- AMINE DERIVATIVES
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A compound of the formula: ???whereinX and X' are the same or different, and each represents a hydrogen atom, a fluorine atom, a chlorine atom or an amino optionally having substituents, and at least one of X and X' represents a fluorine atom, a chlorine atom or an amino optionally having substituents;R1 and R2 represent a hydrogen atom or C1-6 alkyl optionally having substituents, or R1 and R2, together with the adjacent nitrogen atom, form a nitrogen-containing heterocyclic ring optionally having substituents;Y and Q are the same or different, and each represents a bond or a spacer having a main chain of 1 to 6 atoms;... represents a single bond or a double bond;T1 and T2 are the same or different, and each represents C(R9) (R9 represents a hydrogen atom, a hydroxy or C1-6 alkyl) or N, when each of the adjacent ... is a single bond, and C when the adjacent ... is a double bond; andAr represents an aromatic group optionally having substituents, a C3-9 cycloalkyl group optionally having substituents, a 3 to 9-membered saturated heterocyclic group optionally having substituents, a hydrogen atom or a halogen atom; provided that 6-chloro-3-(R,S)-(N,N-dimethylamino)methyl-1-[3-(indol-3-yl)-2-[(R)-(4-phenylpiperazin-1-yl)carbonylamino]propanoyl]-1,2,3,4-tetrahydroquinoline; 6-chloro-3-(R,S)-(N,N-dimethylamino)methyl-1-[3-(indol-3-yl)-2-[(R)-4-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidinocarbonylamino]propanoyl]-1,2,3,4-tetrahydroquinoline and 1-benzoyl-N-[(R)-2-[6-chloro-3-[(N,N-dimethylamino)methyl]-1,2,3,4-tetrahydroquinolin-1-yl]-1-[3-(indol-3-yl)propanoyl]-4-piperidinecarboxamide are excluded; a salt thereof or a prodrug thereof has an excellent somatostatin receptor binding inhibition action and is useful for preventing and/or treating diseases associated with somatostatin.
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- Arylthio piperidinamide of (4-quinolinylamino)benzoic acid and S-oxidized derivatives
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This invention provides a piperidine compound of the formula: STR1 wherein R1 is hydrogen or trihalomethyl, R2 is hydrogen or protected carboxy, R3 is heterocyclic group or aryl which may be halogen substituted, and X is -
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