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US20130345199A1 - 1-[m-carboxamido(hetero)aryl-methyl]-piperidine-4-carboxamide derivatives - Google Patents

1-[m-carboxamido(hetero)aryl-methyl]-piperidine-4-carboxamide derivatives Download PDF

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US20130345199A1
US20130345199A1 US13/923,981 US201313923981A US2013345199A1 US 20130345199 A1 US20130345199 A1 US 20130345199A1 US 201313923981 A US201313923981 A US 201313923981A US 2013345199 A1 US2013345199 A1 US 2013345199A1
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Prior art keywords
carboxylic acid
phenyl
piperidine
benzyl
piperidin
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Inventor
Heinz Fretz
Markus Gude
Philippe Guerry
Thierry Kimmerlin
Francois Lehembre
Thomas Pfeifer
Anja Valdenaire
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Actelion Pharmaceuticals Ltd
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Actelion Pharmaceuticals Ltd
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Assigned to ACTELION PHARMACEUTICALS LTD. reassignment ACTELION PHARMACEUTICALS LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GUDE, MARKUS, LEHEMBRE, Francois, FRETZ, HEINZ, GUERRY, PHILIPPE, KIMMERLIN, THIERRY, PFEIFER, THOMAS, VALDENAIRE, ANJA
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D211/60—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D211/62—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals attached in position 4
    • C07D211/66—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals attached in position 4 having a hetero atom as the second substituent in position 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
    • A61K31/4545—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D211/60—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D211/62—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals attached in position 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
    • C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
    • C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/08—Bridged systems

Definitions

  • the present invention relates to novel 1-[m-carboxamido(hetero)aryl-methyl]-piperidine-4-carboxamide derivatives of formula (I) and their use as pharmaceuticals.
  • the invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more compounds of formula (I), and their use as CXCR7 receptor modulators.
  • Chemokine receptors are a group of G-protein coupled receptors (GPCRs) that bind peptidic chemokine ligands with high affinity.
  • GPCRs G-protein coupled receptors
  • the predominant function of chemokine receptors is to guide leukocyte trafficking to lymphoid organs and tissues under resting conditions as well as during inflammation, but a role for certain chemokine receptors on non-hematopoietic cells and their progenitors has also been recognized.
  • CXCL12 alias stromal cell-derived factor 1, SDF-1; alias Pre-B cell growth stimulating factor, PB SF
  • PB SF Pre-B cell growth stimulating factor
  • CXCL12 binds and activates two receptors, CXCR7 (alias RDC1, alias CMKOR1, alias GPR159) and CXCR4 (alias Fusin, alias Leukocyte-derived seven-transmembrane-domain receptor; LESTR, alias D2S201E, alias seven-transmembrane-segment receptor, alias HM89, alias lipopolysaccharide-associated protein 3; lap3, alias LPS-associated protein 3).
  • CXCR7 alias RDC1, alias CMKOR1, alias GPR159
  • CXCR4 alias Fusin, alias Leukocyte-derived seven-transmembrane-domain receptor
  • LESTR alias D2S201E, alias seven-transmembrane-segment receptor
  • alias HM89 alias lipopolysaccharide-associated protein 3
  • CXCL12 receptor CXCR7 correlates with diseases progression in cancer (among others in hormone refractory prostate cancer, in renal cell carcinoma, bladder cancer, Ewing's sarcoma, colorectal cancers, lung cancer, meningiomas, in tumors in the brain, as well as in cervical cancer, papillary thyroid carcinoma, and MALT lymphoma).
  • CXCR7 is also expressed in hepatocellular carcinoma, gallbladder cancers, alveolar rhabdomyosarcoma, oral cancers, pancreas cancer, as well as in breast cancer, osteosarcoma, leukemia, myeloma, and non-small cell lung cancer (for review see Sun et al.; CXCL12/CXCR4/CXCR7Chemokine Axis and Cancer Progression; Cancer Metastasis Rev. 2010, 29(4), 709-722).
  • CXCR7 silencing and targeting have been shown to reduce tumor growth in experimental disease models [Wang et al.; The role of CXCR7/RDC1 as a chemokine Receptor for CXCL12/SDF-1 in prostate cancer; Journal of Biochemical Chemistry 2008, 293(7), 4283-4294; Ebsworth et al.; The effect of the CXCR7 inhibitor CCX662 on survival in the ENU rat model of gliobastoma; J Clin Oncol 2012, 30, (suppl; abstr e13580); Zheng et al.; Chemokine receptor CXCR7 regulates the invasion, angiogenesis and tumor growth of human hepatocellular carcinoma cells; Journal of Experimental and Clinical Cancer Research.
  • CXCL12 depletion sensitizes cancer cells to chemotherapy in vivo and CXCL12 treatment blocks colonic carcinoma metastasis.
  • CXCR7 is also a receptor for CXCL11 (alias small inducible cytokine subfamily b, member 11; scyb11, alias interferon-gamma-inducible protein 9; ip9, alias small inducible cytokine subfamily b, member 9b; scyb9b) and therefore modulators of CXCR7 activity can also be used in indications with CXCL11-associated pathology.
  • CXCR7 has also been shown to function as a scavenger receptor for CXCL12.
  • CXCR7 targeting has been shown to alter CXCL12 local concentration leading to a deregulation of the CXCL12 concentration gradient.
  • the biological properties of CXCR7 modulators thus include, but are not limited to, any physiological function and/or cellular function linked controlled by CXCL12 (Duda et al.; CXCL12 (SDF1alpha)-CXCR4/CXCR7 pathway inhibition: an emerging sensitizer for anticancer therapies?; Clin. Cancer Res. 2011 17(8) 2074-2080; Naumann et al.; CXCR7 function as a scavenger for CXCL12 and CXCL11; Plos One 2010, 5(2)e9175).
  • WO2009/076404 discloses certain carboxamide compounds comprising a bicyclic ring, which are antagonists of the chemokine CCR2 receptor.
  • Ar 1 represents a phenylene group or a 5- or 6-membered heteroarylene group, wherein the —CHR 4 — group and the —NH—CO—X—R 3 group are attached in meta arrangement to ring carbon atoms of Ar 1 ; wherein said phenylene or 5- or 6-membered heteroarylene independently is unsubstituted or mono-substituted, wherein the substituent is selected from the group consisting of (C 1-4 )alkyl, (C 1-4 )alkoxy, halogen, (C 1-3 )fluoroalkyl, and (C 1-3 )fluoroalkoxy; (notably (C 1-4 )alkyl, (C 1-4 )alkoxy, and halogen); X represents a
  • the compounds of formula (I) may contain one or more stereogenic or asymmetric centers, such as one or more asymmetric carbon atoms.
