituted or unsubstituted carbocyclic aromatic or heterocyclic aromatic ring and R.sub.1 R.sub.2 are independently hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.3-6 cycloalkyl or C.sub.4 -12 cycloalkylalkyl groups or together form a C.sub.2-8 branched or linear polymethylene or C.sub.2-6 alkenylene group optionally substituted with a hetero-atom;R.sub.3 is hydrogen, C.sub.1-6 alkyl, or phenyl, or R.sub.3 together with R.sub.1 forms a --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 --, group; R.sub.4 and R.sub.5, which may be the same or different and may be attached to the same or different carbon atoms of the isoquinoline nucleus, are each hydrogen, halogen, hydroxy, C.sub.1-6 alkyl, aryl, or R.sub.4 together with R.sub.5 form a --(CH.sub.2).sub.p -- group, where p is an integer of from 1 to 5 and one or more of the --(CH.sub.2)-- moieties is optionally substituted by a C.

Abstract: A compound of formula 1, or a solvate or salt thereof: ##STR1## in which: RCO is an acyl group in which the group R comprises a substituted or unsubstituted carbocyclic or heterocyclic aromatic ring and R.sub.1 and R.sub.2 are independently C.sub.1-6 alkyl groups or together form a C.sub.3-6 polymethylene or alkenylene group, is useful for treating pain.