Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
  • C07D487/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains three hetero rings
  • C07D487/14—Ortho-condensed 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
  • A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
  • A61K31/551—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having two nitrogen atoms, e.g. dilazep
  • A61K31/5513—1,4-Benzodiazepines, e.g. diazepam or clozapine
  • A61K31/5517—1,4-Benzodiazepines, e.g. diazepam or clozapine condensed with five-membered rings having nitrogen as a ring hetero atom, e.g. imidazobenzodiazepines, triazolam
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
  • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
  • A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
• • 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
  • A61P3/00—Drugs for disorders of the metabolism
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P3/00—Drugs for disorders of the metabolism
  • A61P3/04—Anorexiants; Antiobesity agents
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P3/00—Drugs for disorders of the metabolism
  • A61P3/06—Antihyperlipidemics
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P3/00—Drugs for disorders of the metabolism
  • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
  • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
• • 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
  • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00

Definitions

• p38 mitogen activated protein kinase transduces a range of extracellular signals that result in inflammatory response, cell division and differentiation, apoptosis, and cell motility.
• p38 MAPK was initially believed to be an ideal target for anti -inflammatory therapeutics.
• the failure of more than a dozen chemically different compounds in the clinical phase suggests that p38 MAPK might be a poor therapeutic target.
• Many of these compounds were found to be hepatotoxic to various degree and tolerance to the antiinflammatory effect developed within weeks. In hindsight, the failures in clinical trials due to unwanted side effects is perhaps not unexpected as p38 MAPK regulates the activity for more than 60 substrates.
• R ⁇ -R 3 , X -X 3 , X 5 - X 7 , Z and n are as defined in the specification.
• the invention relates to compounds having the structure of Formula (II):
• the invention relates to pharmaceutical compositions of a compound of Formula (I) or Formula (II), and a pharmaceutically acceptable carrier.
• the invention also relates to methods of treating a MK2-related disorder, comprising administering to a subject a compound of the invention.
• the invention further relates to methods of inhibiting proliferation of a cancer cell comprising contacting a cancer cell with a compound of the invention.
• the invention also provides methods of inhibiting MK2 activity in a cell, comprising contacting a cell with a compound of the invention.
• the invention also provides methods of treating or preventing a metabolic disorder, comprising administering to a subject a compound of the invention.
• the invention provides substituted fused quadracyclic compounds, and pharmaceutical compositions thereof.
• substituted fused quadracyclic compounds are useful as MK2 inhibitors, and thus can be used as anti-cancer agents, antiinflammatory agents, or anti-diabetic agents.
• X 1 , X 2 , and X 3 are, independently for each occurrence, CR 5 or N;
• X 5 , X 6 , and X 7 are, independently for each occurrence, CR 7 or N;
• R 1 is, independently for each occurrence, H, halo, -OH, -CN, or optionally substituted alkyl, alkoxy, ether, carbamate, or ester;
• R 2 is H, halo, -CN, alkyl, or ester
• R 3 is H, alkyl, or cycloalkyl
• Z is halo or optionally substituted amino, alkylamino, heteroalkylamino, cycloalkylamino, or heterocycloalkylamino;
• n is an integer from 0-5.
• the invention relates to compounds having the structure of Formula (II), or a pharmaceutically acceptable salt thereof:
• X 1 is N or CH
• R la is H, halo, -CN, -OH, or optionally substituted alkyl
• R 2 is H or halo
• R 5 is H, halo, or optionally substituted alkyl
• Z is halo or optionally substituted amino, alkylamino, heteroalkylamino, cycloalkylamino, or heterocycloalkylamino.
• X 1 is N; and X 2 and X 3 are CH. In certain embodiments of Formulas I and II, X 1 and X 2 are N; and X 3 is CH. In certain embodiments of Formulas I and II, X 1 and X 3 are N; and X 2 is CH. In certain embodiments of Formulas I and II, X 1 , X 2 , and X 3 are N.
• Z is halo, preferably bromo. In alternative embodiments, Z is optionally substituted amino, alkylamino, heteroalkylamino, cycloalkylamino, or heterocycloalkylamino.
• Z is and 20 21 22 23
• R , R , R , and R are each independently H, halo, hydroxyl, amino, or optionally
• Z is , H, or O
• R , R , R , and R are each independently H, amino, or optionally substituted alkyl, aminoalkyl, alkylaminoalkyl, alkylamino, cycloalkyl, or heterocycloalkyl; or
• R 24 and R 26 combine to form an optionally substituted 4-, 5-, or 6-membered ring.
• the optionally substituted 4-, 5-, or 6-membered ring comprises a heteroatom.
• the heteroatom is N.
• Z is : and X 2i is NH or O.
• Z is
• Z is optionally substituted alkylamino, cycloalkylamino, or heterocycloalkylamino.
• R 1 is, independently for each occurrence, fluoro, chloro, -CN, -O-R 31 , -OCF 3 , -0-C(0)- R 31 R 32 , or -C(0)-OR 31 ; and R 31 and R 32 are, independently for each occurrence, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, (cycloalkyl)alkyl, aryl, or aralkyl. In certain preferred embodiments of Formula I, R 1 is fluoro or -CN.
• R la and R lb are, independently for each occurrence, fluoro, chloro, -CN, -O-R 31 , -OCF 3 , -0-C(0)-NR 31 R 32 , or -C(0)-OR 31 ; and R 31 and R 32 are, independently for each occurrence, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, (cycloalkyl)alkyl, aryl, or aralkyl.
• R la and R lb are, independently for each occurrence, fluoro or -CN.