  • the compounds of formula (I) may thus be present as mixtures of stereoisomers or preferably as pure stereoisomers. Mixtures of stereoisomers may be separated in a manner known to a person skilled in the art.
  • the present invention also includes isotopically labelled, especially 2 H (deuterium) labelled compounds of formula (I) according to embodiments 1) to 21), which compounds are identical to the compounds of formula (I) except that one or more atoms have each been replaced by an atom having the same atomic number but an atomic mass different from the atomic mass usually found in nature.
  • Isotopically labelled, especially 2 H (deuterium) labelled compounds of formula (I) and salts thereof are within the scope of the present invention. Substitution of hydrogen with the heavier isotope 2 H (deuterium) may lead to greater metabolic stability, resulting e.g. in increased in-vivo half-life or reduced dosage requirements, or may lead to reduced inhibition of cytochrome P450 enzymes, resulting e.g.
  • the compounds of formula (I) are not isotopically labelled, or they are labelled only with one or more deuterium atoms. In a sub-embodiment, the compounds of formula (I) are not isotopically labelled at all. Isotopically labelled compounds of formula (I) may be prepared in analogy to the methods described hereinafter, but using the appropriate isotopic variation of suitable reagents or starting materials. A particular group suitable for deuterium labelling is the group —CHR 4 — representing, in labelled form, —CD 2 -.
  • pharmaceutically acceptable salts refers to non-toxic, inorg. or organic acid and/or base addition salts. Reference can be made to “Salt selection for basic drugs”, Int. J. Pharm . (1986), 33, 201-217.
  • halogen means fluorine, chlorine, or bromine, preferably fluorine or chlorine.
  • alkyl refers to a saturated straight or branched chain alkyl group containing one to six (especially one to four) carbon atoms.
  • (C x-y )alkyl refers to an alkyl group as defined before, containing x to y carbon atoms.
  • a (C 1-4 )alkyl group contains from one to four carbon atoms.
  • alkyl groups are methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec.-butyl and tert.-butyl. Preferred are methyl and ethyl. Most preferred is methyl.
  • Particular examples of (C 2-6 )alkyl groups as used for R 3 are isopropyl, and 2,2-dimethylpropyl.
  • Particular examples of (C 1-6 )alkyl groups as used for R 1 are methyl, ethyl, n-propyl, n-butyl, n-pentyl, n-hexyl, isopropyl, tert.-butyl, 1-methylpropyl, 2-methylpropyl, 1-ethylpropyl, 3-methylbutyl, 1,1-dimethylpropyl, 2,2-dimethylpropyl, and 3,3-dimethylbutyl (preferred are tert.-butyl, n-butyl, 1-methylpropyl, and 1,1-dimethylpropyl; especially tert.-butyl, and 1,1-dimethylpropyl).
  • -(C 1-4 )alkylene- refers to bivalently bound alkyl group as defined before containing one to four carbon atoms.
  • the points of attachment of any bivalently bound alkyl group are in 1,1-diyl, or in 1,2-diyl arrangement.
  • examples of “—(C 1-4 )alkylene- groups are methylene, ethylene, ethane-1,1-diyl, propane-2,2-diyl, 2-methyl-propan-1,1-diyl.
  • An example of such group mono-substituted with hydroxy is —CH(OH)—.
  • Examples of (C 1-6 )alkyl groups mono-substituted with (C 1-4 )alkoxy as used for R 1 are 2-methoxy-ethyl, 2-methoxy-propyl, and 2-methoxy-1-methyl-ethyl.
  • Examples of (C 1-6 )alkyl groups mono-substituted with hydroxy as used for R 1 are 1-hydroxymethyl-propyl, 2-hydroxy-1,1-dimethyl-ethyl, 1-hydroxymethyl-2-methyl-propyl, and 1-hydroxymethyl-2,2-dimethyl-propyl.
  • alkoxy refers to an alkyl-O— group wherein the alkyl group is as defined before.
  • (C x-y )alkoxy (x and y each being an integer) refers to an alkoxy group as defined before containing x to y carbon atoms.
  • a (C 1-4 )alkoxy group means a group of the formula (C 1-4 )alkyl-O— in which the term “(C 1-4 )alkyl” has the previously given significance.
  • alkoxy groups are methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec.-butoxy and tert.-butoxy. Preferred are ethoxy and especially methoxy.
  • fluoroalkyl refers to an alkyl group as defined before containing one to three carbon atoms in which one or more (and possibly all) hydrogen atoms have been replaced with fluorine.
  • (C x-y )fluoroalkyl (x and y each being an integer) refers to a fluoroalkyl group as defined before containing x to y carbon atoms.
  • a (C 1-3 )fluoroalkyl group contains from one to three carbon atoms in which one to seven hydrogen atoms have been replaced with fluorine.
  • fluoroalkyl groups include trifluoromethyl, 2-fluoroethyl, 2,2-difluoroethyl and 2,2,2-trifluoroethyl.
  • An example of a (C 2-3 )fluoroalkyl group as used for R 1 is 2,2,2-trifluoroethyl.
  • fluoroalkoxy refers to an alkoxy group as defined before containing one to three carbon atoms in which one or more (and possibly all) hydrogen atoms have been replaced with fluorine.
  • (C x-y )fluoroalkoxy (x and y each being an integer) refers to a fluoroalkoxy group as defined before containing x to y carbon atoms.
  • a (C 1-3 )fluoroalkoxy group contains from one to three carbon atoms in which one to seven hydrogen atoms have been replaced with fluorine.
  • fluoroalkoxy groups include trifluoromethoxy, difluoromethoxy, 2-fluoroethoxy, 2,2-difluoroethoxy and 2,2,2-trifluoroethoxy.
  • Preferred are (C 1 )fluoroalkoxy groups such as trifluoromethoxy and difluoromethoxy.
  • cyano refers to a group —CN.
  • cycloalkyl refers to a saturated mono- or bicyclic carbocyclic ring containing three to eight carbon atoms.
  • (C x-y )cycloalkyl refers to a cycloalkyl group as defined before containing x to y carbon atoms.
  • a (C 3-8 )cycloalkyl group contains from three to eight carbon atoms.
  • Examples of cycloalkyl groups are cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, and cycloheptyl. Preferred are cyclopropyl, cyclopentyl and cyclohexyl.
  • (C 3-8 )cycloalkyl wherein the cycloalkyl may optionally contain a ring oxygen atom
  • one ring carbon atom of said cycloalkyl may be replaced by an oxygen atom.
  • substituent R 3 such groups are unsubstituted or may be substituted with up to four methyl groups.
