|Abstract:||The invention relates to tricyclic lactams of the general formula (I) ##STR1## wherein Im represents an imidazolyl group of the formula: ##STR2## and R.sup.1 represents a hydrogen atom or a group selected from C.sub.1-6 alkyl, C.sub.3-6 alkenyl, C.sub.3-10 alkynyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, phenyl, phenyl C.sub.1-3 alkyl, phenylmethoxymethyl, phenoxyethyl or phenoxymethyl, one of the groups represented by R.sup.2, R.sup.3 and R.sup.4 is a hydrogen atom or a C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-6 alkenyl, phenyl or phenyl C.sub.1-3 alkyl group, and each of the other two groups, which may be the same or different, represents a hydrogen atom or a C.sub.1-6 alkhyl group; n represents 2 or 3; and physiologically acceptable salts and solvates thereof. The compounds are potent and selective antagonists of the effect of 5-HT at 5-HT.sub.3 receptors and are useful, for example, in the treatment of psychotic disorders, anxiety, and nausea and vomiting.|
|Inventor(s):||Coates; Ian H. (Hertford, GB2), North; Peter C. (Royston, GB2), Oxford; Alexander W. (Royston, GB2)|
|Assignee:||Glaxo Group Limited (London, GB2)|
|Patent Claim Types:|
see list of patent claims
|Compound; Composition; Dosage form; Use;|
|Country||Document Number||Publication Date|
|Austria||111910||Oct 15, 1994|
|Australia||2174288||Mar 09, 1989|
|Australia||613662||Aug 08, 1991|
|Brazil||1100744||Nov 23, 1999|
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