• R 3 is optionally substituted or C 3- 6 cycloalkyl, preferably cyclopropyl In some embodiments of Formula I, R 3 is H.
• R 5 is optionally substituted alkyl, -O- C(0)-NR 61 R 62 or -C(0)-OR 61 ;
• R 61 and R 62 are, independently for each occurrence, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, (cycloalkyl)alkyl, aryl, or aralkyl.
• R 7 is -0-C(0)-NR 71 2 or -C(0)-OR 71 ; and R 71 is optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, (cycloalkyl)alkyl, aryl, or aralkyl.
• n 0, 1 or 2.
• compounds of the invention may be prodrugs of the compounds of Formula I or Formula II, e.g., wherein a hydroxyl in the parent compound is presented as an ester or a carbonate, or carboxylic acid present in the parent compound is presented as an ester.
• the prodrug is metabolized to the active parent compound in vivo (e.g., the ester is hydrolyzed to the corresponding hydroxyl, or carboxylic acid).
• compounds of the invention may be racemic. In certain embodiments, compounds of the invention may be enriched in one enantiomer. For example, a compound of the invention may have greater than 30% ee, 40% ee, 50% ee, 60% ee, 70%) ee, 80%> ee, 90%> ee, or even 95% or greater ee. The compounds of the invention have more than one stereocenter. Consequently, compounds of the invention may be enriched in one or more diastereomer. For example, a compound of the invention may have greater than 30% de, 40% de, 50% de, 60% de, 70% de, 80% de, 90% de, or even 95% or greater de.
• the present invention relates to methods of treating or preventing cancer or an inflammatory disorder with a compound of Formula I or Formula II, or a pharmaceutically acceptable salt thereof.
• the therapeutic preparation may be enriched to provide predominantly one enantiomer of a compound (e.g., of Formula I or II).
• An enantiomerically enriched mixture may comprise, for example, at least 60 mol percent of one enantiomer, or more preferably at least 75, 90, 95, or even 99 mol percent.
• the compound enriched in one enantiomer is substantially free of the other enantiomer, wherein substantially free means that the substance in question makes up less than 10%, or less than 5%), or less than 4%, or less than 3%, or less than 2%, or less than 1% as compared to the amount of the other enantiomer, e.g., in the composition or compound mixture.
• substantially free means that the substance in question makes up less than 10%, or less than 5%), or less than 4%, or less than 3%, or less than 2%, or less than 1% as compared to the amount of the other enantiomer, e.g., in the composition or compound mixture.
• a composition or compound mixture contains 98 grams of a first enantiomer and 2 grams of a second enantiomer, it would be said to contain 98 mol percent of the first enantiomer and only 2% of the second enantiomer.
• the therapeutic preparation may be enriched to provide predominantly one diastereomer of a compound (e.g., of Formula I or II).
• diastereomerically enriched mixture may comprise, for example, at least 60 mol percent of one diastereomer, or more preferably at least 75, 90, 95, or even 99 mol percent.
• Compounds of any of the above structures may be used in the manufacture of medicaments for the treatment of any diseases or conditions disclosed herein.
• Exemplary compounds of Formula I and Formula II are depicted in the examples and Table 1.
• the compounds disclosed in the examples and Table 1 are understood to encompass both the free base and the conjugate acid.
• the compounds in the examples and Table 1 may be depicted as complexes or salts with trifluoroacetic acid or hydrochloric acid, but the compounds in their corresponding free base forms or as salts with other acids are equally within the scope of the invention.
• Compounds may be isolated in either the free base form, as a salt (e.g., a hydrochloride salt) or in both forms.
• a salt e.g., a hydrochloride salt
• Brain Tumor such as Astrocytomas, Brain and Spinal Cord Tumors, Brain Stem Glioma, Central Nervous System Atypical Teratoid/Rhabdoid Tumor, Central Nervous System Embryonal Tumors, Craniopharyngioma, Ependymoblastoma,
• Neoplasm/Multiple Myeloma, Pleuropulmonary Blastoma, Pregnancy and Breast Cancer Primary Central Nervous System (CNS) Lymphoma, Prostate Cancer, Rectal Cancer, Renal Cell (Kidney) Cancer, Renal Pelvis and Ureter, Retinoblastoma, Rhabdomyosarcoma, Salivary Gland Cancer, Sarcoma (such as Ewing Sarcoma Family of Tumors, Kaposi, Soft Tissue, Uterine), Sezary Syndrome, Skin Cancer (such as Melanoma, Merkel Cell
• Metastatic Stomach (Gastric) Cancer, Supratentorial Primitive Neuroectodermal Tumors, T- Cell Lymphoma (Cutaneous, Mycosis Fungoides and Sezary Syndrome), Testicular Cancer, Throat Cancer, Thymoma and Thymic Carcinoma, Thyroid Cancer, Transitional Cell Cancer of the Renal Pelvis and Ureter, Trophoblastic Tumor (Gestational), Unknown Primary, Unusual Cancers of Childhood, Ureter and Renal Pelvis, Transitional Cell Cancer, Urethral Cancer, Uterine Cancer, Endometrial, Uterine Sarcoma, Waldenstrom Macroglobulinemia and Wilms Tumor.
• the cancer is a KRAS- or BRAF-dependent cancer.
• the cancer is a solid tumor.
• the subject is generally one who has been diagnosed as having a cancerous tumor or one who has been previously treated for a cancerous tumor (e.g., where the tumor has been previously removed by surgery).
• the cancerous tumor may be a primary tumor and/or a secondary (e.g., metastatic) tumor.
• the cancer is associated with tissue of the bladder, bone marrow, breast, colon, kidney, liver, lung, ovary, pancreas, prostate, skin or thyroid.