  • Examples are the unsubstituted cycloalkyl groups cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptanyl, and bicyclo[2,2,1]heptan-2-yl; the substituted cycloalkyl groups 2,2-dimethylcyclopropyl, 2,2,3,3-tetramethylcyclopropyl; as well as tetrahydrofuranyl and tetrahydropyranyl.
  • substituent R 1 (C 3-8 )cycloalkyl groups are unsubstituted or may be mono- or di-substituted wherein the substituents are independently selected from the group consisting of (C 1-4 )alkyl, fluoro, hydroxy-methyl, hydroxy, or cyano.
  • Examples are the unsubstituted cycloalkyl groups cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, and bicyclo[2,2,1]heptan-2-yl; the substituted cycloalkyl groups 1-cyano-cyclopropyl, 1-hydroxymethyl-cyclopentyl, 4-hydroxy-cyclohexyl, 4-methyl-cyclohexyl, 4-tert.butyl-cyclohexyl, 4,4-difluoro-cyclohexyl; as well as tetrahydrofuranyl and tetrahydropyranyl.
  • —(C 3-6 )cycloalkylene- refers to a bivalent cycloalkyl group as defined before.
  • the points of attachment of such bivalently bound cycloalkyl group are in 1,1-diyl, or in 1,2-diyl arrangement.
  • Examples of —(C 3-6 )cycloalkylene- groups as used for X are cyclopropane-1,1-diyl, and cyclopropane-1,2-diyl.
  • (C 3-8 )cycloalkyl-(C 1-3 )alkyl refers to a (C 3-8 )cycloalkyl group as defined before which is linked to the rest of the molecule through a (C 1-3 )alkylene group as defined before.
  • the (C 3-8 )cycloalkyl group part of (C 3-8 )cycloalkyl-(C 1-3 )alkyl is unsubstituted or substituted as explicitly defined.
  • the (C 1-3 )alkyl group is unsubstituted, or may be mono-substituted with hydroxy.
  • An example of such an unsubstituted (C 1-3 )alkyl group is methylene.
  • An example of such (C 1-3 )alkyl group mono-substituted with hydroxy is 2-hydroxy-ethane-1,1-diyl.
  • aryl used alone or in combination, means phenyl or naphthyl.
  • aryl groups are unsubstituted or substituted as explicitly defined.
  • substituent R 3 representing aryl
  • the term means phenyl or naphthyl, especially phenyl.
  • the aryl group as used for the substituent R 3 is unsubstituted, or mono-, di-, or tri-substituted, wherein the substituents are independently selected from the group consisting of (C 1-4 )alkyl; (C 1-4 )alkoxy; (C 1-3 )fluoroalkyl; (C 1-3 )fluoroalkoxy; halogen; cyano, (C 3-6 )cycloalkyl; —NR 6 R 7 , wherein R 6 and R 7 independently represent hydrogen or (C 1-3 )alkyl, or, R 6 and R 7 together with the nitrogen atom to which they are attached to form a 5- or 6-membered ring selected from pyrrolidinyl, morpholinyl, piperidinyl and piperazinyl, optionally substituted at the vacant nitrogen atom with (C 1-4 )
  • R 3 representing aryl (especially for X being a direct bond) are phenyl, 1-naphthyl, 2-naphthyl, 4-chlorophenyl, 3-chlorophenyl, 2-chlorophenyl, 4-fluorophenyl, 3-fluorophenyl, 2-fluorophenyl, 4-methylphenyl, 3-methylphenyl, 2-methylphenyl, 4-ethylphenyl, 3-chloro-2-methyl-phenyl, 4-chloro-2-methyl-phenyl, 3-fluoro-5-methyl-phenyl, 3-fluoro-2-methyl-phenyl, 2-fluoro-4-methyl-phenyl, 2-fluoro-5-methyl-phenyl, 4-fluoro-2-methyl-phenyl, 4-fluoro-3-methyl-phenyl, 3,5-dimethylphenyl, 2,6-dimethylphenyl, 2,5-dimethylphenyl, 2,4-dimethylphenyl, 2,3
  • R 3 representing aryl (especially for X being an optionally substituted —(C 1-4 )alkylene-) are phenyl, 2-naphthyl, 2-chlorophenyl, 2,3-dichlorophenyl, 2,4-dichlorophenyl, 2,6-dichlorophenyl, 2-chloro-4-fluorophenyl, 2-chloro-6-fluorophenyl, 2,3-dichloro-6-fluorophenyl, 2,4-dichloro-5-fluorophenyl, 2-chloro-3,6-difluorophenyl, 2-methoxyphenyl, 3-methoxyphenyl, 4-methoxyphenyl, 3-trifluoromethylphenyl, 2-chloro-3-trifluoromethylphenyl, 2,3-dichloro-6-trifluoromethylphenyl, and 2,6-dichloro-3-trifluoromethylphen
  • phenylene groups as used for the group Ar 1 are 4-fluoro-1,3-phenylene, 1,3-phenylene, 2-chloro-1,3-phenylene, 4-chloro-1,3-phenylene, 6-chloro-1,3-phenylene, 2-methyl-1,3-phenylene, 4-methyl-1,3-phenylene, 5-methyl-1,3-phenylene, 6-methyl-1,3-phenylene, 2-methoxy-1,3-phenylene, 4-methoxy-1,3-phenylene, 5-methoxy-1,3-phenylene, and 6-methoxy-1,3-phenylene; wherein in the above groups the —NH—CO— group is attached in position 1.
  • aryl-(C 1-4 )alkyl- refers to an aryl group as defined before which is linked to the rest of the molecule through a (C 1-4 )alkylene group as defined before (especially through a methylene or ethylene group).
  • the aryl group part of aryl-(C 1-4 )alkyl- is unsubstituted or substituted as explicitly defined.
  • substituent R 1 such aryl group is unsubstituted, mono-, or di-substituted, wherein the substituents are independently selected from the group consisting of (C 1-4 )alkyl, (C 1-4 )alkoxy, halogen, cyano, (C 1-3 ) fluoroalkyl, and (C 1-3 )fluoroalkoxy (especially (C 1-4 )alkyl, (C 1-4 )alkoxy, halogen, and (C 1-3 )fluoroalkyl).
  • Examples are phenyl, 1-naphthyl, 4-chlorophenyl, 3-chlorophenyl, 2-chlorophenyl, 2-methoxyphenyl, 3-methoxyphenyl, and 4-methoxyphenyl.
  • heteroaryl used alone or in combination, means a 5- to 10-membered monocyclic or bicyclic aromatic ring containing one to a maximum of four heteroatoms, each independently selected from oxygen, nitrogen and sulfur.
