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Claims for Patent: 7,115,634

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Claims for Patent: 7,115,634

Title:4-aminopiperidine and their use as a medicine
Abstract: A subject of the present application is new derivatives of 4-aminopiperidines of formula ##STR00001## in which R.sub.1, R.sub.2 and R.sub.3 represent various radical, and their preparation processes by synthetic methods in parallel in liquid and solid phase. These products having a good affinity with certain sub-types of somatostatin receptors, they are particularly useful for treating the pathological states or diseases in which one (or more) somatostatin receptors are involved.
Inventor(s): Thurieau; Christophe (Paris, FR), Gonzalez; Jerome (Annemasse, FR), Moinet; Christophe (Montreal, CA)
Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques (FR)
Application Number:10/130,924
Patent Claims: 1. A compound of the formula ##STR02455## in racemic, enantiomeric form or all combinations of these forms, wherein R.sub.1 is --(CH.sub.2).sub.m-Y-Z.sub.11 or --(CH.sub.2).sub.m-Z.sub.12, Z.sub.11 is (C.sub.1-C.sub.6)alkyl or optionally substituted aryl, Z.sub.12 is bis-phenyl optionally substituted aryl or -optionally substituted heteroaryl, R.sub.2 is selected from the group consisting of --C(Y)NHX.sub.1, --C(O)X.sub.2 and SO.sub.2X.sub.3; R.sub.3 is selected from the group consisting of hydrogen, an optionally substituted alkyl, alkenyl and alkynyl, X.sub.1 is selected from the group consisting of (C.sub.1-C.sub.15)alkyl, alkenyl, alkynyl, --(CH.sub.2).sub.m-Y-Z.sub.21 and --(CH.sub.2).sub.pZ.sub.22, Z.sub.21 is (C.sub.1-C.sub.6)alkyl Z.sub.22 is selected from the group consisting of cyclohexenyl, indanyl, bis-phenyl, (C.sub.3-C.sub.7)cycloalkyl and (C.sub.3-C.sub.7)heterocycloalkyl, aryl and heteroaryl optionally substituted X.sub.2 is selected from the group consisting of alkenyl optionally substituted by phenyl optionally substituted, alkynyl, --(CH.sub.2).sub.m-W-(CH.sub.2).sub.q-Z.sub.23 and --(CH.sub.2).sub.p-U-Z.sub.24 wherein Z.sub.23 is (C.sub.1-C.sub.6)alkyl or aryl optionally substituted; Z.sub.24 is selected from the group consisting of cyclohexenyl, bis-phenyl, (C.sub.3-C.sub.7)cycloalkyl optionally substituted, (C.sub.3-C.sub.7)heterocycloalkyl, cyano, amino, mono and di-alkylamino, aryl and heteroaryl optionally substituted, X.sub.3 is selected from the group consisting of (C.sub.1-C.sub.10)alkyl, alkenyl optionally substituted by phenyl optionally substituted, --CF.sub.3, and --(CH.sub.2).sub.pZ.sub.25, Z.sub.25 is aryl optionally substituted, Y is oxygen or sulfur, W is oxygen or sulfur or SO.sub.2; U is a covalent bond or oxygen; n is an integer from 0 to 4; m is an integer from 1 to 6; p is an integer from 0 to 6; q is an integer from 0 to 2, and their addition salts with pharmaceutically acceptable acids.