• the method of treating cancer further comprises conjointly administering one or more additional chemotherapeutic agents.
• the chemotherapeutic agent is cisplatin.
• the additional chemotherapeutic agent is an CHK1 inhibitor.
• combination therapies have been developed for the treatment of cancer.
• compounds of the invention may be conjointly administered with a combination therapy.
• Examples of combination therapies with which compounds of the invention may be conjointly administered are included in Table 2.
• lymphocytic leukemia lymphocytic leukemia
• compositions and methods of the present invention may be utilized to treat an individual in need thereof.
• the individual is a mammal such as a human, or a non-human mammal.
• the composition or the compound is preferably administered as a pharmaceutical composition comprising, for example, a compound of the invention and a pharmaceutically acceptable carrier.
• Pharmaceutically acceptable carriers are well known in the art and include, for example, aqueous solutions such as water or physiologically buffered saline or other solvents or vehicles such as glycols, glycerol, oils such as olive oil, or injectable organic esters.
• aqueous solutions such as water or physiologically buffered saline or other solvents or vehicles
• glycols, glycerol oils such as olive oil, or injectable organic esters.
• injectable organic esters are well known in the art and include, for example, aqueous solutions such as water or physiologically buffered saline or other solvents or vehicles such as glycols, glycerol, oils
• a pharmaceutical composition can be administered to a subject by any of a number of routes of administration including, for example, orally (for example, drenches as in aqueous or non-aqueous solutions or suspensions, tablets, capsules (including sprinkle capsules and gelatin capsules), boluses, powders, granules, pastes for application to the tongue); absorption through the oral mucosa (e.g., sublingually); anally, rectally or vaginally (for example, as a pessary, cream or foam); parenterally (including intramuscularly, intravenously, subcutaneously or intrathecally as, for example, a sterile solution or suspension); nasally; intraperitoneally; subcutaneously; transdermally (for example as a patch applied to the skin); and topically (for example, as a cream, ointment or spray applied to the skin, or as an eye drop).
• routes of administration including, for example, orally (for example, drenches as in aqueous or
• the active ingredient is mixed with one or more pharmaceutically acceptable carriers, such as sodium citrate or dicalcium phosphate, and/or any of the following: (1) fillers or extenders, such as starches, lactose, sucrose, glucose, mannitol, and/or silicic acid; (2) binders, such as, for example, carboxymethylcellulose, alginates, gelatin, polyvinyl pyrrolidone, sucrose and/or acacia; (3) humectants, such as glycerol; (4) disintegrating agents, such as agar-agar, calcium carbonate, potato or tapioca starch, alginic acid, certain silicates, and sodium carbonate; (5) solution retarding agents, such as paraffin; (6) absorption accelerators, such as quaternary ammonium compounds; (7) wetting agents,
• pharmaceutically acceptable carriers such as sodium citrate or dicalcium phosphate, and/or any of the following: (1) fillers or extenders, such as starches, lactose
• compositions may also comprise buffering agents.
• Solid compositions of a similar type may also be employed as fillers in soft and hard-filled gelatin capsules using such excipients as lactose or milk sugars, as well as high molecular weight polyethylene glycols and the like.
• compositions may be sterilized by, for example, filtration through a bacteria-retaining filter, or by incorporating sterilizing agents in the form of sterile solid compositions that can be dissolved in sterile water, or some other sterile injectable medium immediately before use.
• These compositions may also optionally contain opacifying agents and may be of a composition that they release the active ingredient(s) only, or preferentially, in a certain portion of the gastrointestinal tract, optionally, in a delayed manner.
• embedding compositions that can be used include polymeric substances and waxes.
• the active ingredient can also be in microencapsulated form, if appropriate, with one or more of the above-described excipients.
• Liquid dosage forms useful for oral administration include pharmaceutically acceptable emulsions, lyophiles for reconstitution, microemulsions, solutions, suspensions, syrups and elixirs.
• the liquid dosage forms may contain inert diluents commonly used in the art, such as, for example, water or other solvents, cyclodextrins and derivatives thereof, solubilizing agents and emulsifiers, such as ethyl alcohol, isopropyl alcohol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, propylene glycol, 1,3-butylene glycol, oils (in particular, cottonseed, groundnut, corn, germ, olive, castor and sesame oils), glycerol, tetrahydrofuryl alcohol, polyethylene glycols and fatty acid esters of sorbitan, and mixtures thereof.
• inert diluents commonly used in the art, such
• the oral compositions can also include adjuvants such as wetting agents, emulsifying and suspending agents, sweetening, flavoring, coloring, perfuming and preservative agents.
• adjuvants such as wetting agents, emulsifying and suspending agents, sweetening, flavoring, coloring, perfuming and preservative agents.
• Formulations of the pharmaceutical compositions for rectal, vaginal, or urethral administration may be presented as a suppository, which may be prepared by mixing one or more active compounds with one or more suitable nonirritating excipients or carriers comprising, for example, cocoa butter, polyethylene glycol, a suppository wax or a salicylate, and which is solid at room temperature, but liquid at body temperature and, therefore, will melt in the rectum or vaginal cavity and release the active compound.
• Formulations of the pharmaceutical compositions for administration to the mouth may be presented as a mouthwash, or an oral spray, or an oral ointment.
• compositions can be formulated for delivery via a catheter, stent, wire, or other intraluminal device. Delivery via such devices may be especially useful for delivery to the bladder, urethra, ureter, rectum, or intestine.
• Dosage forms for the topical or transdermal administration include powders, sprays, ointments, pastes, creams, lotions, gels, solutions, patches and inhalants.