  • heteroaryl groups are furanyl, oxazolyl, isoxazolyl, oxadiazolyl, thiophenyl, thiazolyl, isothiazolyl, thiadiazolyl, pyrrolyl, imidazolyl, pyrazolyl, triazolyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, indolyl, isoindolyl, benzofuranyl, isobenzofuranyl, benzothiophenyl, indazolyl, benzimidazolyl, benzoxazolyl, benzisoxazolyl, benzothiazolyl, benzoisothiazolyl, benzo
  • R 3 represents “heteroaryl”
  • the term means the above-mentioned groups.
  • the term especially refers to thiophenyl, thiazolyl, imidazolyl, pyrazolyl, pyrrolyl, isoxazolyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, benzofuranyl, indazolyl, indolyl, pyrrolopyridinyl (notably pyrrolo[3,2-b]pyridinyl, pyrrolo[2,3-b]pyridinyl), quinoxalinyl, naphthyridinyl, quinolinyl, isoquinolinyl, and pyrazolo[3,4-b]pyridinyl.
  • the above-mentioned heteroaryl groups as used for the substitutent R 3 are unsubstituted or substituted as explicitly defined.
  • the above-mentioned heteroaryl groups are unsubstituted, or mono-, di-, or tri-substituted (especially unsubstituted, or mono-, or di-substituted), wherein the substituents are independently selected from the group consisting of (C 1-4 )alkyl; (C 1-4 )alkoxy; (C 1-3 )fluoroalkyl; (C 1-3 )fluoroalkoxy; halogen; and cyano.
  • substituents are selected from the group consisting of (C 1-4 )alkyl; (C 1-4 )alkoxy; (C 1-3 )fluoroalkyl; halogen; and cyano.
  • the substituents are selected from the group consisting of (C 1-4 )alkyl and halogen.
  • Pyridine groups part of heteroaryl as used for the substitutent R 3 may in addition be present in form of the respective N-oxides.
  • R 3 representing heteroaryl (especially for X being a direct bond) are thiophen-2-yl, thiophen-3-yl, 5-methyl-thiophen-2-yl, 5-chloro-thiophen-2-yl, 5-tert.butyl-thiophen-2-yl, 4-isobutyl-5-methyl-thiophen-2-yl, 2-(pyrrolidin-1-yl)-thiazol-5-yl, imidazol-2-yl, imidazol-4-yl, 1-methyl-1H-imidazol-4-yl, pyrazol-4-yl, 5-isobutyl-2-methyl-2H-pyrazol-3-yl, pyrrol-2-yl, isoxazol-5-yl, 5-methyl-isoxazol-3-yl, pyridin-2-yl, pyridin-3-yl, pyridin-4-yl, 5-fluoro-pyridin-2-yl, 5-fluoro-pyridin
  • 5- or 6-membered heteroaryl-(C 1-4 )alkyl- refers to an 5- or 6-membered heteroaryl group as defined before which is linked to the rest of the molecule through a (C 1-4 )alkylene group as defined before (especially through a methylene or ethylene group).
  • the 5- or 6-membered heteroaryl group part of 5- or 6-membered heteroaryl-(C 1-4 )alkyl- is unsubstituted or substituted as explicitly defined.
  • substituent R 1 such 5- or 6-membered heteroaryl group is unsubstituted, mono-, or di-substituted, wherein the substituents are independently selected from the group consisting of (C 1-4 )alkyl, (C 1-4 )alkoxy, halogen, cyano, (C 1-3 )fluoroalkyl, and (C 1-3 )fluoroalkoxy.
  • substituents are independently selected from the group consisting of (C 1-4 )alkyl, (C 1-4 )alkoxy, halogen, cyano, (C 1-3 )fluoroalkyl, and (C 1-3 )fluoroalkoxy.
  • Examples are pyridine-2-yl, pyridine-3-yl, pyridine-4-yl, thiazol-2-yl, and 5-methyl-2-trifluoromethyl-furan-3-yl.
  • heteroarylene group refers to a bivalent 5- or 6-membered heteroaryl group as defined before; wherein the —CHR 4 — group and the —NH—CO—X—R 3 group are attached in meta arrangement (or in other words: in a 1,3-arrangement) to ring carbon atoms of such groups.
  • Examples of such 5- or 6-membered heteroarylene groups are furane-diyl, oxazole-diyl, isoxazole-diyl, oxadiazole-diyl, thiophene-diyl, thiazole-diyl, isothiazole-diyl, thiadiazole-diyl, pyrrole-diyl, imidazole-diyl, pyrazole-diyl, [1,2,4]-triazole-diyl, pyridine-diyl, pyrimidine-diyl, pyridazine-diyl, and pyrazine-diyl.
  • examples are thiazole-diyl (notably thiazole-2,4-diyl), thiophene-diyl (notably thiophene-2,4-diyl), pyridine-diyl (notably pyridine-2,4-diyl, pyridine-3,5-diyl), and pyrimidine-diyl (notably pyrimidine-2,4-diyl, pyrimidine-4,6-diyl).
  • thiazole-diyl notably thiazole-2,4-diyl
  • thiophene-diyl notably thiophene-2,4-diyl
  • pyridine-diyl notably pyridine-2,4-diyl, pyridine-3,5-diyl
  • pyrimidine-diyl notably pyrimidine-2,4-diyl, pyrimidine-4,6-diyl
  • R 1 and R 2 together with the nitrogen atom to which they are attached to represent an azetidine, pyrrolidine, piperidine, morpholine, or azepane ring, wherein said rings independently are unsubstituted, or substituted as explicitly defined, examples of such groups are pyrrolidine, 2-methyl-pyrrolidine, 3-fluoro-pyrrolidine, 3,3-difluoro-pyrrolidine, 3,3-dimethyl-pyrrolidine, 2,2-dimethyl-pyrrolidine, 2,5-dimethyl-pyrrolidine, piperidine, 4,4-difluoro-piperidine, and azepane.
  • 1,2,3,4-tetrahydronaphthalenyl or indanyl groups which are attached to the rest of the molecule through a carbon atom that is part of the non-aromatic ring, are indan-1-yl, indan-2-yl, and 1,2,3,4-tetrahydronaphthalen-1-yl.
  • Examples of partially aromatic bicyclic ring systems consisting of a phenyl ring which is fused to a 4- to 6-membered saturated carbocyclic ring optionally containing one or two heteroatoms independently selected from nitrogen and oxygen; wherein said ring system is optionally mono-, or di-substituted with (C 1-4 )alkyl or halogen, are especially unsubstituted or mono-substituted with halogen.
