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IL-8 receptor antagonists

  • US 6,271,261 B1
  • Filed: 12/17/1998
  • Issued: 08/07/2001
  • Est. Priority Date: 06/27/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of treating a chemokine mediated disease state, wherein the chemokine binds to an IL-8 α

  • or β

    receptor in a mammal, which comprises administering to said mammal an effective amount of a compound of the formula;

    wherein X is oxygen or sulfur;

    R is hydroxy, carboxylic acid, thiol, SR2, OR2, —

    NH—

    C(O)Ra, —

    C(O)NR6R7, —

    NHS(O)2Rb, —

    S(O)2NHRc, NHC(X2)NHRb, or tetrazolyl;

    wherein R2 is a substituted aryl, heteroaryl, or heterocyclic ring which ring contains the functional moiety providing the ionizable hydrogen having a pKa of 10 or less;

    Ra is an alkyl, aryl, aryl C1-4alkyl, heteroaryl, heteroaryl C1-4alkyl, heterocyclic, or a heterocyclic C1-4alkyl moiety, all of which may be optionally substituted;

    Rb is a NR6R7, alkyl, aryl, arylC1-4alkyl, arylC2-4alkenyl, heteroaryl, heteroarylC1-4alkyl, heteroarylC2-4 alkenyl, heterocyclic, heterocyclic C1-4alkyl, heterocyclic C2-4alkenyl moiety, camphor, all of which may be optionally substituted one to three times independently by halogen;

    nitro;

    halosubstituted C1-4 alkyl;

    C1-4 alkyl;

    C1-4 alkoxy;

    NR9C(O)Ra;

    C(O)NR6R7, S(O)3H, or C(O)OC1-4 alkyl;

    R9 is hydrogen or a C1-4 alkyl;

    Rc is alkyl, aryl, arylC1-4alkyl, arylC2-4alkenyl, heteroaryl, heteroarylC1-4alkyl, heteroarylC2-4alkenyl, heterocyclic, heterocyclic C1-4alkyl, or a heterocyclic C2-4alkenyl moiety, all of which may be optionally substituted one to three times independently by halogen, nitro, halosubstituted C1-4 alkyl, C1-4 alkyl, C1-4 alkoxy, NR9C(O)Ra, C(O)NR6R7, S(O)3H, or C(O)OC1-4 alkyl; and

    X2 is oxygen or sulfur;

    R1 is independently selected from hydrogen;

    halogen;

    nitro;

    cyano;

    halosubstituted C1-10 alkyl;

    C1-10 alkyl;

    C2-10 alkenyl;

    C1-10 alkoxy;

    halosubstituted C1-10 alkoxy;

    azide;

    (CR8R8)q S(O)tR4;

    hydroxy;

    hydroxy C1-4alkyl;

    aryl;

    aryl C1-4 alkyl;

    aryloxy;

    aryl C1-4 alkyloxy;

    heteroaryl;

    heteroarylalkyl;

    heterocyclic, heterocyclic C1-4alkyl;

    heteroaryl C1-4 alkyloxy;

    aryl C2-10 alkenyl;

    heteroaryl C2-10 alkenyl;

    heterocyclic C2-10 alkenyl;

    (CR8R8)qNR4R5;

    C2-10 alkenyl C(O)NR4R5;

    (CR8R8)q C(O)NR4R5;

    (CR8R8)q C(O)NR4R10;

    S(O)3H;

    S(O)3R8;

    (CR8R8)q C(O)R11;

    C2-10 alkenyl C(O)R11;

    C2-10 alkenyl C(O)OR11(CR8R8)q C(O)OR12;

    (CR8R8)q OC(O) R11;