• the active compound may be mixed under sterile conditions with a pharmaceutically acceptable carrier, and with any preservatives, buffers, or propellants that may be required.
• Powders and sprays can contain, in addition to an active compound, excipients such as lactose, talc, silicic acid, aluminum hydroxide, calcium silicates and polyamide powder, or mixtures of these substances.
• Sprays can additionally contain customary propellants, such as chlorofluorohydrocarbons and volatile unsubstituted hydrocarbons, such as butane and propane.
• Ophthalmic formulations eye ointments, powders, solutions and the like, are also contemplated as being within the scope of this invention.
• Exemplary ophthalmic materials are also contemplated as being within the scope of this invention.
• liquid ophthalmic formulations have properties similar to that of lacrimal fluids, aqueous humor or vitreous humor or are compatable with such fluids.
• a preferred route of administration is local administration (e.g., topical administration, such as eye drops, or administration via an implant).
• parenteral administration and “administered parenterally” as used herein means modes of administration other than enteral and topical administration, usually by injection, and includes, without limitation, intravenous, intramuscular, intraarterial, intrathecal, intracapsular, intraorbital, intracardiac, intradermal, intraperitoneal, transtracheal, subcutaneous, subcuticular, intraarticular, subcapsular, subarachnoid, intraspinal and intrasternal injection and infusion.
• a liquid suspension of crystalline or amorphous material having poor water solubility The rate of absorption of the drug then depends upon its rate of dissolution, which, in turn, may depend upon crystal size and crystalline form.
• delayed absorption of a parenterally administered drug form is accomplished by dissolving or suspending the drug in an oil vehicle.
• Injectable depot forms are made by forming microencapsulated matrices of the subject compounds in biodegradable polymers such as polylactide-polyglycolide. Depending on the ratio of drug to polymer, and the nature of the particular polymer employed, the rate of drug release can be controlled. Examples of other biodegradable polymers include poly(orthoesters) and poly (anhydrides). Depot injectable formulations are also prepared by entrapping the drug in liposomes or microemulsions that are compatible with body tissue.
• Methods of introduction may also be provided by rechargeable or biodegradable devices.
• Various slow release polymeric devices have been developed and tested in vivo in recent years for the controlled delivery of drugs, including proteinacious biopharmaceuticals.
• a variety of biocompatible polymers including hydrogels, including both biodegradable and non-degradable polymers, can be used to form an implant for the sustained release of a compound at a particular target site.
• the selected dosage level will depend upon a variety of factors including the activity of the particular compound or combination of compounds employed, or the ester, salt or amide thereof, the route of administration, the time of administration, the rate of excretion of the particular compound(s) being employed, the duration of the treatment, other drugs, compounds and/or materials used in combination with the particular compound(s) employed, the age, sex, weight, condition, general health and prior medical history of the patient being treated, and like factors well known in the medical arts.
• a physician or veterinarian having ordinary skill in the art can readily determine and prescribe the therapeutically effective amount of the pharmaceutical composition required.
• the physician or veterinarian could start doses of the pharmaceutical composition or compound at levels lower than that required in order to achieve the desired therapeutic effect and gradually increase the dosage until the desired effect is achieved.
• therapeutically effective amount is meant the concentration of a compound that is sufficient to elicit the desired therapeutic effect. It is generally understood that the effective amount of the compound will vary according to the weight, sex, age, and medical history of the subject. Other factors which influence the effective amount may include, but are not limited to, the severity of the patient's condition, the disorder being treated, the stability of the compound, and, if desired, another type of therapeutic agent being administered with the compound of the invention.
• a larger total dose can be delivered by multiple administrations of the agent.
• Methods to determine efficacy and dosage are known to those skilled in the art (Isselbacher et al. (1996) Harrison's Principles of Internal Medicine 13 ed., 1814-1882, herein incorporated by reference).
• the effective daily dose of the active compound may be administered as one, two, three, four, five, six or more sub-doses administered separately at appropriate intervals throughout the day, optionally, in unit dosage forms.
• the active compound may be administered two or three times daily. In preferred embodiments, the active compound will be administered once daily.
• the patient receiving this treatment is any animal in need, including primates, in particular humans, and other mammals such as equines, cattle, swine and sheep; and poultry and pets in general.
• compounds of the invention may be used alone or conjointly administered with another type of therapeutic agent.
• the phrase "conjoint administration” refers to any form of administration of two or more different therapeutic compounds such that the second compound is administered while the previously
• the administered therapeutic compound is still effective in the body ⁇ e.g., the two compounds are simultaneously effective in the patient, which may include synergistic effects of the two compounds).
• the different therapeutic compounds can be administered either in the same formulation or in a separate formulation, either concomitantly or sequentially.
• the different therapeutic compounds can be administered within one hour, 12 hours, 24 hours, 36 hours, 48 hours, 72 hours, or a week of one another.
• an individual who receives such treatment can benefit from a combined effect of different therapeutic compounds.
• conjoint administration of compounds of the invention with one or more additional therapeutic agent(s) provides improved efficacy relative to each individual administration of the compound of the invention (e.g., compound of formula I or la) or the one or more additional therapeutic agent(s).
• the conjoint administration provides an additive effect, wherein an additive effect refers to the sum of each of the effects of individual administration of the compound of the invention and the one or more additional therapeutic agent(s).
• This invention includes the use of pharmaceutically acceptable salts of compounds of the invention in the compositions and methods of the present invention.