2. A compound of claim 1 wherein i) the substituents carried by aryl represented by Z.sub.11 and Z.sub.12 and heteroaryl represented by Z.sub.12 are independently selected from the group consisting of fluoro, chloro, bromo, iodo, alkyl, alkoxy, alkylthio, --CF.sub.3, --OCF.sub.3, phenyl, phenoxy and aminosulfonyl; iii) the substituents carried by aryl and heteroaryl represented by Z.sub.22 are independently selected from the group consisting of fluoro, chloro, bromo, iodo, alkyl, alkenyl, alkoxy, alkylthio, --CF.sub.3, --OCF.sub.3, nitro, cyano, azido, aminosulfonyl, piperidinosulfonyl, mono- or di-alkylamino, --C(O)--O-alkyl, --C(O)-alkyl, phenyl, phenoxy, phenylthio and benzyloxy, the phenyl optionally substituted; iv) the substituents carried by aryl represented by Z.sub.23 and Z.sub.24, cycloalkyl and heteroaryl represented by Z.sub.24 are selected independently from the group consisting of fluoro, chloro, bromo, iodo, alkyl, alkoxy, alkylthio, --CF.sub.3, --OCF.sub.3, --OCHF.sub.2, --SCF.sub.3, nitro, cyano, azido, hydroxy, --C(O)O-alkyl, --O--C(O)-alkyl, --NH--C(O)-alkyl, alkylsulfonyl, mono- or di-alkylamino, amino, aminoalkyl, pyrrolyl, pyrrolidinyl, phenyl, phenoxy, phenylthio, benzyl and benzyloxy, the aryl is optionally substituted by at least one member selected from the group consisting of alkyl, CF.sub.3 and halo; v) the substituents carried by aryl and heteroaryl represented by Z.sub.25 are independently selected from the group consisting of fluoro, chloro, bromo, iodo, alkyl, alkoxy, --CF.sub.3, --OCF.sub.3, nitro, cyano, --NH--C(O)-alkyl, alkylsulfonyl, amino, mono- and di-alkylamino, phenyl and pyridino; vi) the substituents carried by alkyl represented by R.sub.3 is cyano;

3. A compound of claim 1 wherein R.sub.1 is selected from the group consisting of --(CH.sub.2).sub.m-Y-Z.sub.11 and --(CH.sub.2).sub.m-Z.sub.12, Z.sub.11 is (C.sub.1-C.sub.6)alkyl, Z.sub.12 is selected from the group consisting of bis-phenyl, optionally substituted aryl and heteroaryl optionally substituted by at least one member selected from the group consisting of fluoro, chloro, bromo, iodo, alkyl and alkoxy, Y is oxygen, R.sub.2 is selected from the group consisting of --C(Y)NHX.sub.1, --C(O)X.sub.2 and SO.sub.2X.sub.3 wherein X.sub.1 is (C.sub.1-C.sub.15)alkyl, or --(CH.sub.2).sub.pZ.sub.22, Z.sub.22 is selected from the group consisting of cyclohexenyl, bis-phenyl, (C.sub.3-C.sub.7)cycloalkyl, and (C.sub.3-C.sub.7)heterocycloalkyl, aryl and heteroaryl-unsubstituted or substituted by at least one member selected from the group consisting of fluoro, chloro, bromo, iodo, alkyl, alkoxy, alkylthio, --CF.sub.3, OCF.sub.3, nitro, cyano, azido, piperidinosulfonyl, --C(O)--O-alkyl, --C(O)-alkyl, or phenyl, X.sub.2 is selected from the group consisting of alkynyl, --(CH.sub.2).sub.m-W-(CH.sub.2).sub.q-U-Z.sub.23 and --(CH.sub.2).sub.p-U-Z.sub.24, W is SO.sub.2, U is a covalent bond, Z.sub.23 is aryl; Z.sub.24 is selected from the group consisting of cyclohexenyl, bis-phenyl, (C.sub.3-C.sub.7)cycloalkyl optionally substituted by an aminoalkyl, aryl and heteroaryl unsubstituted or substituted by at least one member selected from the group consisting of fluoro, chloro, bromo, iodo, alkyl, alkoxy, --CF.sub.3, --OCF.sub.3, --SCF.sub.3, hydroxy, --O--C(O)-alkyl, mono- or di-alkylamino, amino X.sub.3 is --(CH.sub.2).sub.pZ.sub.25, Z.sub.25 is aryl optionally substituted by at least one member selected from the group consisting of alkoxy and --CF.sub.3, R.sub.3 is selected from the group consisting of hydrogen, alkyl, alkenyl.