  • Examples are the carbocyclic ring systems bicyclo[4.2.0]octa-1(6),2,4-triene-7-yl, indane-1-yl; as well as the heterocyclic ring systems 2,3-dihydro-1H-indole-3-yl, 2,3-dihydro-benzofuran-3-yl, and 7-chloro-2,3-dihydro-benzofuran-4-yl.
  • a second embodiment relates to compounds according to embodiment 1), wherein Ar 1 represents a phenylene group or a 5- or 6-membered heteroarylene group, wherein the —CHR 4 — group and the —NH—CO—X—R 3 group are attached in meta arrangement to ring carbon atoms of Ar 1 ; wherein said phenylene is unsubstituted or mono-substituted, wherein the substituent is selected from the group consisting of (C 1-4 )alkyl, (C 1-4 )alkoxy, halogen, (C 1-3 )fluoroalkyl, and (C 1-3 )fluoroalkoxy (notably (C 1-4 )alkyl, (C 1-4 )alkoxy, and halogen); and said 5- or 6-membered heteroarylene independently is unsubstituted.
  • Ar 1 represents a phenylene group or a 5- or 6-membered heteroarylene group, wherein the —CHR 4 — group and the —NH
  • said 5- or 6-membered heteroarylene is selected from the group consisting of thiazole-diyl (notably thiazole-2,4-diyl), thiophene-diyl (notably thiophene-2,4-diyl), pyridine-diyl (notably pyridine-2,4-diyl, pyridine-3,5-diyl), and pyrimidine-diyl (notably pyrimidine-2,4-diyl).
  • thiazole-diyl notably thiazole-2,4-diyl
  • thiophene-diyl notably thiophene-2,4-diyl
  • pyridine-diyl notably pyridine-2,4-diyl, pyridine-3,5-diyl
  • pyrimidine-diyl notably pyrimidine-2,4-diyl
  • Ar 1 represents a phenylene group, wherein the —CHR 4 — group and the —NH—CO—X—R 3 group are attached in meta arrangement to ring carbon atoms of Ar 1 ; wherein said phenylene is unsubstituted or mono-substituted, wherein the substituent is selected from the group consisting of (C 1-4 )alkyl, (C 1-4 )alkoxy, halogen, (C 1-3 )fluoroalkyl, and (C 1-3 )fluoroalkoxy (notably (C 1-4 ) alkyl, (C 1-4 )alkoxy, and halogen).
  • Another embodiment relates to compounds according to embodiment 1), wherein Ar 1 represents an unsubstituted 5- or 6-membered heteroarylene group, wherein the —CHR 4 — group and the —NH—CO—X—R 3 group are attached in meta arrangement to ring carbon atoms of Ar 1 .
  • said 5- or 6-membered heteroarylene is selected from the group consisting of thiazole-diyl (notably thiazole-2,4-diyl), thiophene-diyl (notably thiophene-2,4-diyl), pyridine-diyl (notably pyridine-2,4-diyl, pyridine-3,5-diyl), and pyrimidine-diyl (notably pyrimidine-2,4-diyl).
  • thiazole-diyl notably thiazole-2,4-diyl
  • thiophene-diyl notably thiophene-2,4-diyl
  • pyridine-diyl notably pyridine-2,4-diyl, pyridine-3,5-diyl
  • pyrimidine-diyl notably pyrimidine-2,4-diyl
  • Another embodiment relates to compounds according to any one of embodiments 1) to 4), wherein
  • Another embodiment relates to compounds according to any one of embodiments 1) to 4), wherein
  • Another embodiment relates to compounds according to any one of embodiments 1) to 4), wherein
  • Another embodiment relates to compounds according to any one of embodiments 1) to 7), wherein X represents a direct bond or methylene (especially a direct bond).
  • Another embodiment relates to compounds according to any one of embodiments 1) to 7), wherein X represents methylene; ethylene; ethane-1,1-diyl; propane-2,2-diyl; or cyclopropylene (especially methylene).
  • Another embodiment relates to compounds according to any one of embodiments 1) to 9), wherein
  • Another embodiment relates to compounds according to any one of embodiments 1) to 9), wherein R 1 and R 2 together with the nitrogen atom to which they are attached to represent an azetidine, pyrrolidine, piperidine, morpholine, or azepane ring, wherein said rings independently are unsubstituted, or mono- or di-substituted, wherein the substituents are independently selected from the group consisting of fluorine and methyl.
  • Another embodiment relates to compounds according to any one of embodiments 1) to 9), wherein R 1 and R 2 together with the nitrogen atom to which they are attached to represent pyrrolidine, 2-methyl-pyrrolidine, 3-fluoro-pyrrolidine, 3,3-difluoro-pyrrolidine, 3,3-dimethyl-pyrrolidine, 2,2-dimethyl-pyrrolidine, 2,5-dimethyl-pyrrolidine, piperidine, 4,4-difluoro-piperidine, or azepane.
  • Another embodiment relates to compounds according to any one of embodiments 1) to 15), wherein R 4 represents hydrogen or methyl (especially hydrogen).
  • Another embodiment relates to compounds according to any one of the embodiments 1) to 16) wherein R 5 represents hydrogen, methyl, or fluorine (especially hydrogen).
  • Another embodiment relates to compounds according to any one of the embodiments 1) to 17) wherein p represents the integer 1.
  • Another embodiment relates to compounds according to any one of the embodiments 1) to 17) wherein p represents the integer 0.
  • Another embodiment relates to compounds according to any one of the embodiments 1) to 17) wherein p represents the integer 2.
  • Another embodiment relates to compounds according to embodiment 1) which are selected from the following compounds:
  • the compounds of formula (I) according to embodiments 1) to 21) and their pharmaceutically acceptable salts can be used as medicaments, e.g. in the form of pharmaceutical compositions for enteral (such especially oral) or parenteral administration (including topical application or inhalation).
  • compositions can be effected in a manner which will be familiar to any person skilled in the art (see for example Remington, The Science and Practice of Pharmacy, 21st Edition (2005), Part 5, “Pharmaceutical Manufacturing” [published by Lippincott Williams & Wilkins]) by bringing the described compounds of formula (I) or their pharmaceutically acceptable salts, optionally in combination with other therapeutically valuable substances, into a galenical administration form together with suitable, non-toxic, inert, therapeutically compatible solid or liquid carrier materials and, if desired, usual pharmaceutical adjuvants.
  • the present invention also relates to a method for the prevention or treatment of a disease or disorder mentioned herein comprising administering to a subject a pharmaceutically active amount of a compound of formula (I) according to embodiments 1) to 21).