• “pharmaceutically acceptable salt” as used herein includes salts derived from inorganic or organic acids including, for example, hydrochloric, hydrobromic, sulfuric, nitric, perchloric, phosphoric, formic, acetic, lactic, maleic, fumaric, succinic, tartaric, glycolic, salicylic, citric, methanesulfonic, benzenesulfonic, benzoic, malonic, trifluoroacetic, trichloroacetic, naphthalene-2-sulfonic, and other acids.
• Pharmaceutically acceptable salt forms can include forms wherein the ratio of molecules comprising the salt is not 1 : 1.
• the salt may comprise more than one inorganic or organic acid molecule per molecule of base, such as two hydrochloric acid molecules per molecule of compound of Formula I or Formula II.
• the salt may comprise less than one inorganic or organic acid molecule per molecule of base, such as two molecules of compound of Formula I or Formula II per molecule of tartaric acid.
• contemplated salts of the invention include, but are not limited to, alkyl, dialkyl, trialkyl or tetra-alkyl ammonium salts.
• contemplated salts of the invention include, but are not limited to, L-arginine, benenthamine, benzathine, betaine, calcium hydroxide, choline, deanol, diethanolamine, diethylamine, 2- (di ethyl amino)ethanol, ethanolamine, ethylenediamine, N-methylglucamine, hydrabamine, lH-imidazole, lithium, L-lysine, magnesium, 4-(2-hydroxyethyl)morpholine, piperazine, potassium, l-(2-hydroxyethyl)pyrrolidine, sodium, triethanolamine, tromethamine, and zinc salts.
• contemplated salts of the invention include, but are not limited to, Na, Ca, K, Mg, Zn or other metal salt
• the pharmaceutically acceptable acid addition salts can also exist as various solvates, such as with water, methanol, ethanol, dimethylformamide, and the like. Mixtures of such solvates can also be prepared.
• the source of such solvate can be from the solvent of crystallization, inherent in the solvent of preparation or crystallization, or adventitious to such solvent.
• wetting agents such as sodium lauryl sulfate and magnesium stearate, as well as coloring agents, release agents, coating agents, sweetening, flavoring and perfuming agents, preservatives and antioxidants can also be present in the compositions.
• antioxidants examples include: (1) water-soluble antioxidants, such as ascorbic acid, cysteine hydrochloride, sodium bisulfate, sodium metabi sulfite, sodium sulfite and the like; (2) oil-soluble antioxidants, such as ascorbyl palmitate, butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), lecithin, propyl gallate, alpha-tocopherol, and the like; and (3) metal-chelating agents, such as citric acid, ethylenediamine tetraacetic acid (EDTA), sorbitol, tartaric acid, phosphoric acid, and the like.
• water-soluble antioxidants such as ascorbic acid, cysteine hydrochloride, sodium bisulfate, sodium metabi sulfite, sodium sulfite and the like
• oil-soluble antioxidants such as ascorbyl palmitate, butylated hydroxyanisole (BHA), butylated hydroxytoluene (
• acyl is art-recognized and refers to a group represented by the general formula hydrocarbylC(O)-, preferably alkylC(O)-.
• acyloxy is art-recognized and refers to a group represented by the general formula hydrocarbylC(0)0-, preferably alkylC(0)0-.
• alkoxy refers to an alkyl group, preferably a lower alkyl group, having an oxygen attached thereto.
• Representative alkoxy groups include methoxy, -OCF 3 , ethoxy, propoxy, tert-butoxy and the like.
• alkenyl refers to an aliphatic group containing at least one double bond and is intended to include both "unsubstituted alkenyls" and “substituted alkenyls", the latter of which refers to alkenyl moieties having substituents replacing a hydrogen on one or more carbons of the alkenyl group. Such substituents may occur on one or more carbons that are included or not included in one or more double bonds. Moreover, such substituents include all those contemplated for alkyl groups, as discussed below, except where stability is prohibitive. For example, substitution of alkenyl groups by one or more alkyl, carbocyclyl, aryl, heterocyclyl, or heteroaryl groups is contemplated.
• alkyl group or “alkane” is a straight chained or branched non-aromatic hydrocarbon which is completely saturated. Typically, a straight chained or branched alkyl group has from 1 to about 20 carbon atoms, preferably from 1 to about 10 unless otherwise defined. Examples of straight chained and branched alkyl groups include methyl, ethyl, n- propyl, iso-propyl, n-butyl, sec-butyl, tert-butyl, pentyl, hexyl, pentyl and octyl.
• a Ci-C 6 straight chained or branched alkyl group is also referred to as a "lower alkyl" group.
• alkyl (or “lower alkyl) as used throughout the specification, examples, and claims is intended to include both “unsubstituted alkyls” and “substituted alkyls”, the latter of which refers to alkyl moieties having substituents replacing a hydrogen on one or more carbons of the hydrocarbon backbone.
• the moieties substituted on the hydrocarbon chain can themselves be substituted, if appropriate.
• the substituents of a substituted alkyl may include substituted and unsubstituted forms of amino, azido, imino, amido, phosphoryl (including phosphonate and phosphinate), sulfonyl (including sulfate, sulfonamido, sulfamoyl and sulfonate), and silyl groups, as well as ethers, alkylthios, carbonyls (including ketones, aldehydes, carboxylates, and esters), - CF 3 , -CN and the like.
• Cycloalkyls can be further substituted with alkyls, alkenyls, alkoxys, alkylthios, aminoalkyls, carbonyl- substituted alkyls, -CF 3 , -CN, and the like.
• C x-y when used in conjunction with a chemical moiety, such as, acyl, acyloxy, alkyl, alkenyl, alkynyl, or alkoxy is meant to include groups that contain from x to y carbons in the chain.
