WO2015104688A1 - Bicyclic heterocyclyl derivatives as irak4 inhibitors - Google Patents

Bicyclic heterocyclyl derivatives as irak4 inhibitors Download PDF

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Publication number
WO2015104688A1
WO2015104688A1 PCT/IB2015/050217 IB2015050217W WO2015104688A1 WO 2015104688 A1 WO2015104688 A1 WO 2015104688A1 IB 2015050217 W IB2015050217 W IB 2015050217W WO 2015104688 A1 WO2015104688 A1 WO 2015104688A1
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Prior art keywords
pyridin
mmol
carboxamide
oxazole
methylpyridin
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Ceased
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PCT/IB2015/050217
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English (en)
French (fr)
Inventor
Venkateshwar Rao GUMMADI
Susanta Samajdar
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Aurigene Oncology Ltd
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Aurigene Discovery Technologies Ltd
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Publication date
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Priority to KR1020167021713A priority Critical patent/KR102392684B1/ko
Priority to KR1020257009008A priority patent/KR20250049413A/ko
Priority to PL18190333T priority patent/PL3466955T3/pl
Priority to HRP20181795TT priority patent/HRP20181795T1/hr
Priority to AU2015205374A priority patent/AU2015205374B2/en
Priority to IL294895A priority patent/IL294895B2/en
Priority to LTEP15735499.4T priority patent/LT3094329T/lt
Priority to RS20181355A priority patent/RS58024B1/sr
Priority to IL311677A priority patent/IL311677B2/en
Priority to SM20180680T priority patent/SMT201800680T1/it
Priority to MX2016009013A priority patent/MX359909B/es
Priority to NZ722019A priority patent/NZ722019A/en
Priority to CU2016000111A priority patent/CU24389B1/es
Priority to US15/111,000 priority patent/US9732095B2/en
Priority to KR1020227014075A priority patent/KR102574390B1/ko
Priority to HK17105239.1A priority patent/HK1231410B/zh
Priority to EA201691428A priority patent/EA031913B1/ru
Priority to EP15735499.4A priority patent/EP3094329B1/en
Priority to DK15735499.4T priority patent/DK3094329T3/en
Priority to ES15735499.4T priority patent/ES2692852T3/es
Priority to SI201530477T priority patent/SI3094329T1/sl
Priority to JP2016563278A priority patent/JP6479850B2/ja
Priority to KR1020237029626A priority patent/KR102785576B1/ko
Priority to BR112016016158-0A priority patent/BR112016016158B1/pt
Priority to EP20211096.1A priority patent/EP3805233B1/en
Priority to IL317922A priority patent/IL317922A/en
Priority to CN201580013752.4A priority patent/CN106456619B/zh
Priority to IL302878A priority patent/IL302878B2/en
Priority to EP23214923.7A priority patent/EP4353324A3/en
Priority to PL15735499T priority patent/PL3094329T3/pl
Priority to SG11201605486WA priority patent/SG11201605486WA/en
Priority to EP18190333.7A priority patent/EP3466955B1/en
Priority to IL284952A priority patent/IL284952B/en
Priority to CA2935887A priority patent/CA2935887A1/en
Publication of WO2015104688A1 publication Critical patent/WO2015104688A1/en
Priority to IL246575A priority patent/IL246575B/en
Priority to PH12016501344A priority patent/PH12016501344A1/en
Anticipated expiration legal-status Critical
Priority to US15/667,173 priority patent/US10047104B2/en
Priority to US16/054,512 priority patent/US10640517B2/en
Priority to AU2018267569A priority patent/AU2018267569B2/en
Priority to CY20181101382T priority patent/CY1121433T1/el
Priority to IL271364A priority patent/IL271364B/en
Priority to AU2019283795A priority patent/AU2019283795B2/en
Priority to US16/795,394 priority patent/US10995100B2/en
Priority to PH12020500529A priority patent/PH12020500529A1/en
Priority to CY20211100076T priority patent/CY1123936T1/el
Priority to US17/245,611 priority patent/US11691987B2/en
Priority to AU2021203761A priority patent/AU2021203761B2/en
Priority to US18/141,008 priority patent/US11981685B2/en
Priority to AU2023222987A priority patent/AU2023222987B2/en
Priority to US18/629,313 priority patent/US12410193B2/en
Priority to US19/289,386 priority patent/US20250361244A1/en
Priority to AU2025226775A priority patent/AU2025226775A1/en
Ceased legal-status Critical Current

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Definitions

  • This invention relates to compounds useful for treatment of cancer and inflammatory diseases associated with interleukin- 1 receptor associated kinase (IRAK) and more particularly compounds that modulate the function of IRAK-4.
  • IRAK interleukin- 1 receptor associated kinase
  • the invention also provides pharmaceutically acceptable compositions comprising compounds of the present invention and methods of using said compositions in the treatment of diseases associated with IRAK-4.
  • Interleukin- 1 (IL-1) Receptor- Associated Kinase-4 is a serine/threonine kinase enzyme that plays an essential role in signal transduction by Toll/IL-1 receptors (TIRs).
  • TIRs Toll/IL-1 receptors
  • IRAK-1R interleukin- 1 receptor
  • TLRs Toll-like receptors
  • IRAK-1, IRAK-2, IRAK-M IRAK-4.
  • IRAK proteins are characterized by a typical N-terminal death domain that mediates interaction with MyD88-family adaptor proteins and a centrally located kinase domain.
  • the IRAK proteins, as well as MyD88, have been shown to play a role in transducing signals other than those originating from IL-1R receptors, including signals triggered by activation of IL-18 receptors (Kanakaraj, et al. J. Exp. Med. 189(7): 1999, 1129-38) and LPS receptors (Yang, et al., J. Immunol. 163, 1999, 639-643).
  • IRAK-4 is considered to be the "master IRAK".
  • IRAKs Under overexpression conditions, all IRAKs can mediate the activation of nuclear factor-kB (NF-kB) and stress-induced mitogen activated protein kinase (MAPK)-signaling cascades. However, only IRAK-1 and IRAK-4 have been shown to have active kinase activity. While IRAK- 1 kinase activity could be dispensable for its function in IL- 1-induced NF-kB activation (Kanakaraj et al, J. Exp. Med. 187(12), 1998, 2073-2079) and (Xiaoxia Li, et al. Mol. Cell. Biol.
  • IRAK-4 requires its kinase activity for signal transduction (Li S, et al. Proc. Natl. Acad. Sci. USA 99(8), 2002, 5567-5572) and (Lye, E et al, J. Biol. Chem. 279(39); 2004, 40653-8).
  • IRAK4 inhibitors Given the central role of IRAK4 in Toll- like/IL-lR signalling and immunological protection, IRAK4 inhibitors have been implicated as valuable therapeutics in inflammatory diseases, sepsis and autoimmune disorders (Wietek C, et al, Mol. Interv. 2: 2002, 212-215).
  • mice lacking IRAK-4 are viable and show complete abrogation of inflammatory cytokine production in response to IL-1, IL-18 or LPS (Suzuki et al. Nature, 416(6882), 2002, 750-756). Similarly, human patients lacking IRAK-4 are severely immunecompromised and are not responsive to these cytokines (Medvedev et al. J. Exp. Med., 198(4), 2003, 521-531 and Picard et al. Science 299(5615), 2003, 2076-2079). Knock-in mice containing inactive IRAK4 were completely resistant to lipopolysaccharide- and CpG-induced shock ( Kim TW, et al.
  • IRAK4 KI Inactivation of IRAK4 kinase (IRAK4 KI) in mice leads to resistance to EAE due to reduction in infiltrating inflammatory cells into CNS and reduced antigen specific CD4+ T-cell mediated IL-17 production (Kirk A et al. The Journal of Immunology, 183(1), 2009, 568-577).
  • IRAK-4 contains characteristic structural features of both serine/threonine and tyrosine kinases, as well as additional novel attributes, including the unique tyrosine gatekeeper residue.
  • Structural analysis of IRAK-4 revealed the underlying similarity with kinase family; ATP-binding cleft sandwiched between a bilobal arrangement.
  • the N-terminal lobe consists of mainly of a twisted five-stranded antiparallel beta-sheet and one alpha-helix and the larger C-terminal lobe are predominantly alpha-helical.
  • the structure reveals a few unique features for IRAK-4 kinase, including an additional alpha-helix from the N- terminal extension in the N-terminal lobe, a longer loop between helices alpha-D and alpha-E and a significantly moved helix alpha G as well as its adjoining loops.
  • the ATP-binding site in IRAK-4 has no deep pocket in the back but has a featured front pocket. This uniquely shaped binding pocket provides an excellent opportunity for designing IRAK-4 inhibitors.
  • IRAK-4 kinase inhibitors have generated several novel classes of protein binders which includes thiazole and pyridine amides (George M Buckley, et al. Bioorg. Med. Chem. Lett., 18(11), 2008, 3211-3214), aminobenzimidazoles (Powers JP, et al. Bioorg. Med. Chem. Lett., 16(11), 2006, 2842-2845), Imidazo[l,2-a] pyridines (Buckley G M, et al. Bioorg. Med. Chem. Lett. 18(11), 2008, 3656-3660) and (Buckley G, et al. Bioorg. Med. Chem. Lett.
  • kinase inhibitors including multikinase inhibitors, which may be further useful in treatment of disorders owing to variations in various kinases activity and possessing broader role. They may also be useful as part of other therapeutic regimens for the treatment of disorders, alone or in combination with protein kinase compounds well known by the one skilled in the art.
  • One objective herein is to provide bicyclic heterocyclyl compounds of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof, as kinase inhibitors, particularly IRAK4 inhibitors.
  • Another objective is to provide a pharmaceutical composition
  • a pharmaceutical composition comprising the compound of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof and atleast one pharmaceutically acceptable excipient such as a pharmaceutically acceptable carrier or diluent.
  • Yet another objective is to provide a use of bicyclic heterocyclyl derivativesof formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof, for the treatment and prevention of diseases or disorders, in particular their use in diseases or disorder where there is an advantage in inhibiting kinase enzyme, more particularly IRAK4 enzyme.
  • Xi and X 3 independently are CH or N;
  • X 2 is CR 2 or N; provided one and not more than one of X 1;
  • X 2 or X 3 is N;
  • A is O or S
  • Y is -CH 2 - or O
  • Ring Z is aryl or heterocyclyl
  • Ri at each occurrence, is independently halo or optionally substituted heterocyclyl; wherein the substituent is alkyl, alkoxy, aminoalkyl, halo, hydroxyl, hydroxyalkyl or -NR a R t ,;
  • R 2 is hydrogen, optionally substituted cycloalkyl, optionally substituted aryl, optionally substituted heterocyclyl or -NR a R t ,; wherein the substituent is alkyl, amino, halo or hydroxyl;
  • R 3 at each occurrence, is alkyl or hydroxyl
  • R a and R are independently hydrogen, alkyl, acyl or heterocyclyl
  • 'm' and 'n' are independently 0, 1 or 2;
  • 'p' is 0 or 1.
  • the present invention provides a pharmaceutical composition
  • a pharmaceutical composition comprising the compound of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof and atleast one pharmaceutically acceptable excipient such as a pharmaceutically acceptable carrier or diluent.
  • the present invention relates to the preparation of the compounds of formula (I).
  • it provides use of bicyclic heterocyclyl derivativesof formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof, for the treatment and prevention of diseases or disorder mediated by IRAK4 enzyme.
  • the invention relates to the use of bicyclic heterocyclyl derivatives of formula (I) pharmaceutically acceptable salts and stereoisomers thereof, including mixtures thereof in all ratios, as a medicament, by inhibiting IRAK or IRAK4 or other related kinases.
  • Bicyclic heterocyclyl derivatives of formula (I) of the present invention possess therapeutic role of inhibiting IRAK or IRAK4 or other related kinases useful in the area ofdiseases and/or disorders include, but are not limited to cancers, allergic diseases and/or disorders, autoimmune diseases and/or disorders, inflammatory diseases and/or disorder and/or conditions associated with inflammation and pain, proliferative diseases, hematopoietic disorders, haematological malignancies, bone disorders, fibrosis diseases and/or disorders, metabolic disorders, muscle diseases and/or disorders, respiratory diseases and/or disorders, pulmonary diseases and/or disorders, genetic developmental diseases and/or, neurological and neurodegenerative diseases and/or disorders, chronic inflammatory demyelinating neuropathies, cardiovascular, vascular or heart diseases and/or disorders, ophthalmic/ocular diseases and/or disorders, wound repair, infection and viral diseases. Therefore, inhibition of one or more kinases would have multiple therapeutic indications.
  • the terms "optional” or “optionally” mean that the subsequently described event or circumstance may occur or may not occur and that the description includes instances where the event or circumstance occurs as well as instances in which it does not.
  • “optionally substituted alkyl” refers to that 'alkyl' may be substituted as well as where the alkyl is not substituted.
  • substituents and substitution patterns on the compounds of the present invention can be selected by one of ordinary skilled person in the art to result chemically stable compounds which can be readily synthesized by techniques known in the art, as well as those methods set forth below, from readily available starting materials. If a substituent is itself substituted with more than one group, it is understood that these multiple groups may be on the same carbon or on different carbons, so long as a stable structure results.
  • the term "optionally substituted” refers to the replacement of one to six hydrogen radicals in a given structure with the radical of a specified substituent including, but not limited to: halo, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkenyl, alkynyl, aryl, heterocyclyl, amino, cyano, nitro, alkylamino, arylamino, alkylaminoalkyl, arylaminoalkyl, hydroxyl, hydroxyalkyl, cycloalkyl, aryl, heterocyclic and aliphatic. It is understood that the substituent may be further substituted.
  • alkyl refers to saturated aliphatic groups, including but not limited Ci-Cio straight-chain alkyl groups or Ci-Cio branched-chain alkyl groups.
  • the "alkyl” group refers to Ci-C 6 straight-chain alkyl groups or Ci-C 6 branched-chain alkyl groups.
  • the "alkyl” group refers to C 1 -C 4 straight-chain alkyl groups or C 1 -C 4 branched- chain alkyl groups.
  • alkyl examples include, but are not limited to, methyl, ethyl, 1 -propyl, 2-propyl, n-butyl, sec-butyl, tert-butyl, 1-pentyl, 2-pentyl, 3-pentyl, neo-pentyl, 1-hexyl, 2-hexyl, 3-hexyl, 1-heptyl, 2-heptyl, 3-heptyl, 4-heptyl, 1-octyl, 2-octyl, 3-octyl or 4-octyl and the like.
  • the "alkyl” group may be optionally substituted.
  • acyl refers to a group R-CO- wherein R is an alkyl group defined above.
  • R is an alkyl group defined above.
  • 'acyl' groups are, but not limited to, CH 3 CO-, CH 3 CH 2 CO-, CH 3 CH 2 CH 2 CO- or (CH 3 ) 2 CHCO-.
  • alkoxy refers to a straight or branched, saturated aliphatic Ci- C 10 hydrocarbon radical bonded to an oxygen atom that is attached to a core structure.
  • alkoxy groups have one to six carbon atoms. Examples of alkoxy groups include but are not limited to methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, tert-butoxy, pentoxy, 3- methyl butoxy and the like.
  • haloalkyl refers to alkyl group (as defined above) is substituted with one or more halogens.
  • a monohaloalkyl radical may have a chlorine, bromine, iodine or fluorine atom.
  • Dihalo and polyhaloalkyl radicals may have two or more of the same or different halogen atoms.
  • haloalkyl include, but are not limited to, chloromethyl, dichloromethyl, trichloromethyl, dichloroethyl, dichloropropyl, fluoromethyl, difluoromethyl, trifluoromethyl, pentafluoroethyl, heptafluoropropyl, difluorochloromethyl, dichlorofluoromethyl, difluoroethyl, difluoropropyl and the like.
  • haloalkoxy refers to radicals wherein one or more of the hydrogen atoms of the alkoxy groups are substituted with one or more halogens.
  • Representative examples of “haloalkoxy” groups include, but not limited to, difluoromethoxy (-OCHF 2 ), trifluoromethoxy (-OCF 3 ) or trifluoroethoxy (-OCH 2 CF 3 ).
  • aryl alone or in combination with other term(s) means a carbocyclic aromatic system containing one or two rings wherein such rings may be fused.
  • fused means that the second ring is attached or formed by having two adjacent atoms in common with the first ring.
  • fused is equivalent to the term “condensed”. Examples of aryl groups include but are not limited to phenyl, naphthyl, indanyl and the like. Unless otherwise specified, all aryl groups described herein may be substituted or unsubstituted.
  • amino refers to an -NH 2 group.
  • alkylamino refers to amino group wherein one of the hydrogen atom of amino group is replaced with alkyl group.
  • arylamino refers to amino group wherein one of hydrogen atoms is substituted with aryl group.
  • alkylaminoalkyl refers to alkyl group substituted with “alkylamino” group defined above.
  • arylaminoalkyl refers to arylamino group, as defined above, substituted with alkyl group.
  • nitro refers to an -N0 2 group.
  • alkylamino or “cycloalkylamino”, refer to an -N-group, wherein nitrogen atom of said group being attached to alkyl or cycloalkyl respectively.
  • Representative examples of an “Alkylamino” and “Cycloalkylamino” groups include, but are not limited to - NHCH 3 and -NH-cyclopropyl.
  • An amino group can be optionally substituted with one or more of the suitable groups.
  • aminoalkyl refers to an alkyl group, as defined above, wherein one or more of the alkyl group's hydrogen atom has been replaced with an amino group as defined above.
  • Representative examples of an aminoalkyl group include, but are not limited to -CH 2 NH 2 , - CH 2 CH 2 NH 2 , -CH(CH 3 )NH 2 , -CH 2 CH(CH 3 )NH 2 .
  • An aminoalkyl group can be unsubstituted or substituted with one or more suitable groups.
  • cycloalkyl alone or in combination with other term(s) means C 3 -Cio saturated cyclic hydrocarbon ring.
  • a cycloalkyl may be a single ring, which typically contains from 3 to 7 carbon ring atoms. Examples of single-ring cycloalkyls include cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and the like.
  • a cycloalkyl may alternatively be polycyclic or contain more than one ring. Examples of polycyclic cycloalkyls include bridged, fused and spirocyclic carbocyclyls.
  • cyano refers to -CN group.
  • hydroxy or “Hydroxyl” refers to -OH group.
  • hydroxyalkyl or "hydroxylalkyl” means alkyl substituted with one or more hydroxyl groups, wherein the alkyl groups are as defined above.
  • alkyl groups are as defined above.
  • examples of “hydroxyalkyl” include but are not limited to hydroxymethyl, hydroxyethyl, hydroxypropyl, propan-2-ol and the like.
  • halo or halogen alone or in combination with other term(s) means fluorine, chlorine, bromine or iodine.
  • heterocyclyl includes definitions of “heterocycloalkyl” and “heteroaryl”.
  • heterocycloalkyl refers to a non-aromatic, saturated or partially saturated, monocyclic or polycyclic ring system of 3 to 15 members having at least one heteroatom or heterogroup selected from O, N, S, S(O), S(0) 2 , NH or C(O) with the remaining ring atoms being independently selected from the group consisting of carbon, oxygen, nitrogen and sulfur.
  • Heterocycloalkyl include, but are not limited to azetidinyl, oxetanyl, imidazolidinyl, pyrrolidinyl, oxazolidinyl, thiazolidinyl, pyrazolidinyl, tetrahydrofuranyl, piperidinyl, piperazinyl, tetrahydropyranyl, morpholinyl, thiomorpholinyl,l,4-dioxanyl, dioxidothiomorpholinyl, oxapiperazinyl, oxapiperidinyl, tetrahydrofuryl, tetrahydropyranyl, tetrahydrothiophenyl, dihydropyranyl, indolinyl, indolinylmethyl, azepanyl, 2-aza- bicyclo[2.2.2]octanyl, azocinyl, chromanyl, xantheny
  • heterocycloalkyl refers to 4- to 7-membered ring selected from the group consisting of azetidinyl, oxetanyl, imidazolidinyl, pyrrolidinyl, oxazolidinyl, thiazolidinyl, pyrazolidinyl, tetrahydrofuranyl, piperidinyl, piperazinyl, tetrahydropyranyl, morpholinyl, thiomorpholinyl, 1,4-dioxanyl, azepanyl and N-oxides thereof.
  • heterocycloalkyl includes azetidinyl, pyrrolidinyl, morpholinyl, piperidinyl or azepanyl. All heterocycloalkyl are optionally substituted by one or more aforesaid groups.
  • heteroaryl refers to an aromatic heterocyclic ring system containing 5 to 20 ring atoms, suitably 5 to 10 ring atoms, which may be a single ring (monocyclic) or multiple rings (bicyclic, tricyclic or polycyclic) fused together or linked covalently.
  • heteroaryl is a 5- to 6-membered ring.
  • the rings may contain from 1 to 4 heteroatoms selected from N, O and S, wherein the N or S atom is optionally oxidized, or the N atom is optionally quarternized. Any suitable ring position of the heteroaryl moiety may be covalently linked to the defined chemical structure.
  • heteroaryl examples include, but are not limited to: furanyl, thienyl, pyrrolyl, pyrazolyl, imidazolyl, oxazolyl, cinnolinyl, isoxazolyl, thiazolyl, isothiazolyl, lH-tetrazolyl, oxadiazolyl, triazolyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, benzoxazolyl, benzisoxazolyl; benzothiazolyl, benzofuranyl, benzothienyl, benzotriazinyl, phthalazinyl, thianthrene, dibenzofuranyl, dibenzothienyl, benzimidazolyl, indolyl, isoindolyl, indazolyl, quinolinyl, isoquinolinyl, quinazolinyl, quinoxal
  • heteroaryl refers to 5- to 6-membered ring selected from the group consisting of furanyl, thiophene, pyrrolyl, pyrazolyl, imidazolyl, oxazolyl, cinnolinyl, isoxazolyl, thiazolyl, isothiazolyl, lH-tetrazolyl, oxadiazolyl, triazolyl, pyridyl, pyrimidinyl, pyrazinyl and pyridazinyl. More preferably, pyrazolyl, pyridyl, oxazolyl and furanyl. All heteroaryls are optionally substituted by one or more aforesaid groups.
  • phrases “pharmaceutically acceptable” refers to compounds or compositions that are physiologically tolerable and do not typically produce allergic or similar untoward reaction, including but not limited to gastric upset or dizziness when administered to mammal.
  • pharmaceutically acceptable salt refers to a product obtained by reaction of the compound of the present invention with a suitable acid or a base.
  • Pharmaceutically acceptable salts of the compounds of this invention include those derived from suitable inorganic bases such as Li, Na, K, Ca, Mg, Fe, Cu, Al, Zn and Mn salts;
  • suitable inorganic bases such as Li, Na, K, Ca, Mg, Fe, Cu, Al, Zn and Mn salts
  • suitable inorganic bases such as Li, Na, K, Ca, Mg, Fe, Cu, Al, Zn and Mn salts
  • Examples of pharmaceutically acceptable, nontoxic acid addition salts are salts of an amino group formed with inorganic acids such as hydrochloride, hydrobromide, hydroiodide, nitrate, sulfate, bisulfate, phosphate, isonicotinate, acetate, lactate, salicylate, citrate, tartrate, pantothenate, bitartrate, ascorbate, succinate, maleate
  • Certain compounds of the invention can form pharmaceutically acceptable salts with various organic bases such as lysine, arginine, guanidine, diethanolamine or metformin.
  • Suitable base salts include, but are not limited to, aluminum, calcium, lithium, magnesium, potassium, sodium, or zinc, salts.
  • stereoisomer is a term used for all isomers of individual compounds of formula (I) that differ only in the orientation of their atoms in space.
  • stereoisomer includes mirror image isomers (enantiomers) of compound of formula (I), mixtures of mirror image isomers (racemates, racemic mixtures) compound of formula (I), geometric (cis/trans or E/Z, R/S) isomers compound of formula (I) and isomers of compound of formula (I) with more than one chiral center that are not mirror images of one another (diastereoisomers).
  • composition is intended to encompass a product comprising the specified ingredients in the specified amounts, as well as any product which results, directly or indirectly, from combination of the specified ingredients in the specified amounts.
  • pharmaceutical composition refers to a composition(s) containing a therapeutically effective amount of at least one compound of formula (I) or its pharmaceutically acceptable salt; and a conventional pharmaceutically acceptable carrier.
  • composition(s) of the present invention can be administered orally, for example in the form of tablets, coated tablets, pills, capsules, granules or elixirs. Administration, however, can also be carried out rectally, for example in the form of suppositories, or parenterally, for example intravenously, intramuscularly or subcutaneously, in the form of injectable sterile solutions or suspensions, or topically, for example in the form of ointments or creams or transdermals, in the form of patches, or in other ways, for example in the form of aerosols or nasal sprays.
  • the pharmaceutical composition(s) usually contain(s) about 1% to 99%, for example, about 5% to 75%, or from about 10% to about 30% by weight of the compound of formula (I) or pharmaceutically acceptable salts thereof.
  • the amount of the compound of formula (I) or pharmaceutically acceptable salts thereof in the pharmaceutical composition(s) can range from about 1 mg to about 1000 mg or from about 2.5 mg to about 500 mg or from about 5 mg to about 250 mg or in any range falling within the broader range of 1 mg to 1000 mg or higher or lower than the afore mentioned range.
  • the term "pharmaceutically acceptable carrier” refers to any of the standard pharmaceutical carriers, such as a phosphate buffered saline solution, water, emulsions ⁇ e.g., such as an oil/water or water/oil emulsions) and various types of wetting agents.
  • the compositions also can include stabilizers and preservatives.
  • the examples of carriers, stabilizers and adjuvant are mentioned in literature like, Martin, Remington's Pharmaceutical Sciences, 15th Ed., Mack Publ. Co., Easton, PA [1975].
  • treatment'V'treating means any treatment of a disease in a mammal, including: (a) Inhibiting the disease, i.e., slowing or arresting the development of clinical symptoms; and/or (b) Relieving the disease, i.e., causing the regression of clinical symptoms and/or (c) alleviating or abrogating a disease and/or its attendant symptoms.
  • prevent refers to a method of preventing the onset of a disease and/or its attendant symptoms or barring a subject from acquiring a disease.
  • prevent also include delaying the onset of a disease and/or its attendant symptoms and reducing a subject's risk of acquiring a disease.
  • the term "subject” refers to an animal, preferably a mammal and most preferably a human.
  • terapéuticaally effective amount refers to an amount of a compound of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof; or a composition comprising the compound of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof, effective in producing the desired therapeutic response in a particular patient suffering from a disease or disorder mediated by kinase enzymes, particularly IRAK or IRAK4 enzyme.
  • the term "therapeutically effective amount” includes the amount of the compound of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof, when administered, that induces a positive modification in the disease or disorder to be treated or is sufficient to prevent development of, or alleviate to some extent, one or more of the symptoms of the disease or disorder being treated in a subject.
  • the amount of the compound used for the treatment of a subject is low enough to avoid undue or severe side effects, within the scope of sound medical judgment can also be considered.
  • the therapeutically effective amount of the compound or composition will be varied with the particular condition being treated, the severity of the condition being treated or prevented, the duration of the treatment, the nature of concurrent therapy, the age and physical condition of the end user, the specific compound or composition employed and the particular pharmaceutically acceptable carrier utilized.
  • the present invention provides the compound of formula (I);
  • Xi and X 3 independently are CH or N;
  • X 2 is CR 2 or N; provided one and not more than one of Xi, X 2 or X 3 is N;
  • A is O or S
  • Y is -CH 2 - or O
  • Ring Z is aryl or heterocyclyl
  • Ri at each occurrence, is independently halo or optionally substituted heterocyclyl; wherein the substituent is alkyl, alkoxy, aminoalkyl, halo, hydroxyl, hydroxyalkyl or -NR a R t> ;
  • R 2 is hydrogen, optionally substituted cycloalkyl, optionally substituted aryl, optionally substituted heterocyclyl or -NR a R t ,; wherein the substituent is alkyl, amino, halo or hydroxyl;
  • R 3 at each occurrence, is alkyl or hydroxyl
  • R a and R are independently hydrogen, alkyl, acyl or heterocyclyl
  • 'm' and 'n' are independently 0, 1 or 2;
  • 'p' is 0 or 1.
  • R 2 are as defined in compound of formula (I).
  • the compound of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof wherein the Ring Z is phenyl, oxazolyl, furanyl, thienyl or pyridyl; each of which is optionally substituted with one or more Ri.
  • the compound of formula (I) is a compound of formula (IA):
  • the compound of formula (I) is a compound of formula (IB):
  • the compound of formula (I) is a compound of formula (IC):
  • Ri is optionally substituted heterocyclyl; wherein the substituent is alkyl, alkoxy, aminoalkyl, halo, hydroxyl, hydroxyalkyl or -NR a Rt,; R a and R are independently hydrogen, alkyl or acyl.
  • Ri is pyridyl, pyrazolyl, pyrrolidinyl or piperidinyl; each of which is optionally substituted with alkyl, alkoxy, halo, hydroxyl, hydroxyalkyl or -NR a Rt,; R a and R are independently hydrogen or acyl.
  • R 2 is optionally substituted heterocyclyl; wherein the substituent is alkyl, amino, halo or hydroxyl.
  • R 2 is piperidinyl, pyrrolidinyl, morpholinyl, piperazinyl, azetidinyl, pyrazolyl, furanyl, pyridyl, azepanyl or azabicyclo[3.2.1]octanyl; wherein the substituent is alkyl, amino, halo or hydroxyl.
  • R 2 is -NR a R b ; wherein R a and R b are independently hydrogen or pyrrolidinyl.
  • A is O or S; Y is -CH 2 - or O; Ri is halo, pyridyl, pyrazolyl, pyrrolidinyl each of which is optionally substituted with alkyl, alkoxy, halo, hydroxyl, hydroxyalkyl or -NR a R b ; R 2 is hydrogen, optionally substituted cycloalkyl, optionally substituted aryl, optionally substituted heterocyclyl or -NR a R b ; wherein the substituent is alkyl, amino, halo or hydroxyl; R a and R b are independently hydrogen or alkyl.
  • A is O or S; Y is -CH 2 - or O; Ri is pyridyl, pyrazolyl, pyrrolidinyl; each of which is optionally substituted with alkyl, hydroxyl, hydroxyalkyl or -NR a Rt,; R a and R are independently hydrogen; R 2 is hydrogen, optionally substituted cycloalkyl, optionally substituted aryl, optionally substituted heterocyclyl or -NR a Rt,; wherein the substituent is alkyl, amino, halo or hydroxyl; R a and R are independently hydrogen, alkyl, acyl or heterocyclyl.
  • the present invention relates to a process for preparing bicyclic heterocyclyl derivatives of formula (I).
  • the present invention relates to a pharmaceutical composition, comprising at least one compound of formula (I), or a pharmaceutically acceptable salt or a stereoisomer thereof and a pharmaceutically acceptable carrier or excipient.
  • the present invention provides a method of treating IRAK4 mediated disorders or diseases or condition in a subject comprising administering a therapeutically effective amount of a compound of formula (I).
  • the IRAK4-mediated disorder or disease or condition is selected from the group consisting of cancer, an inflammatory disorder, an autoimmune disease, metabolic disorder, a hereditary disorder, a hormone-related disease, immunodeficiency disorders, a condition associated with cell death, a destructive bone disorder, thrombin-induced platelet aggregation, liver disease and a cardiovascular disorder.
  • the cancer is selected the group consisting of a solid tumor, benign or malignant tumor, carcinoma of the brain, kidney, liver, stomach, vagina, ovaries, gastric tumors, breast, bladder colon, prostate, pancreas, lung, cervix, testis, skin, bone or thyroid; sarcoma, glioblastomas, neuroblastomas, multiple myeloma, gastrointestinal cancer, a tumor of the neck and head, an epidermal hyperproliferation, psoriasis, prostate hyperplasia, a neoplasia, adenoma, adenocarcinoma, keratoacanthoma, epidermoid carcinoma, large cell carcinoma, non-small-cell lung carcinoma, lymphomas, Hodgkins and Non-Hodgkins, a mammary carcinoma, follicular carcinoma, papillary carcinoma, seminoma, melanoma; hematological malignancies selected from leukemia, diffuse large B-cell lymphom
  • the inflammatory disorder is selected from the group consisting of ocular allergy, conjunctivitis, keratoconjunctivitis sicca, vernal conjunctivitis, allergic rhinitis, autoimmune hematological disorders (e.g.
  • hemolytic anemia aplastic anemia, pure red cell anemia and idiopathic thrombocytopenia
  • systemic lupus erythematosus rheumatoid arthritis, polychondritis, scleroderma, Wegener granulamatosis, dermatomyositis, chronic active hepatitis, myasthenia gravis, Steven- Johnson syndrome, idiopathic sprue, autoimmune inflammatory bowel disease (e.g.
  • ulcerative colitis and Crohn's disease irritable bowel syndrome, celiac disease, periodontitis, hyaline membrane disease, kidney disease, glomerular disease, alcoholic liver disease, multiple sclerosis, endocrine opthalmopathy, Grave's disease, sarcoidosis, alveolitis, chronic hypersensitivity pneumonitis, primary biliary cirrhosis, uveitis (anterior and posterior), Sjogren's syndrome, interstitial lung fibrosis, psoriatic arthritis, systemic juvenile idiopathic arthritis, nephritis, vasculitis, diverticulitis, interstitial cystitis, glomerulonephritis (e.g.
  • idiopathic nephrotic syndrome or minimal change nephropathy including idiopathic nephrotic syndrome or minimal change nephropathy), chronic granulomatous disease, endometriosis, leptospirosis renal disease, glaucoma, retinal disease, headache, pain, complex regional pain syndrome, cardiac hypertrophy, muscle wasting, catabolic disorders, obesity, fetal growth retardation, hypercholesterolemia, heart disease, chronic heart failure, mesothelioma, anhidrotic ecodermal dysplasia, Behcet's disease, incontinentia pigmenti, Paget's disease, pancreatitis, hereditary periodic fever syndrome, asthma, acute lung injury, acute respiratory distress syndrome, eosinophilia, hypersensitivities, anaphylaxis, fibrositis, gastritis, gastroenteritis, nasal sinusitis, ocular allergy, silica induced diseases, chronic obstructive pulmonary disease (COPD), cyst
  • the present invention provides a compound or a pharmaceutically acceptable salt or a stereoisomer thereof, for use for the treatment of a cancer, an inflammatory disorder, a an autoimmune disease, metabolic disorder, a hereditary disorder, a hormone -related disease, immunodeficiency disorders, a condition associated with cell death, a destructive bone disorder, thrombin-induced platelet aggregation, liver disease and a cardiovascular disorder.
  • the present invention relates to a use of the compound of formula (I), or a pharmaceutically acceptable salt or a stereoisomer thereof, in the manufacture of a medicament for the treatment of a cancer, an inflammatory disorder, a an autoimmune disease, metabolic disorder, a hereditary disorder, a hormone-related disease, immunodeficiency disorders, a condition associated with cell death, a destructive bone disorder, thrombin-induced platelet aggregation, liver disease and a cardiovascular disorder.
  • the neurodegenerative disease is selected from the group consisting of Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, Huntington's disease, cerebral ischemia and neurodegenerative disease caused by traumatic injury, glutamate neurotoxicity, hypoxia, epilepsy and graft versus host disease.
  • An embodiment of the present invention provides the IRAK4 inhibitor compounds according to formula (I) may be prepared from readily available starting materials using the following general methods and procedures. It will be appreciated that where typical or preferred experimental conditions (i.e. reaction temperatures, time, moles of reagents, solvents etc.) are given, other experimental conditions can also be used unless otherwise stated.
  • Optimum reaction conditions may vary with the particular reactants or solvents used, but such conditions can be determined by the person skilled in the art, using routine optimisation procedures. Moreover, by utilizing the procedures described in detail, one of ordinary skill in the art can prepare additional compounds of the present invention claimed herein. All temperatures are in degrees Celsius (°C) unless otherwise noted.
  • the compounds of the present invention can also contain unnatural proportions of atomic isotopes at one or more of the atoms that constitute such compounds.
  • the present invention also embraces isotopically-labeled variants of the present invention which are identical to those recited herein, but for the fact that one or more atoms of the compounds are replaced by an atom having the atomic mass or mass number different from the predominant atomic mass or mass number usually found in nature for the atom. All isotopes of any particular atom or element as specified are contemplated within the scope of the compounds of the invention and their uses.
  • Exemplary isotopes that can be incorporated in to compounds of the invention include isotopes of hydrogen, carbon, nitrogen, oxygen, phosphorous, sulfur, fluorine, chlorine and iodine, such as 2 H ("D"), 3 H, n C, 13 C, 14 C, 13 N, 15 N, 15 0, 17 0, 18 0, 32 P, 33 P, 35 S, 18 F, 36 C1, 123 I and 125 I.
  • Isotopically labeled compounds of the present inventions can generally be prepared by following procedures analogous to those disclosed in the Schemes and/or in the Examples herein below, by substituting an isotopically labeled reagent for a non-isotopically labeled reagent.
  • MS (Mass Spectral) data provided in the examples were obtained using the equipments- API 2000 LC/MS/MS/Triplequad,
  • HC1 (l-(3-Dimethyl aminopropyl)-3-carbodiimide hydrochloride); EtOAc (Ethyl acetate); EtOH (Ethanol); Fe (Iron powder); g (gram); H or H 2 (Hydrogen); H 2 0 (Water); HATU (1- [Bis(dimethylamino)methylene]-lH-l,2,3-triazolo[4,5-b]pyridinium 3-oxid hexafluorophosphate); HOBt (1-Hydroxy benzotriazole); H 2 S0 4 (Sulphuric acid); HC1 (Hydrochloric acid or Hydrochloride salt); h or hr (Hours); Hz (Hertz); HPLC (High- performance liquid chromatography); J (Coupling constant); K 2 C0 3 (Potassium carbonate); KOAc (Potassium Acetate); KN0 3 (Potassium nitrate); Li
  • Step 1 Preparation of tert-butyl (5-bromopyridin-2-yl)carbamate
  • Step 2 Preparation of tert-butyl (5-(4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2-yl)pyridin-2- yl)carbamate
  • 6-bromopicolinic acid (2g, 9.9 mmol) was coupled with ammonium chloride (787mg, 14.851 mmol) using EDCI.HC1 (2.8g, 14.851 mmol), HOBt (2.0g, 14.851 mmol) and DIPEA (3.8g, 29.750 mmol) in DMF (lOmL) to get the crude product.
  • the resultant crude was purified using 60-120 silica- gel column chromatography and compound was eluted using 50% ethyl acetate in hexane as eluent to afford the title compound (2.0g, 100%).
  • Step 2 Preparation of tert-butyl (6-carbamoyl-[2,3'-bipyridin]-6'-yl)carbamate
  • 6- bromopicolinamide (2.0g, 9.95 mmol) was coupled with tert-butyl (5-(4,4,5,5-tetramethyl- 1,3,2- dioxaborolan-2-yl)pyridin-2-yl)carbamate (intermediate 1) (3.8g, 11.94 mmol) using sodium carbonate (3.2g, 29.85 mmol) and Pd(PPh 3 ) 2 Cl 2 (363mg, 0.5 mmol) in 1 ,2-dimethoxyethane (lOmL) to get the crude product.
  • the resultant crude was purified by 60-120 silica gel column chromatography using 2% methanol in DCM as eluent to obtain the title compound (2.8g, 90.3%).
  • methyl 6- bromopicolinate (900mg, 4.166 mmol) was coupled with l-(tetrahydro-2H-pyran-2-yl)-4- (4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2-yl)-lH-pyrazole (1.39g, 5 mmol) using sodium carbonate (1.324g, 12.49 mmol) and Pd(PPh 3 ) 2 Cl 2 (339mg, 0.416 mmol) in 1 ,2-dimethoxyethane (lOmL) to get the crude product.
  • methyl 6- bromopicolinate (3.5g, 16.28 mmol) was coupled with l-methyl-4-(4,4,5,5-tetramethyl-l,3,2- dioxaborolan-2-yl)-lH-pyrazole (4.06g, 19.53 mmol) using sodium carbonate (5.177g, 48.846 mmol) and Pd(dppf)Ci2 (1.328g, 1.628 mmol) in 1 ,2-dimethoxyethane (20mL) to get the crude product.
  • 6-(l -methyl - lH-pyrazol-4-yl)picolinic acid (1.2g, 5.529 mmol) was hydrolysed using lithium hydroxide (696mg, 16.58 mmol) in THF/methanol (8/2 mL) at RT for 2h to obtain the title compound (900mg, 80.3%).
  • Step 1 Preparation of methyl 3-(4-(((tert-butoxycarbonyl)amino)methyl)piperidin-l-yl)-5- fluorobenzoate Using the same reaction conditions as described in step 4 of example 12, methyl 3- bromo-5-fluorobenzoate (lOOmg, 0.429 mmol) was coupled with tert-butyl (piperidin-4- ylmethyl)carbamate (HOmg, 0.515 mmol) using cesium carbonate (209mg, 0.643 mmol), xantphos (14mg, 0.025 mmol) and Pd 2 (dba)3 (8mg, 0.0085 mmol) in toluene (5mL) to get the crude product.
  • cesium carbonate (209mg, 0.643 mmol
  • xantphos 14mg, 0.025 mmol
  • Pd 2 (dba)3 8mg, 0.0085 mmol
  • Step 2 Preparation of 3-(4-(((tert-butoxycarbonyl)amino)methyl)piperidin-l-yl)-5- fluorobenzoic acid
  • Step 1 Preparation of methyl 2-(4-(((tert-butoxycarbonyl)amino)methyl)piperidin-l-yl)-5- fluorobenzoate
  • methyl 2,5- difluorobenzoate (lg, 4.6 mmol) was coupled with tert-butyl (piperidin-4-ylmethyl)carbamate (803mg, 4.6 mmol) using potassium carbonate (1.289mg, 9.3 mmol), in DMF (lOmL) at 90°C overnight to get the crude product.
  • the resultant crude was purified by 60-120 silica gel column chromatography using ethyl acetate in hexane as eluent to obtain the title compound (300mg, 20%).
  • Step 1 Preparation of ethyl 2-(6-fluoropyridin-3-yl)oxazole-4-carboxylate
  • step 2 of intermediate 5 ethyl 2-(6- fluoropyridin-3-yl)oxazole-4-carboxylate (300mg, 0.127 mmol) was hydrolysed using lithium hydroxide (160mg, 3.91 mmol) in THF/methanol/water (5/l/2mL) at RT for 2h to obtain the title compound (160mg, 57.3%).
  • ethyl 2-(2- methylpyridin-3-yl)oxazole-4-carboxylate (lg, 4.3 mmol) was hydrolysed using lithium hydroxide (542mg, 12.9 mmol) in THF/water (25/4mL) at RT for 2h to obtain the title compound (550mg, 62.5%).
  • Step 1 Preparation of ethyl 2-(2-fluoropyridin-3-yl)oxazole-4-carboxylate
  • step 2 of intermediate 5 ethyl 2-(6- fluoropyridin-3-yl)oxazole-4-carboxylate (product of step 1 of intermediate 7) (400mg, 1.69 mmol) was hydrolysed using lithium hydroxide (400mg, 10.3 mmol) in THF/water (2/2mL) at RT for 2h to obtain the crude title compound (300mg).
  • LCMS: m/z 207.1 (M+l) + .
  • Step 1 Preparation of ethyl (S)-2-(3-((tert-butoxycarbonyl)amino)pyrrolidin-l-yl)oxazole- 4-carboxylate
  • Step 2 Preparation of (S)-2-(3-((tert-butoxycarbonyl)amino)pyrrolidin-l-yl)oxazole-
  • ethyl (S)-2- (3-((tert-butoxycarbonyl)amino)pyrrolidin-l-yl)oxazole-4-carboxylate (170mg, 0.5224 mmol) was hydrolysed using lithium hydroxide (33mg, 0.7837 mmol) in THF/methanol/water (10/l/2mL) at RT for 12h to obtain the title compound (150mg, 96.77%).
  • LCMS: m/z 242.0(M- t-butyl+l) + .
  • step 1 of intermediate 14 ethyl 2- chlorooxazole-4-carboxylate (500mg, 2.8490 mmol) was reacted with (S)-pyrrolidin-3-ol (298mg, 3.4188 mmol) using, sodium carbonate (453mg, 4.2735 mmol) in DMF (lOmL) to get the title compound (535mg, 83.07%).
  • Step 2 Preparation of ethyl (S)-2-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)oxazole-4- carboxylate
  • ethyl(S)-2-(3- hydroxypyrrolidin-l-yl)oxazole-4-carboxylate (535mg, 2.3672 mmol) was protected using TBDMS chloride (429mg, 2.8407 mmol), imidazole (396mg, 5.8072 mmol) and DMAP (29mg, 0.2367 mmol) in DMF (5mL) at RT for 2h to get the crude product.
  • the resultant crude was purified by 60-120 silica gel column chromatography using 20% ethyl acetate in hexane as eluent to obtain the title compound (520mg, 64.5%).
  • LCMS: m/z 341.2 (M+l) + .
  • Step 3 Preparation of (S)-2-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)oxazole-4- carboxylic acid
  • ethyl (S)-2- (3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)oxazole-4-carboxylate (520mg, 1.5294 mmol) was hydrolysed using lithium hydroxide (97mg, 2.2941 mmol) in THF/methanol/water (10/5/5mL) at RT for 2h to obtain the title compound (350mg, 73.37%).
  • Step 1 Preparation of ethyl 2-(l-(tetrahydro-2H-pyran-2-yl)-lH-pyrazol-4- yl)oxazole-4-carboxylate
  • l-(tetrahydro-2H- pyran-2-yl)-4-(4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2-yl)-lH-pyrazole (273mg, 0.982 mmol) was coupled with ethyl 2-chlorooxazole-4-carboxylate (125mg, 0.892 mmol) using sodium carbonate (283mg, 2.676 mmol) and Pd(dppf)Cl 2 (65mg, 0.089 mmol) in 1,2- dimethoxyethane/water (5/1 mL) to get the crude product.
  • Step 2 Preparation of 2-(l-(tetrahydro-2H-pyran-2-yl)-lH-pyrazol-4-yl)oxazole-4- carboxylic acid
  • step 2 of intermediate 5 ethyl 2-(l- (tetrahydro-2H-pyran-2-yl)-lH-pyrazol-4-yl)oxazole-4-carboxylate (200mg, 0.784 mmol) was hydrolysed using lithium hydroxide (50mg, 1.176 mmol) in THF/methanol/water (5/2/lmL) at RT for lh to obtain the title compound (206mg, 100%).
  • LCMS: m/z 263.9 (M+l) + .
  • Step 1 Preparation of methyl 5-(2-methylpyridin-4-yl)thiophene-2-carboxylate
  • methyl 5- bromothiophene-2-carboxylate (460mg, 2.08 mmol) was coupled with 2-methyl-4-(4,4,5,5- tetramethyl-l,3,2-dioxaborolan-2-yl)pyridine (680mg, 3.10 mmol) using potassium carbonate (576mg, 4.17 mmol) TBAB (lOOmg, 0.310 mmol) and Pd(dppf)Cl 2 (108mg, 0.1538 mmol) in dioxane/water (10/3mL) to get the crude product.
  • step 2 of intermediate 5 5-(2-methylpyridin- 4-yl)thiophene-2-carboxylate (550mg, 2.36 mmol) was hydrolysed using lithium hydroxide (200mg, 4.72 mmol) in THF/methanol/water (10/5/5 mL) at 50°C for 15 min to obtain the title compound (501mg, 97%).
  • LCMS: m/z 220.0 (M+l) + .
  • Step 1 Preparation of methyl 5-(2-methylpyridin-4-yl)furan-2-carboxylate Using the similar reaction conditions as described in step 7 of example 1, methyl 5- bromofuran-2-carboxylate (214mg, 1.0406 mmol) was coupled with 2-methyl-4-(4,4,5,5- tetramethyl-l,3,2-dioxaborolan-2-yl)pyridine (340mg, 1.561 mmol) using potassium carbonate (288mg, 2.08 mmol) TBAB (50mg, 0.156 mmol) and Pd(dppf)Cl 2 (54mg, 0.078 mmol) in dioxane/water (10/3mL) to get the crude product.
  • potassium carbonate 288mg, 2.08 mmol
  • TBAB 50mg, 0.156 mmol
  • Pd(dppf)Cl 2 54mg, 0.078 mmol
  • methyl 5-(2- methylpyridin-4-yl)furan-2-carboxylate (300mg, 1.38 mmol) was hydrolysed using lithium hydroxide (116mg, 2.76 mmol) in THF/methanol/water (10/5/5 mL) at 50°C for 0.25h to obtain the title compound (260mg, 92.8%).
  • Step 1 Preparation of ethyl 2-(2-((tert-butoxycarbonyl)amino)pyridin-4-yl)oxazole-
  • tert-butyl (5- (4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2-yl)pyridin-2-yl)carbamate (487mg, 1.5223 mmol) was coupled with ethyl 2-chlorooxazole-4-carboxylate (165mg, 1.1710 mmol) using sodium carbonate (373mg, 3.5131 mmol) and Pd(dppf)Cl 2 (43mg, 0.0585 mmol) in 1,2- dimethoxyethane/water (10/5mL) to get the crude product.
  • step 2 of intermediate 5 ethyl 2-(2- ((tert-butoxycarbonyl)amino)pyridin-4-yl)oxazole-4-carboxylate (145mg, 0.4349 mmol) was hydrolysed using 10% sodium hydroxide solution (ImL) in THF/methanol/water (10/5/2mL) at RT for lOmin to obtain the title compound (75mg, 56.81%).
  • