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|Abstract:||The invention relates to C.sub.2-20 alkanoic acid esters of 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6, 7,8,9-tetrahydro-9-hydroxy-2 -methyl-4H-pyrido[1,2-a]pyrimidin-4-one, pharmaceutically acceptable acid addition salts thereof, and enantiomeric forms thereof, which are useful in the treatment of warm-blooded animals suffering from psychotic diseases.|
|Inventor(s):||Janssen; Cornelus G. M. (Vosselaar, BE), Knaeps; Alfonsus G. (Herentals, BE), Kennis; Ludo E. J. (Turnhout, BE), Vandenberk; Jan (Beerse, BE)|
|Assignee:||Janssen Pharmaceutica N.V. (Beerse, BE)|
1. A compound selected from the group consisting of a C.sub.2-20 alkanoic acid ester of 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetr
ahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, a pharmaceutically acceptable acid addition salt thereof, and an enantiomeric form thereof.
2. An antipsychotic composition comprising an inert carrier and as active ingredient an antipsychotic effective amount of the compound of claim 1.
3. A method of treating warm-blooded animals suffering from psychotic diseases, which method comprises the administration to said warm-blooded animals of an antipsychotic effective amount of the compound of claim 1.
4. The compound of claim 1 wherein the alkanoic acid is octanoic acid, decanoic acid, dodecanoic acid, or tetradecanoic acid.
5. The composition of claim 2 wherein the alkanoic acid is octanoic acid, decanoic acid, dodecanoic acid, or tetradecanoic acid.
6. The method of claim 3 wherein the alkanoic acid is octanoic acid, decanoic acid, dodecanoic acid, or tetradecanoic acid.
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