• C x-y alkyl refers to substituted or
• unsubstituted saturated hydrocarbon groups including straight-chain alkyl and branched- chain alkyl groups that contain from x to y carbons in the chain, including haloalkyl groups such as trifluoromethyl and 2,2,2-trifluoroethyl, etc.
• Co alkyl indicates a hydrogen where the group is in a terminal position, a bond if internal.
• the terms "C2-yalkenyl” and “C2- y alkynyl” refer to substituted or unsubstituted unsaturated aliphatic groups analogous in length and possible substitution to the alkyls described above, but that contain at least one double or triple bond respectively.
• alkylamino refers to an amino group substituted with at least one alkyl group.
• alkylthio refers to a thiol group substituted with an alkyl group and may be represented by the general formula alkylS-.
• alkynyl refers to an aliphatic group containing at least one triple bond and is intended to include both "unsubstituted alkynyls" and “substituted alkynyls", the latter of which refers to alkynyl moieties having substituents replacing a hydrogen on one or more carbons of the alkynyl group. Such substituents may occur on one or more carbons that are included or not included in one or more triple bonds. Moreover, such substituents include all those contemplated for alkyl groups, as discussed above, except where stability is prohibitive. For example, substitution of alkynyl groups by one or more alkyl, carbocyclyl, aryl, heterocyclyl, or heteroaryl groups is contemplated.
• amide refers to a group
• each R 10 independently represent a hydrogen or hydrocarbyl group, or two R 10 are taken together with the N atom to which they are attached complete a heterocycle having from 4 to 8 atoms in the ring structure.
• amine and “amino” are art-recognized and refer to both unsubstituted and substituted amines and salts thereof, e.g., a moiety that can be represented by
• each R 10 independently represents a hydrogen or a hydrocarbyl group, or two R 10 are taken together with the N atom to which they are attached complete a heterocycle having from 4 to 8 atoms in the ring structure.
• aminoalkyl refers to an alkyl group substituted with an amino group.
• aralkyl refers to an alkyl group substituted with an aryl group.
• aryl as used herein include substituted or unsubstituted single-ring aromatic groups in which each atom of the ring is carbon.
• the ring is a 5- to 7- membered ring, more preferably a 6-membered ring.
• aryl also includes polycyclic ring systems having two or more cyclic rings in which two or more carbons are common to two adjoining rings wherein at least one of the rings is aromatic, e.g., the other cyclic rings can be cycloalkyls, cycloalkenyls, cycloalkynyls, aryls, heteroaryls, and/or heterocyclyls.
• Aryl groups include benzene, naphthalene, phenanthrene, phenol, aniline, and the like.
• R 9 and R 10 independently represent hydrogen or a hydrocarbyl group, such as an alkyl group, or R 9 and R 10 taken together with the intervening atom(s) complete a heterocycle having from 4 to 8 atoms in the ring structure.
• carbocycle refers to a saturated or unsaturated ring in which each atom of the ring is carbon.
• carbocycle includes both aromatic carbocycles and non-aromatic carbocycles.
• Non-aromatic carbocycles include both cycloalkane rings, in which all carbon atoms are saturated, and cycloalkene rings, which contain at least one double bond.
• Carbocycle includes 5-7 membered monocyclic and 8-12 membered bicyclic rings. Each ring of a bicyclic carbocycle may be selected from saturated, unsaturated and aromatic rings.
• Carbocycle includes bicyclic molecules in which one, two or three or more atoms are shared between the two rings.
• the term "fused carbocycle” refers to a bicyclic carbocycle in which each of the rings shares two adjacent atoms with the other ring.
• Each ring of a fused carbocycle may be selected from saturated, unsaturated and aromatic rings.
• an aromatic ring e.g., phenyl
• an aromatic ring e.g., phenyl
• a saturated or unsaturated ring e.g., cyclohexane, cyclopentane, or cyclohexene. Any combination of saturated, unsaturated and aromatic bicyclic rings, as valence permits, is included in the definition of carbocyclic.
• Exemplary "carbocycles” include cyclopentane, cyclohexane, bicyclo[2.2.1]heptane, 1,5-cyclooctadiene, 1,2,3,4- tetrahydronaphthalene, bicyclo[4.2.0]oct-3-ene, naphthalene and adamantane.
• Exemplary fused carbocycles include decalin, naphthalene, 1,2,3,4-tetrahydronaphthalene,
• Carbocycles may be susbstituted at any one or more positions capable of bearing a hydrogen atom.
• a "cycloalkyl” group is a cyclic hydrocarbon which is completely saturated.
• Cycloalkyl includes monocyclic and bicyclic rings. Typically, a monocyclic cycloalkyl group has from 3 to about 10 carbon atoms, more typically 3 to 8 carbon atoms unless otherwise defined.
• the second ring of a bicyclic cycloalkyl may be selected from saturated, unsaturated and aromatic rings. Cycloalkyl includes bicyclic molecules in which one, two or three or more atoms are shared between the two rings.
• the term “fused cycloalkyl” refers to a bicyclic cycloalkyl in which each of the rings shares two adjacent atoms with the other ring.
• the second ring of a fused bicyclic cycloalkyl may be selected from saturated, unsaturated and aromatic rings.
• a "cycloalkenyl” group is a cyclic hydrocarbon containing one or more double bonds.
• Carbocyclylalkyl refers to an alkyl group substituted with a carbocycle group.
• ether refers to a hydrocarbyl group linked through an oxygen to another hydrocarbyl group. Accordingly, an ether substituent of a hydrocarbyl group may be hydrocarbyl-O-. Ethers may be either symmetrical or unsymmetrical.