  • the administered amount is comprised between 1 mg and 1000 mg per day, particularly between 5 mg and 500 mg per day, more particularly between 25 mg and 400 mg per day, especially between 50 mg and 200 mg per day.
  • the term “about” placed before a numerical value “X” refers in the current application to an interval extending from X minus 10% of X to X plus 10% of X, and preferably to an interval extending from X minus 5% of X to X plus 5% of X.
  • the term “about” placed before a temperature “Y” refers in the current application to an interval extending from the temperature Y minus 10° C. to Y plus 10° C., and preferably to an interval extending from Y minus 5° C. to Y plus 5° C.
  • the compounds of formula (I) according to embodiments 1) to 21) are useful for the prevention or treatment of disorders relating to a dysfunction of the CXCR7 receptor or its ligands, i.e. relating to a dysfunction of the CXCR7 receptor, or dysfunction of ligands signalling through CXCR7, or dysfunction of CXCR7 ligands (CXCL12 and CXCL11) signalling through their other receptors (CXCR4 and CXCR3).
  • Such disorders relating to a dysfunction of the CXCR7 receptor or its ligands may in particular be defined as comprising especially cancer, as well as autoimmune disorders (notably rheumatoid arthritis, multiple sclerosis, inflammatory bowel disease, systemic lupus erythematosus, lupus nephritis, interstitial cystitis, celiac disease), inflammatory diseases (notably asthma, chronic obstructive pulmonary disorder, atherosclerosis, myocarditis, sarcoidosis), transplant rejection, and fibrosis (notably liver cirrhosis).
  • autoimmune disorders notably rheumatoid arthritis, multiple sclerosis, inflammatory bowel disease, systemic lupus erythematosus, lupus nephritis, interstitial cystitis, celiac disease
  • inflammatory diseases notably asthma, chronic obstructive pulmonary disorder, atherosclerosis, myocarditis, sarcoidosis
  • diseases or disorders relating to a dysfunction of the CXCR7 receptor or its ligands are selected from the group consisting of cancer, notably carcinomas, leukemias, adenocarcinomas, gliomas, glioblastoma, brain metastases, multiple myelomas, renal clear cell carcinoma, prostate cancer, pancreatic adenocarcinoma, melanoma, metastatic melanoma, rhabdomyosarcoma, hepatocellular carcinoma, colon tumors, breast cancer, non-small cell lung cancer, oral tumors, gallbladder cancer, brain tumors, Ewing's sarcoma, bladder cancer, meningiomas, lymphoma, viral-induced tumors, Burkitt's lymphoma, Hodgkin's lymphoma, lymphoproliferative disease, and Kaposi's sarcoma; primary intra-ocular B-cell lymphoma; inflammation; multiple sclerosis; renal allografta, a
  • diseases or disorders relating to a dysfunction of the CXCR7 receptor or its ligands are selected from the group consisting of proliferative diabetic retinopathy; West Nile virus encephalitis; acute renal failure; ischemia; vascular injury; inflammatory bowel disease; injured central nervous system; HSCs transplantation; cerebral ischemia; pulmonary hypertension; AIDS; pulmonary fibrosis; angiogenesis; chemotaxis; cell adhesion; trans-endothelial migration; cell proliferation and/or survival; and brain and neuronal dysfunctions, such as inflammatory components of Alzheimer's disease.
  • diseases or disorders relating to a dysfunction of the CXCR7 receptor or its ligands are selected from the group consisting of kidney dysfunction; nasal polyposis; cardiac allograft rejection; cardiac dysfunction; atherosclerosis; asthma; glomerulonephritis; contact dermatitis; inflammatory bowel disease; colitis; psoriasis; and reperfusion injury.
  • Cancer may be defined as comprising all sorts of cancers such as carcinomas, leukemias, adenocarcinomas, gliomas, glioblastoma, brain metastases, multiple myelomas, renal clear cell carcinoma, prostate cancer, pancreatic adenocarcinoma, melanoma, metastatic melanoma, rhabdomyosarcoma, hepatocellular carcinoma, colon tumors, breast cancer, non-small cell lung cancer, oral tumors, colorectal cancer, gallbladder cancer, brain tumors, Ewing's sarcoma, bladder cancer, meningioma's, lymphoma, viral-induced tumors, Burkitt's lymphoma, Hodgkin's lymphoma, adult T-cell leukemia, lymphoproliferative disease, Kaposi's sarcoma, as well as MALT lymphoma, papillary thyroid carcinoma, cervical cancer, and osteosarcoma; primary intra-ocular B-
  • Autoimmune disorders may be defined as comprising rheumatoid arthritis (RA); multiple sclerosis (MS); autoimmune encephalomyelitis; and inflammatory bowel disease (IBD, especially comprising Crohn's disease and ulcerative colitis).
  • RA rheumatoid arthritis
  • MS multiple sclerosis
  • IBD inflammatory bowel disease
  • autoimmune diseases further comprise disorders such as systemic lupus erythematosus (SLE); psoriasis; psoriatic arthritis; lupus nephritis; interstitial cystitis; celiac disease; antiphospholipid syndrome; thyroiditis such as Hashimoto's thyroiditis; lymphocytic thyroiditis; myasthenia gravis; type I diabetes; uveitis; episcleritis; scleritis; Kawasaki's disease; uveo-retinitis; posterior uveitis; uveitis associated with Behcet's disease; uveomeningitis syndrome; allergic encephalomyelitis; atopic diseases such as rhinitis, conjunctivitis, dermatitis; and post-infectious autoimmune diseases including rheumatic fever and post-infectious glomerulonephritis.
  • SLE systemic lupus erythematosus
  • autoimmune disorders include rheumatoid arthritis (RA); multiple sclerosis (MS); and inflammatory bowel disease (comprising Crohn's disease and ulcerative colitis); as well as systemic lupus erythematosus (SLE); lupus nephritis; interstitial cystitis; celiac disease; and type I diabetes.
  • RA rheumatoid arthritis
  • MS multiple sclerosis
  • SLE systemic lupus erythematosus
  • SLE systemic lupus erythematosus
  • interstitial cystitis celiac disease
  • type I diabetes type I diabetes
  • Inflammatory diseases may be defined as comprising especially chronic rhinusitis as well as asthma, chronic obstructive pulmonary disorder (COPD), atherosclerosis, myocarditis, dry eye disease, sarcoidosis, and inflammatory myopathies.
  • COPD chronic obstructive pulmonary disorder
  • Transplant rejection may be defined as comprising rejection of transplanted organs such as kidney, liver, heart, lung, pancreas, cornea, and skin; graft-versus-host diseases brought about by stem cell transplantation; chronic allograft rejection and chronic allograft vasculopathy.
