Substituted 4-(1H-benzimidazol-2-yl-amino)piperidines useful for the treatment of allergic diseases
AssigneeAventis Pharmaceuticals Inc.
InventorsJohn M. Kane, George D. Maynard, Timothy P. Burkholder, Larry D. Bratton, Christopher R. Dalton, Braulio Santiago, Elizabeth M. Kudlacz
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Abstract
The present invention relates to novel substituted piperidine derivatives of formula (1), stereoisomers thereof, and pharmaceutically acceptable salts thereof which are useful as histamine receptor antagonists and tachykinin receptor antagonist. Such antagonists are useful in the treatment of allergic rhinitis, including seasonal rhinitis and sinusitis; inflammatory bowel diseases, including Crohn's disease and ulcerative colitis; asthma; bronchitis; and emesis.
Claims119
A compound of the formula
- wherein
- m is 2 or 3;
- n is 0 or 1;
- q is 1 or 2;
- r is 0 or 1;
- G1 is —CH2— or —C(O)—;
- G2 is —CH2—, —CH(CH3)— or —C(O)—;
- G3 is —CH2— or C(O)—;
- Ar1 is a radical chosen from the group consisting of
- wherein
- R1 is from 1 to 3 substituents each independently chosen from the group consisting of hydrogen, halogen, hydroxy, —CF3, C1-C6 alkyl, and C1-C6 alkoxy;
- R2 is from 1 to 2 substituents each independently chosen from the group consisting of hydrogen, halogen, C1-C6 alkyl, and C1-C6 alkoxy;
- Ar2 is a radical selected from the group consisting of
- wherein
- z is 1 or 2;
- R20 is from 1 to 2 substituents each independently chosen from the group consisting of hydrogen, hydroxy, halogen, C1-C6 alkyl, and C1-C6 alkoxy;
- R3 is from 1 to 3 substituents each independently chosen from the group consisting of hydrogen, hydroxy, halogen, —OCF3, C1-C6 alkyl, C1-C6 alkoxy, (CH2)dS(O)bR22, —(CH2)eCN, —O(CH2)cCO2R23, —NH2, —NHC(O)CH3, —NHSO2CH3 wherein c is an integer from 1 to 5;
- b is 0, 1, or 2;
- d is 0 or 1;
- e is 0 or 1;
- R22 is C1-C4 alkyl;
- and R23 is hydrogen or C1-C4 alkyl;
- R21 is hydrogen or a radical chosen from the group consisting of
- wherein
- f is 0 or 1;
- R25 is hydrogen or —CH3;
- R24 is selected from the group consisting of hydrogen, C1-C4 alkyl, —CF3, phenyl, S(O)xR26, and CH2N(CH3)2 wherein x is 0, 11 or 2;
- R26 is C1-C4 alkyl;
- X is a radical chosen from the group consisting of
- wherein
- R4 is from 1 to 3 substituents each independently chosen from the group consisting of hydrogen, halogen, —CF3, C1-C6 alkyl, and C1-C6 alkoxy;
- R5 is chosen from the group consisting of hydrogen, C1-C4 alkyl, —(CH2)w—O—(CH2)tCO2R8, —(CH2)jCN, —(CH2)uCO2R6, —(CH2)uC(O)NR16R17, —(CH2)uC(O)(CH2)iCH3 —(CH2)pAr3, —(CH2)w—O—R7, —CH2CH═CHCF3, —(CH2)2CH═CH2, —CH2CH═CH2, —CH2CH═CHCH3, —CH2CH═CHCH2CH3, —CH2CH═C(CH3)2, and —(CH2)gS(O)kR19,
- wherein
- w is an integer from 2 to 5;
- t is an integer from 1 to 3;
- j is an integer from 1 to 5;
- u is an integer from 1 to 5;
- i is 0, 1, or 2;
- p is an integer from 1 to 5;
- g is 2 or 3;
- k is 0, 1, or 2;
- R8 is hydrogen or C1-C4 alkyl;
- R6 is hydrogen or C1-C4 alkyl;
- R16 is hydrogen or C1-C4 alkyl;
- R17 is hydrogen or C1-C4 alkyl;
- R19 is C1-C4 alkyl or a radical of the formula
- Ar3 is a radical chosen from the group consisting of
- wherein
- R9 is from 1 to 3 substituents each independently chosen from the group consisting of hydrogen, halogen, —CF3, C1-C6 alkyl, C1-C6 alkoxy, and —CO2R13 wherein R13 is chosen from the group consisting of hydrogen and C1-C4 alkyl;
- R10 is from 1 to 2 substituents each independently chosen from the group consisting of hydrogen, halogen, C1-C6 alkyl, and C1-C6 alkoxy;
- R11 is chosen from the group consisting of hydrogen, —CH3, and —CH2OH;
- R12 is chosen from the group consisting of hydrogen, C1-C4 alkyl, and benzyl;
- R18 is chosen from the group consisting of hydrogen, halogen, —CH3, and —CH2OH;
- R7 is hydrogen, C1-C4 alkyl, —(CH2)y—CF3, —CH2CN or a radical chosen from the group consisting of
- wherein
- v is an integer from 1 to 3;
- y is an integer from 0 to 2;
- R14 is chosen from the group consisting of hydrogen, halogen, C1-C4 alkyl, and —CO2R15 wherein R15 is hydrogen or C1-C4 alkyl;
- provided that when G1 is —C(O)— then G2 is either —CH2— or —CH(CH3)— and G3 is —CH2—;
- further provided that when G2 is —C(O)— then G1 is —CH2— and G3 is —CH2—;
- still further provided that when G3 is —C(O)— then G1 is —CH2— and G2 is either —CH2— or —CH(CH3)—;
- or stereoisomers, or pharmaceutically acceptable salts thereof.
Dependencies are inferred from the claim text.