Abstract: A class of fused tricyclic heteroaromatic compounds of formula (I) as defined in claim 1 or a salt thereof or a prodrug thereof, containing a fused pyrazole, oxazole or pyrimidine ring are ligands for dopamine receptor subtypes within the body and are therefore of use in the treatment and/or prevention of disorders of the dopamine system, such as schizophrenia.

Abstract: A process for preparing tryptamine derivatives and related compounds having a 1,2,4-triazol-1-yl moiety within the molecule comprises reacting 4-amino-1,2,4-triazol with a nitrobenzene derivative containing a readily displaceable group; deaminating the aminotriazolium salt thereby obtained by treatment with nitrous acid followed by neutralisation; reducing the triazolyl-ni-trobenzene derivative thereby obtained by transfer hydrogenation; treating the triazolyl-aniline derivative thereby obtained with nitrous acid and then with an alkali metal sulphate, followed by acidification; and subsequently reacting the triazolyl-hydrazine derivative thereby obtained in situ with a suitable carbonyl compound, to obtain the required triazolyl-indole derivative.

Abstract: The invention is directed to substituted benzimidazole compounds which are ligands for dopamine receptor subtypes used in the treatment of the dopamine system.

Abstract: A class of pyrrolo?2,3 -b!pyridine derivatives, linked via the 3-position thereof by a methylene group to a tetrahydropyridinyl moiety, the latter moiety being substituted in turn by an aryl- or heteroaryl-substituted divalent monocyclic radical, are ligands for dopamine receptorsubtypes within the body, in particular the D.sub.4 subtype, and are accordingly of use in the treatment and/or prevention of disorders of the dopamine system, including schizophrenia and depression.

Abstract: The present invention relates to the cloning of novel cDNA sequences encoding human and rat inositol monophosphatase (IMP); to the preparation of IMP enzyme by incorporation of the cDNAs into an expression vector and the expression thereof in recombinant host cells; and to the use of the enzyme thereby obtained in designing and developing medicaments which are inhibitors of human or rat IMP.

Abstract: The present invention relates to compounds of the formula (I): ##STR1## wherein Ar.sup.1 represents optionally substituted phenyl; Ar.sup.2 represents aryl; benzhydryl; or benzyl; wherein each aryl and heteroaryl and each phenyl moiety of benzyl and benzhydryl may be substituted;R.sup.1 represents H or a group of the formula Z-R.sup.2 ;R.sup.2 represents H, CO.sub.2 R.sup.7, CONR.sup.7 R.sup.8, NR.sup.7 R.sup.8, NR.sup.7 COR.sup.9, NR.sup.7 SO.sub.2 R.sup.8, trifluoromethyl, heteroaryl or --O-heteroaryl, each of which heteroaryl groups are as previously defined and may be optionally substituted, or R.sup.2 represents a group selected from phenyl, piperazinyl, piperidinyl, spiro-fused piperidinyl, tetrahydroquinolinyl or tetrahydroisoquinolinyl, each of which may be substituted;R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each independently represent H or C.sub.1-4 alkyl;R.sup.7 and R.sup.8 each independently represent H, C.sub.

Abstract: Compounds of formula I are ligands for dopamine receptor subtypes within the body and are therefore useful in the treatment and/or prevention of disorders of the dopamine system, in particular schizophrenia.

Abstract: A class of substituted furo?2,3-b!pyridine derivatives are ligands for dopamine receptor subtypes within the body, in particular the D.sub.4 subtype, and are therefore useful in the treatment and/or prevention of disorders of the dopamine system, in particular schizophrenia or depression.

Abstract: A class of substituted 1,2,3,4,5,6,7,8-octahydronaphthyridine derivatives are ligands for dopamine receptor subtypes within the body, in particular the D.sub.4 subtype, and are therefore useful in the treatment and/or prevention of disorders of the dopamine system, in particular schizophrenia or depression.

Abstract: A class of imidazolone and oxazolone derivatives of Structure I, ##STR1## wherein X represents oxygen or N--R.sup.1 ;Q represents a substituted five-, six- or seven-membered monocyclic heteroaliphatic ring which contains one nitrogen atom as the sole heteroatom and is linked to the imidazolone or oxazolone ring via a carbon atom;R.sup.1 represents hydrogen or C.sub.1-6 alkyl; andone of R.sup.2 and R.sup.3 represents hydrogen or C.sub.1-6 alkyl and the other of R.sup.2 and R.sup.3 represents cycloalkyl or a group of formula (i), (ii) or (iii): ##STR2## in which Z represents oxygen, sulphur or NH; R.sup.4, R.sup.5 and R.sup.

Abstract: A class of pyridazino?4,5-b!indole-1,4-dione derivatives, substituted in the 2-position by an optionally substituted phenyl moiety, are selective non-competitive antagonists of NMDA receptors and/or are antagonists of AMPA receptors, and are therefore of utility in the treatment and/or prevention of conditions, such as neurodegenerative disorders, convulsions or schizophrenia, which require the administration of an NMDA and/or AMPA antagonist.