  • Fibrosis may be defined as comprising especially liver cirrhosis, as well as idiopathic pulmonary fibrosis, renal fibrosis, endomyocardial fibrosis, and arthrofibrosis.
  • the compounds of formula (I) can be prepared by the methods given below, by the methods given in the experimental part below or by analogous methods. Optimum reaction conditions may vary with the particular reactants or solvents used, but such conditions can be determined by a person skilled in the art by routine optimisation procedures. In some cases the final product may be further modified, for example, by manipulation of substituents to give a new final product. These manipulations may include, but are not limited to, reduction, oxidation, alkylation, acylation, and hydrolysis reactions which are commonly known to those skilled in the art. In some cases the order of carrying out the following reaction schemes, and/or reaction steps, may be varied to facilitate the reaction or to avoid unwanted reaction products.
  • Compounds of Structure 1 may be prepared by one of the synthetic pathways described below.
  • Compounds of Structure 1 may be prepared by the procedure illustrated in Reaction Scheme A.
  • the ester A-2 can be saponified by treatment with a base like LiOH in a mixture of water/THF or water/MeOH to deliver the acid A-3.
  • Condensation of the acid A-3 with an amine HNR 1 R 2 after activation of the acid with POCl 3 /pyridine or oxalyl chloride in DCM gives the amide A-4
  • the amide A-4 is Boc-deprotected by treatment with 4M HCl in dioxane or with TFA to give the corresponding amine 1.
  • Compounds of Structure 1 may alternatively be prepared as illustrated in Reaction Scheme B.
  • Amidation of acid B-1 with an amine NH—R 1 R 2 in the presence of EDC hydrochloride and DMAP in a solvent like DCM gives the corresponding amide B-2 which can be Boc-deprotected under standard conditions to furnish intermediates of type B-3.
  • Reductive amination of B-3 can be achieved by treatment with a nitro-aldehyde or -ketone in the presence of a reductive reagent like NaBH 4 , NaBH 3 CN, NaBH(OAc) 3 in a solvent like DCM, MeOH or THF.
  • the nitro derivative B-4 can be transformed into compounds of structure 1 by reduction with stannous chloride in an alcohol, preferably MeOH.
  • Intermediate C-1 can be acylated with the corresponding acid chlorides in presence of a base like TEA or DIPEA in DCM or by acylation with the corresponding acid activated with an amide-coupling reagent such as COMU, TBTU, HATU, EDC, DCC or PyBOP and a base like DIPEA or TEA in a solvent such as DCM, MeCN or DMF to deliver the acylated ketal or acetal C-2. Deprotection of the ketal or acetal carried out in the presence of an acid like aq.
  • an amide-coupling reagent such as COMU, TBTU, HATU, EDC, DCC or PyBOP
  • a base like DIPEA or TEA in a solvent such as DCM, MeCN or DMF
  • Condensation of the acid C-5 with an amine HN—R 1 R 2 after activation of the acid with POCl 3 /pyridine or oxalyl chloride in DCM gives the product I.
  • Amidation of the acid C-5 with an amine HNR 1 R 2 can also be done in the presence of an amide-coupling reagent such as TBTU, HATU, COMU, EDC, DCC, si-DCC or PyBOP and a base like DIPEA or TEA in a solvent such as MeCN or DMF to deliver compound of structure 1.
  • Intermediate D-1 can be acylated from the corresponding acid chlorides in presence of a base like TEA or DIPEA in DCM or by acylation with the corresponding acid activated with an amide-coupling reagent such as COMU, TBTU, HATU, EDC, DCC or PyBOP and a base like DIPEA or TEA in a solvent such as DCM, MeCN or DMF to deliver the acylated ketal or acetal D-2.
  • an amide-coupling reagent such as COMU, TBTU, HATU, EDC, DCC or PyBOP and a base like DIPEA or TEA in a solvent such as DCM, MeCN or DMF to deliver the acylated ketal or acetal D-2.
  • a reductive reagent like NaBH 4 , NaBH 3 CN, NaBH(OAc) 3 in a solvent like DCM, MeOH or THF.
  • Condensation of E-2 with a carboxamide of type H 2 NCO—X—R 3 can be accomplished by metal catalysed conditions employing for example copper catalysts in the presence of diamines like N,N′-dimethylethylendiamine, or palladium catalysts in the presence of a strong base like sodium t-butoxyde in toluene, THF or dioxane at temperatures between 60° C. and 110° C. to give final compounds of type I.
  • an amide-coupling reagent such as COMU, TBTU, HATU, EDC, DCC or PyBOP and a base like DIPEA or TEA in a solvent such as DCM, MeCN or DMF.
  • the enantiomers can be separated using methods known to one skilled in the art: e.g. by formation and separation of diastereomeric salts or by HPLC over a chiral stationary phase such as a Regis Whelk-O1(R,R) (10 m) column, a Daicel ChiralCel OD-H (5-10 m) column, or a Daicel ChiralPak IA (10 m), IC (5 m) or AD-H (5 m) column.
  • a chiral stationary phase such as a Regis Whelk-O1(R,R) (10 m) column, a Daicel ChiralCel OD-H (5-10 m) column, or a Daicel ChiralPak IA (10 m), IC (5 m) or AD-H (5 m) column.
  • Typical conditions of chiral HPLC are an isocratic mixture of eluent A (EtOH, in presence or absence of an amine such as triethylamine or diethylamine) and eluent B (heptane), at a flow rate of 0.8 to 150 mL/min.
  • eluent A EtOH, in presence or absence of an amine such as triethylamine or diethylamine
  • eluent B heptane
  • a solution of 6-trifluoromethylpyridine-2-carboxylic acid (19.1 mg, 0.1 mmol) in DMF (0.5 mL) is treated successively with a solution of 1-(3-amino-benzyl)-piperidine-4-carboxylic acid cyclohexylamide BB-1 (36.3 mg, 0.1 mmol) in DMF (0.5 mL) and with POCl 3 (0.01 mL, 01.1 mmol) at RT.
  • the resulting solution is stirred at RT for 30 min and heated at 80° C. for 1 h.
  • the reaction mixture is treated with water (0.2 mL) and evaporated under HV.
  • the title compound is obtained by prep.
  • Piperidine-4-carboxylic acid amides are prepared in analogy to example 3.01a-b.
  • N-(3-(d 2 (hydroxy)methyl)phenyl-5-methylnicotinamide (48.8 mg, 0.2 mmol) is dissolved in DCM (5 mL).
  • Et3N 36.41, 0.26 mmol;
  • methanesulfonyl chloride (20.4 ⁇ l, 0.26 mmol) at 0° C.