• heteroalkyl and “heteroaralkyl”, as used herein, refers to an alkyl group substituted with a hetaryl group.
• heteroalkyl refers to a saturated or unsaturated chain of carbon atoms and at least one heteroatom, wherein no two heteroatoms are adjacent.
• heteroalkylamino refers to an amino group subsituted with a heteralkyl group.
• heteroaryl and “hetaryl” include substituted or unsubstituted aromatic single ring structures, preferably 5- to 7-membered rings, more preferably 5- to 6-membered rings, whose ring structures include at least one heteroatom, preferably one to four heteroatoms, more preferably one or two heteroatoms.
• heteroaryl and “hetaryl” also include polycyclic ring systems having two or more cyclic rings in which two or more carbons are common to two adjoining rings wherein at least one of the rings is
• heteroaromatic e.g., the other cyclic rings can be cycloalkyls, cycloalkenyls, cycloalkynyls, aryls, heteroaryls, and/or heterocyclyls.
• Heteroaryl groups include, for example, pyrrole, furan, thiophene, imidazole, oxazole, thiazole, pyrazole, pyridine, pyrazine, pyridazine, and pyrimidine, and the like.
• heteroatom as used herein means an atom of any element other than carbon or hydrogen. Preferred heteroatoms are nitrogen, oxygen, and sulfur.
• heterocyclyl refers to substituted or unsubstituted non-aromatic ring structures, preferably 3- to 10-membered rings, more preferably 3- to 7-membered rings, whose ring structures include at least one heteroatom, preferably one to four heteroatoms, more preferably one or two heteroatoms.
• heterocyclyl and “heterocyclic” also include polycyclic ring systems having two or more cyclic rings in which two or more carbons are common to two adjoining rings wherein at least one of the rings is heterocyclic, e.g., the other cyclic rings can be cycloalkyls, cycloalkenyls, cycloalkynyls, aryls, heteroaryls, and/or heterocyclyl s.
• Heterocyclyl groups include, for example, piperidine, piperazine, pyrrolidine, morpholine, lactones, lactams, and the like. Heterocyclyl groups can also be substituted by oxo groups. For example,
• heterocyclyl encompasses both pyrrolidine and pyrrolidinone.
• heterocycloalkyl refers to an alkyl group substituted with a heterocycle group.
• heterocycloalkylamino refers to an amino group substituted with a heterocycloalkyl group.
• Hydrocarbyl groups include, but are not limited to aryl, heteroaryl, carbocycle, heterocyclyl, alkyl, alkenyl, alkynyl, and combinations thereof.
• hydroxyalkyl refers to an alkyl group substituted with a hydroxy group.
• lower when used in conjunction with a chemical moiety, such as, acyl, acyloxy, alkyl, alkenyl, alkynyl, or alkoxy is meant to include groups where there are ten or fewer non-hydrogen atoms in the substituent, preferably six or fewer.
• acyl, acyloxy, alkyl, alkenyl, alkynyl, or alkoxy substituents defined herein are respectively lower acyl, lower acyloxy, lower alkyl, lower alkenyl, lower alkynyl, or lower alkoxy, whether they appear alone or in combination with other substituents, such as in the recitations hydroxyalkyl and aralkyl (in which case, for example, the atoms within the aryl group are not counted when counting the carbon atoms in the alkyl substituent).
• oxo refers to a carbonyl group.
• an oxo substituent occurs on an otherwise saturated group, such as with an oxo-substituted cycloalkyl group (e.g., 3-oxo-cyclobutyl)
• the substituted group is still intended to be a saturated group.
• the heteroatoms such as nitrogen may have hydrogen substituents and/or any permissible substituents of organic compounds described herein which satisfy the valences of the heteroatoms.
• Substituents can include any substituents described herein, for example, a halogen, a hydroxyl, a carbonyl (such as a carboxyl, an alkoxycarbonyl, a formyl, or an acyl), a thiocarbonyl (such as a thioester, a thioacetate, or a thioformate), an alkoxyl, a phosphoryl, a phosphate, a phosphonate, a phosphinate, an amino, an amido, an amidine, an imine, a cyano, a nitro, an azido, a sulfhydryl, an alkylthio, a sulfate, a sulfonate, a sulfamo
• R 9 and R 10 independently represents hydrogen or hydrocarbyl, such as alkyl, or R 9 and R 10 taken together with the intervening atom(s) complete a heterocycle having from 4 to 8 atoms in the ring structure.
• sulfoxide is art-recognized and refers to the group -S(0)-R 10 , wherein R 10 represents a hydrocarbyl.
• sulfonate is art-recognized and refers to the group SO 3 H, or a
• sulfone is art-recognized and refers to the group -S(0) 2 -R 10 , wherein R 10 represents a hydrocarbyl.
• thioalkyl refers to an alkyl group substituted with a thiol group.
• thioester refers to a group -C(0)SR 10 or -SC(0)R 10 wherein R 10 represents a hydrocarbyl.
• thioether is equivalent to an ether, wherein the oxygen is replaced with a sulfur.
• urea is art-recognized and may be represented by the general formula
• Protecting group refers to a group of atoms that, when attached to a reactive functional group in a molecule, mask, reduce or prevent the reactivity of the functional group. Typically, a protecting group may be selectively removed as desired during the course of a synthesis. Examples of protecting groups can be found in Greene and Wuts, Protective Groups in Organic Chemistry, 3 rd Ed., 1999, John Wiley & Sons, NY and Harrison et al., Compendium of Synthetic Organic Methods, Vols. 1-8, 1971-1996, John Wiley & Sons, NY.
