Alkyl-substituted compounds having dopamine receptor affinity

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United States of America Patent

PATENT NO 5834459
SERIAL NO

08754014

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Described herein are D4 receptor-selective compounds of the general formula: ##STR1## wherein: A and B are independently selected, optionally substituted, unsaturated 5- or 6-membered, homo- or heterocyclic rings; X.sub.1 is selected from CH.sub.2, O, NH, S, C.dbd.O, CH--OH, CH--N(C.sub.1-4 alkyl).sub.2, C.dbd.CHCl, C.dbd.CHCN, N--C.sub.1-4 alkyl, N-acetyl, SO.sub.2 and SO; X.sub.2 - - - is selected from N.dbd., CH.sub.2 --, CH.dbd. and C(O); Y is selected from N and CH; R.sub.1 represents C.sub.1-4 alkyl; n is 0, 1 or 2; q is 1 or 2; and Z is C.sub.5-10 alkyl optionally substituted with OH, halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy and optionally incorporating a heteroatom selected from O, N and S; and acid addition salts, solvates and hydrates thereof. Their use as ligands for dopamine receptor identification and in a drug screening program, and as pharmaceuticals to treat indications in which D4 receptor stimulation is implicated, such as schizophrenia, is also described.

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Patent Owner(s)

Patent OwnerAddress
NPS PHARMACEUTICALS INC550 HILLS DRIVE THIRD FLOOR BEDMINSTER NJ 07921

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fu, Jian-Min Brampton, CA 56 520

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