    (CR8R8)qNR4C(O)R11, (CR8R8)q NHS(O)2R17, (CR8R8)q S(O)2NR4R5;

    or two R1 moieties together may form O—

    (CH2)sO—

    or a 5 to 6 membered unsaturated ring;

    n is an integer having a value of 1 to 3;

    m is an integer having a value of 1 to 3;

    q is 0, or an integer having a value of 1 to 10;

    t is 0, or an integer having a value of 1 or 2;

    s is an integer having a value of 1 to 3;

    v is an integer having a value of 1 to 4;

    R4 and R5 are independently hydrogen, optionally substituted C1-4 alkyl, optionally substituted aryl, optionally substituted aryl C1-4alkyl, optionally substituted heteroaryl, optionally substituted heteroaryl C1-4alkyl, heterocyclic, heterocyclicC1-4 alkyl, or R4 and R5 together with the nitrogen to which they are attached form a 5 to 7 member ring which may optionally comprise an additional heteroatom selected from oxygen, nitrogen or sulfur;

    R6 and R7 are independently hydrogen or a C1-4 alkyl group, or R6 and R7 together with the nitrogen to which they are attached form a 5 to 7 member ring which ring may optionally contain an additional heteroatom which heteroatom is selected from oxygen, nitrogen or sulfur;

    Y is independently selected from hydrogen;

    halogen;

    nitro;

    cyano;

    halosubstituted C1-10 alkyl;

    C1-10 alkyl;

    C2-10 alkenyl;

    C1-10 alkoxy;

    halosubstituted C1-10 alkoxy;

    azide;

    S(O)tR4;

    hydroxy;

    hydroxyC1-4alkyl;

    aryl;

    aryl C1-4 alkyl;

    aryloxy;

    arylC1-4 alkyloxy;

    heteroaryl;

    heteroarylalkyl;

    heteroaryl C1-4 alkyloxy;

    heterocyclic, heterocyclic C1-4alkyl;

    aryl C2-10 alkenyl;

    heteroaryl C2-10 alkenyl;

    heterocyclic C2-10 alkenyl;

    NR4R5;

    C2-10 alkenyl C(O)NR4R5;

    C(O)NR4R5;

    C(O)NR4R10;

    S(O)3H;

    S(O)3R8;

    C1-10 alkyl C(O)R11;

    C2-10 alkenyl C(O)R11;

    C2-10 alkenyl C(O)OR11;

    C(O)R11;

    C(O)OR12;

    OC(O) R11;

    NR4C(O)R11;

    or two Y moieties together may form O—

    (CH2)sO—

    or a 5 to 6 membered unsaturated ring;

    R8 is hydrogen or C1-4 alkyl;

    R10 is C1-10 alkyl C(O)2R8;

    R11 is hydrogen, C1-4 alkyl, optionally substituted aryl, optionally substituted aryl C1-4alkyl, optionally substituted heteroaryl, optionally substituted heteroarylC1-4alkyl, optionally substituted heterocyclic, or optionally substituted heterocyclicC1-4alkyl;

    R12 is hydrogen, C1-10 alkyl, optionally substituted aryl or optionally substituted arylalkyl;

    R13 and R14 are independently hydrogen, optionally substituted C1-4 alkyl or one of R13 and R14 may be optionally substituted aryl;

    R17 is C1-4alkyl, aryl, arylalkyl, heteroaryl, heteroarylC1-4alkyl, heterocyclic, or heterocyclicC1-4alkyl, wherein the aryl, heteroaryl and heterocyclic rings may all be optionally substituted;

    Rd is NR6R7, alkyl, arylC1-4alklyl, arylC2-4 alkenyl, heteroaryl, hetroaryl-C1-4alkyl, heteroarylC2-4 alkenyl, heterocyclic, heterocyclicC1-4 alkyl, wherein the aryl, heteoaryl and heterocyclic rings may all be optionally substituted;

    provided that R1 is not 3-phenyl, or 4-isopropyl, or 5-phenyl or 5-ethylsulfonyl, when R is OH, v is 1, R13 and R14 are hydrogen, and Y is hydrogen;

    or a pharmaceutically acceptable salt thereof.

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