• nitrogen protecting groups include, but are not limited to, formyl, acetyl, trifluoroacetyl, benzyl, benzyloxycarbonyl (“CBZ”), tert-butoxycarbonyl (“Boc”), trimethylsilyl (“TMS”), 2-trimethylsilyl-ethanesulfonyl (“TES”), trityl and substituted trityl groups, allyloxycarbonyl, 9-fluorenylmethyloxycarbonyl (“FMOC”), nitro- veratryloxycarbonyl (“NVOC”) and the like.
• hydroxylprotecting groups include, but are not limited to, those where the hydroxyl group is either acylated (esterified) or alkylated such as benzyl and trityl ethers, as well as alkyl ethers, tetrahydropyranyl ethers, trialkylsilyl ethers (e.g., TMS or TIPS groups), glycol ethers, such as ethylene glycol and propylene glycol derivatives and allyl ethers.
• a therapeutic that "prevents" a disorder or condition refers to a compound that, in a statistical sample, reduces the occurrence of the disorder or condition in the treated sample relative to an untreated control sample, or delays the onset or reduces the severity of one or more symptoms of the disorder or condition relative to the untreated control sample.
• prophylactic and/or therapeutic treatments include prophylactic and/or therapeutic treatments.
• prophylactic or therapeutic treatment is art-recognized and includes administration to the host of one or more of the subject compositions. If it is administered prior to clinical manifestation of the unwanted condition (e.g., disease or other unwanted state of the host animal) then the treatment is prophylactic (i.e., it protects the host against developing the unwanted condition), whereas if it is administered after manifestation of the unwanted condition, the treatment is therapeutic, (i.e., it is intended to diminish, ameliorate, or stabilize the existing unwanted condition or side effects thereof).
• prodrug is intended to encompass compounds which, under physiologic conditions, are converted into the therapeutically active agents of the present invention (e.g., a compound of formula I).
• a common method for making a prodrug is to include one or more selected moieties which are hydrolyzed under physiologic conditions to reveal the desired molecule.
• the prodrug is converted by an enzymatic activity of the host animal.
• esters or carbonates e.g., esters or carbonates of alcohols or carboxylic acids
• some or all of the compounds of formula I in a formulation represented above can be replaced with the corresponding suitable prodrug, e.g., wherein a hydroxyl in the parent compound is presented as an ester or a carbonate or carboxylic acid present in the parent compound is presented as an ester.
• MK2-related disorder is a disorder or condition that MK2 plays a role in the morbidity or sympotoms of the disease or disorder.
• an MK2-related disorder includes, but is not limited to, inflammatory diseases, autoimmune diseases, destructive bone disorders, proliferative disorders, angiogenic disorders, infectious diseases, neurodegenerative diseases, and viral diseases.
• inflammatory disorder or "inflammatory disease” includes diseases and disorders that are caused or primarily caused by inflammation, as well as diseases and disorders in which inflammation plays a role in the morbidity or symptoms of the disease or disorder, the propagation of the disease or disorder, the worsening of symptoms of a disease or disorder and/or the worsening of a patient's prognosis or survival time due to a disease or disorder.
• Methyl l-(2-amino-5-bromobenzyl)-4-(4-cyanophenyl)-lH-pyrrole-2-carboxylate S9.
• a suspension of methyl l-(5-bromo-2-nitrobenzyl)-4-(4-cyanophenyl)-lH-pyrrole-2- carboxylate (125 g, 284 mmol, 1.00 eq.), Fe (79 g, 1420 mmol, 5.0 eq.) and H 4 C1 (76 g, 1420 mmol, 5.0 ⁇ .) in EtOH (800 mL), H 2 0 (400 mL) and THF (800 mL) was heated to 80°C for 2 hr.
• Methyl 3-amino-6-bromopicolinate S67.
• BS 60 g, 337 mmol, 1.0 eq.
• the precipitate was collected by filtration to give methyl 3-amino-6-bromo-pyridine-2-carboxylate (48 g, 187 mmol, 56.9% yield, 90% purity) as a light yellow solid, which was used directly without further purification.
• Methyl 3-amino-5-fluoropicolinate S100.
• a mixture of 2-bromo-5-fluoropyridin-3-amine (22 g, 115.18 mmol, 1.00 eq.), Et 3 N (23.3 g, 230 mmol, 2.0 eq.) and Pd(dppf)Cl 2 (4.2 g, 5.7 mmol, 0.05 eq.) in MeOH (1 L) was de-gassed and stirred at 80°C for 50 hr under CO (2 MPa). The mixture was concentrated and added ice-water (300 mL). The aqueous phase was extracted with ethyl acetate (200 mL*3).
• 1-tert-butyl 2-methyl 4-bromo-lH-pyrrole-l,2-dicarboxylate (59.8 g, 196.6 mmol, 1.0 eq.) and (4-fluorophenyl)boronic acid (41 g, 294 mmol, 1.5 eq.) in dioxane (1.8 L) and H 2 0 (180 mL) was added Boc 2 0 (64.3 g, 294.9 mmol, 1.50 eq.), Na 2 C0 3 (41.68 g, 393.24 mmol, 2.00 eq.) and Pd(dppf)Cl 2 (7.1 g, 9.8 mmol, 0.05 eq.).
• the reaction mixture was warmed to 25°C and stirred for 16 hour.
• the mixture was poured into cold aqueous H 4 C1 (200 mL) and extracted with hot EtOAc/THF (4: 1, 100 mL x 3).
• EtOAc/THF 4:1 1, 100 mL x 3
• the combined organic layers were washed with brine (100 mL), dried over Na 2 S0 4 and concentrated.

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