Abstract: A class of fused tricyclic heteroaromatic compounds of formula (I), or a salt thereof or a prodrug thereof containing a fused pyrazole ring are ligands for dopamine receptor subtypes within the body and are therefore of use in the treatment and/or prevention of disorders of the dopamine system, such as schizophrenia.

Abstract: A class of novel oxadiazoles, substituted on one of the ring carbon atoms with a non-aromatic azacyclic or azabicyclic ring, and substituted on the other ring carbon atom with a substituent of low lipophilicity; are potent muscarinic agonists, and have good CNS penetrability. The compounds are therefore useful in the treatment of neurological and mental illnesses.

Abstract: A class of substituted isoxazole and pyrazole derivatives of formula (I), or a salt thereof of or a prodrug thereof, wherein the broken circle represents two non-adjacent double bonds whereby the five-membered ring containing X and Y is aromatic; one of X and Y represents nitrogen, and the other of X and Y represents oxygen or N--R.sup.5 ; R.sup.1 represents hydrogen, C.sub.1-6 alkyl or trifluoromethyl; R.sup.2 and R.sup.3 independently represent hydrogen, hydrocarbon, a heterocyclic group, halogen, cyano, trifluoromethyl, nitro, --OR.sup.a, --SR.sup.a, --SOR.sup.a, --SO.sub.2 R.sup.a, --SO.sub.2 NR.sup.a R.sup.b, --NR.sup.a R.sup.a, --NR.sup.a CO.sub.2 R.sup.b, --COR.sup.a, --CO.sub.2 R.sup.a or --CONR.sup.a R.sup.b, R.sup.4 represents hydrocarbon or a heterocyclic group; R.sup.5 represents hydrogen or C.sub.1-6 alkyl; and R.sup.a and R.sup.

Abstract: Compounds of Formula (I), and salts and prodrugs thereof, wherein said formula, R.sup.1 represents certain optionally substituted alkyl or C.sub.3-7 cycloalkyl; R.sup.2 represents (II) or (III), where m is 0, 1, 2 or 3; R.sup.9 is H or C.sub.1-6 alkyl; R.sup.10 is imidazolyl, triazolyl or tetrazolyl, and R.sup.11 is H, C.sub.1-6 alkyl or halo; R.sup.3 is C.sub.1-6 alkyl, halo or NR.sup.6 R.sup.7 ; R.sup.4 is C.sub.1-7 alkyl, C.sub.3-10 cycloalkyl, C.sub.3-10 cycloalkylC.sub.1-4 alkyl, C.sub.6-10 bicycloalkyl, optionally substituted aryl, or NR.sub.12 R.sub.13 ; R.sup.5 is H or C.sub.1-4 alkyl; n is 0, 1, 2 or 3; which are CCK and/or gastrin antagonists useful in therapy.

Abstract: The methanesulfonate salt of a class of antipsychotic compounds comprising a benzo?b!furan moiety and a substituted heterocyclic moiety, linked via the 3-position of the benzo?b!furan moiety by a methylene group, which are antagonists of dopamine receptor subtypes within the brain, being extremely potent antagonists of the human dopamine D.sub.4 receptor subtype and having a selective affinity for the D.sub.4 subtype over other dopamine receptor subtypes, possess advantageous qualities in terms of their improved aqueous solubility relative to the corresponding free base and, as such, provide for greater ease of formulation and display enhanced pharmacokinetic properties, including oral absorption.

Abstract: The present invention relates to a process for the preparation of azaindole derivatives of the formula ##STR1## wherein Q is hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.1-6 alkoxy, hydroxy, aryl or arylC.sub.1-4 alkyl;one of X, Y and Z is --N.dbd. and the others are --CH.dbd.;R.sup.1 is hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.1-6 alkyl substituted by a group selected from aryl or --NR.sup.2 R.sup.3 where R.sup.2 and R.sup.3 each independently represent C.sub.1-4 alkyl, or R.sup.2 and R.sup.3, together with the nitrogen atom to which they are attached, form a 4-7 membered saturated heterocyclic ring, optionally containing in the ring an oxygen or sulphur atom or a group NR.sup.4 where R.sup.4 is C.sub.1-4 alkyl, aryl or arylC.sub.1-4 alkyl; andR.sup.5 is a hydrogen atom or a group selected from C.sub.1-6 alkyl or aryl.

Abstract: The present invention relates to compounds of formula (I) and salts and prodrugs thereof, wherein Q.sup.1 represents a phenyl group substituted by one or more halo optionally substituted naphthyl, optionally substituted indolyl, optionally substituted benzthiophenyl, optionally substituted benzofuranyl, optionally substituted benzyl or optionally substituted fluorenyl; R.sup.1 represents H or C.sub.1-6 alkyl; R.sup.2 represents H, C.sub.1-6 alkyl or C.sub.2-6 alkenyl; Z.sup.1 represents a group selected from (a) or (b). The compounds are tachykinin antagonists useful for treating pain or inflammation, migraine or emesis.

Abstract: Compounds of formula (I) ##STR1## exemplified by formulae (Ia) and (Ib) ##STR2## are tachykinin receptor antagonists useful in the treatment of disorders associated with the presence of an excess of tachykinins such as pain, inflammation, migraine, emesis and post herpetic neuralgia.