| abstract |
Compounds and their pharmaceutically acceptable salts suitable for treating central nervous system disorders associated with the dopamine D3 receptor activity of structural Formula (I) where X and Y are at the 5, 6, or 7 position wherein i) n is 1 then X is (CH2)mCONR4R5, (CH2)mSO2R3, (CH2)mSO2NR4R5, (CH2)mNR4CONHR5, (CH2)mNHSO2R3, (CH2)mNHCOR3, or C(O)R4 (where m is 0 or 1, except that where m is 0, the Y is not hydrogen or halogen); and Y is R4, (CH2)pCONR4R5, (CH2)pCN, (CH2)pSO2NR4R5, OR6, (CH2)pSO2R3, (CH2)pNHSO2R3, halogen or (CH2)pNHCOR3 (where p is 0 or 1); ii) n is 0 or 1 then X and Y are in ortho-positions relative to each other and are jointly: a) -C(O)NR10C(O)-, b) -C(O)NR4(CH2)xNR10C(O)- (where x is 0 or 1), c) -CH2NR10C(O)-, d) -(CH2)2NR10C(O)-, e) -CH2C(O)NR10-, f) -N(R3)-C(O)-N(R3)-, g) -N(R3)-C(O)-O-, h) -N=C(R7)-N(R3)-, or j) -CH2N(R8)CH2-; or iii) n is 0 and Y is OR9 then X is (CH2)mCONR4R5, (CH2)mSO2NR4R5, (CH2)mNR4CONHR5, (CH2)mSO2R3, (CH2)mNHSO2R3 or (CH2)mNHCOR3, C(O)R4 (where m is 0 or 1). A compound of structural Formula (II) or its pharmaceutically acceptable salts where one of A, B, C, or D is nitrogen and remaining positions are CH; n is 1 or 2; X and Y are: i) substituted at positions A, B, C, or D wherein X is (CH2)mCONR4R5, (CH2)mCN, (CH2)mSO2NR4R5, OSO2R3, (CH2)mNR4CONHR5, (CH2)mSO2R3, (CH2)mNHSO2R3 or (CH2)mNHCOR3, C(O)R4 (where m is 0 or 1, except that where m is 0, Y is not hydrogen or halogen); and Y is R4, (CH2)pCONR4R5, (CH2)pCN, (CH2)pSO2NR4R5, OR6, OSO2R3, (CH2)pSO2R3, (CH2)pNHSO2R3, halogen or (CH2)pNHCOR3 (where p is 0 or 1); or ii) jointly in an ortho-positions relative to each other and are: -C(O)NR4C(O)-, -CH2NR4C(O)-, -CH2C(O)NR4- or -CH2N(R4)CH2-. A compound of structural Formula (III) or its pharmaceutically acceptable salts wherein one of E or F is N and the other is S; n is 1 or 2. The R1-10 groups for structural Formula (I), (II) and (III) are as defined above. |