4. A compound of claim 1 wherein R.sub.1 is [(C.sub.1-C.sub.6)alkyl,] --(CH.sub.2).sub.m-Y-Z.sub.11 and --(CH.sub.2).sub.m-Z.sub.12, Z.sub.11 is (C.sub.1-C.sub.6)alkyl, Z.sub.12 is selected from the group consisting of morpholino, bis-phenyl, pyrrolidinyl substituted by oxy, phenyl, piperazinyl, pyridinyl and indolyl, all unsubstituted or substituted by at least one member selected from the group consisting of bromo, fluoro, chloro, alkyl, alkoxy, --CF.sub.3 and --OCF.sub.3; Y is oxygen.

5. A compound of claim 1 wherein R.sub.2 is selected from the group consisting of --C(Y)NHX.sub.1, --C(O)X.sub.2 and SO.sub.2X.sub.3 X.sub.1 is (C.sub.1-C.sub.10)alkyl, or --(CH.sub.2).sub.pZ.sub.22, Z.sub.22 is selected from the group consisting of cyclohexyl, cyclohexenyl and bis-phenyl, morpholino, piperidino, and phenyl, naphthyl and furyl unsubstituted or substituted by at least one member selected from the group consisting of fluoro, chloro, bromo, iodo, alkyl, alkoxy, alkylthio, --CF.sub.3, --OCF.sub.3, nitro, cyano, azido, piperidinosulfonyl, --C(O)--O-alkyl, --C(O)-alkyl, --C(O)-alkyl and phenyl, or Z.sub.22 is ##STR02456## X.sub.2 is selected from the group consisting of alkyl, alkynyl, --(CH.sub.2).sub.m-W-(CH.sub.2).sub.q-Z.sub.23 and --(CH.sub.2).sub.pZ.sub.24, W is SO.sub.2; Z.sub.21 is phenyl; Z.sub.24 is selected from the group consisting of cyclohexenyl, bis-phenyl, cyclohexyl optionally substituted by an aminoalkyl, and phenyl, naphthyl, benzothienyl, thienyl and indolyl unsubstituted or substituted by at least one member selected from the group consisting of fluoro, chloro, bromo, iodo, alkyl, alkoxy, --CF.sub.3, --OCF.sub.3, --SCF.sub.3, hydroxy, --O--C(O)-alkyl, --NH--C(O)-alkyl, mono- or di-alkylamino and amino, or X.sub.3 is --(CH.sub.2).sub.pZ.sub.25, Z.sub.25 is phenyl unsubstituted or substituted by at least one alkoxy or --CF.sub.3.

6. A compound of claim 1 wherein R.sub.3 is selected from the group consisting of hydrogen, alkyl, alkenyl.

7. A compound of claim 1 wherein R.sub.1 is --(CH.sub.2).sub.mZ.sub.12 in which m=2 and Z.sub.12 is bis-phenyl or indolyl substituted by at least one member selected from the group consisting of alkyl and alkoxy.

8. A compound of claim 1 wherein R.sub.2 is --C(Y)NHX.sub.1 or --C(O)X.sub.2, Y is S; X.sub.1 is phenyl optionally substituted by at least one azido, X.sub.2 is --(CH.sub.2).sub.pZ.sub.24, p is 1, 2 or 3, Z.sub.24 is cyclohexyl, or phenyl or benzothienyl optionally substituted by at least one member selected from the group consisting of fluoro, chloro, bromo, iodo, --CF.sub.3.

9. A compound of claim 1 wherein R.sub.3 is hydrogen or methyl.

10. A pharmaceutical composition having an affinity for somatostatin receptors comprising an effective amount of a compound of claim 1 and a pharmaceutically acceptable carrier.
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