  • the mixture is allowed to warm to RT and then stirred for 1 h.
  • the mixture is washed with an aq. Sol. of 5% NaHCO 3 (5 mL).
  • the organic layer is separated, dried over MgSO 4 and evaporated to dryness.
  • the crude methane sulfonate derivative is dissolved in dry DMF (1 mL) and treated with a solution of piperidine-4-carboxylic acid cyclohexylamide hydrochloride (49.3 mg, 0.2 mmol) in DMF (1 mL). DIPEA (43 ⁇ l, 0.25 mmol) is added, and the mixture is stirred at 70° C. overnight.
  • the mixture is diluted with DCM (10 mL) and washed twice with sat.aq. NaHCO 3 (50 mL).
  • the aqueous phase is extracted twice with DCM (2 ⁇ 10 mL).
  • the combined organic layers are dried over MgSO 4 and filtered.
  • the solvent is evaporated under reduced pressure.
  • the CXC112 receptor and CXCR7 agonistic activities of the compounds of formula (I) are determined in accordance with the following experimental method.
  • the assay is using the PathHunterTM CHO-K1 CXCR7 b-arrestin cell line from DiscoverX.
  • the system is based on the Enzyme Fragment Complementation Technology. Two complementing fragments of the b-galactosidase enzyme are expressed within stably transfected cells.
  • the larger portion of b-gal, termed EA for Enzyme Acceptor, is fused to the C-terminus of b-arrestin 2.
  • the smaller fragment, termed ProLinkTM tag is fused to CXCR7 at the C-terminus.
  • b-arrestin Upon activation, b-arrestin is recruited which forces the interaction of ProLink and EA, allowing complementation of the two fragments of b-gal and the formation of a functional enzyme which is capable of hydrolysing the substrate and generating a chemiluminescent signal.
  • CHO-K1 CXCR7 b-arrestin cells are detached from culture dishes with a cell dissociation buffer (Invitrogen, #13151-014) and collected in growing medium (F12HAMS 90% (v/v)/FCS 10% (v/v), Penicilin/streptomycin 1% (v/v)). 5000 cells per well (in 20 ⁇ l) are seeded in a 384 well plate (white-walled, clear bottom; BD Falcon #353274). The plate is incubated at 37° C./5% CO 2 for 24 hours. Medium is then replaced by 20.1 OPTIMEM (Invitrogen #31985) for 3 to 4 hours.
  • Test compounds are dissolved at 10 mM in DMSO and serially diluted in DMSO to 200 ⁇ of the final concentration for dose response curves. Compounds are then diluted 1:33.3 in HBSS1X. 5 ⁇ l/well of HBSS1X/20 mM HEPES/0.2% BSA are added to the assay plate followed by addition of 5 ⁇ l/well of diluted compounds. CXCL12 (Peprotech #300-28A) may be used as a reference agonist. The plate is incubated for 90 minutes at 37° C. 12 ⁇ l of detection reagent (Path Hunter Detection Kit, DiscoveRx, #93-0001) is transferred to the assay plate and to the plate is incubated for 1 hour at room temperature.
  • detection reagent Path Hunter Detection Kit, DiscoveRx, #93-0001
  • Luminescent signal is read in a microplate reader (FLUOstar Optima, bmg).
  • the calculated EC 50 values may fluctuate depending on the daily cellular assay performance. Fluctuations of this kind are known to those skilled in the art. Average EC 50 values from several measurements are given as geometric mean values.
  • Compounds of the present invention may be further characterized with regard to their general pharmacokinetic and pharmacological properties using conventional assays well known in the art such as angiogenesis assays or tumor growth inhibition assays, or for example relating to their bioavailability in different species (such as rat or dog); or for their properties with regard to drug safety and/or toxicological properties using conventional assays well known in the art, for example relating to cytochrome P450 enzyme inhibition and time dependent inhibition, pregnane X receptor (PXR) activation, glutathione binding, or phototoxic behavior.
  • conventional assays well known in the art such as angiogenesis assays or tumor growth inhibition assays, or for example relating to their bioavailability in different species (such as rat or dog); or for their properties with regard to drug safety and/or toxicological properties using conventional assays well known in the art, for example relating to cytochrome P450 enzyme inhibition and time dependent inhibition, pregnane X receptor (PXR) activation, glut

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US9428456B2 (en) 2012-06-22 2016-08-30 Actelion Pharmaceuticals Ltd 1-[m-carboxamido(hetero)aryl-methyl]-heterocyclyl-carboxamide derivatives
US10752620B2 (en) 2016-07-28 2020-08-25 Idorsia Pharmaceuticals Ltd. Piperdine CXCR7 receptor modulators
EP4509494A4 (en) * 2022-04-29 2026-01-07 Univ Tsinghua PLPRO PROTEIN INHIBITOR, ITS PREPARATION PROCESS AND ITS USE

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US11091466B2 (en) 2017-03-17 2021-08-17 Cardio Therapeutics Pty Ltd Heterocyclic inhibitors of PCSK9
HRP20240552T1 (hr) 2018-01-26 2024-07-19 Idorsia Pharmaceuticals Ltd Kristalni oblici antagonista cxcr7 receptora (3s,4s)-1-ciklopropilmetil-4-{[5-(2,4-difluoro-fenil)-izoksazol-3-karbonil]-amino}-piperidin-3-karboksilne kiseline (1-pirimidin-2-il-ciklopropil)-amida
RU2677268C9 (ru) * 2018-06-15 2019-07-23 Общество с ограниченной ответственностью "Научно-исследовательский институт ХимРар", (ООО "НИИ ХимРар") Частичный агонист допаминовых D2/D3 рецепторов - метиламид 4-{ 2-[4-(2,3-дихлорфенил)-пиперазин-1-ил]-этил} -пиперидин-1-карбоновой кислоты, способы его получения (варианты) и применения

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Cited By (5)

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US9428456B2 (en) 2012-06-22 2016-08-30 Actelion Pharmaceuticals Ltd 1-[m-carboxamido(hetero)aryl-methyl]-heterocyclyl-carboxamide derivatives
US9035051B1 (en) * 2013-11-14 2015-05-19 Eli Lilly And Company Ghrelin O-acyl transferase inhibitor
US10752620B2 (en) 2016-07-28 2020-08-25 Idorsia Pharmaceuticals Ltd. Piperdine CXCR7 receptor modulators
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EP4509494A4 (en) * 2022-04-29 2026-01-07 Univ Tsinghua PLPRO PROTEIN INHIBITOR, ITS PREPARATION PROCESS AND ITS USE

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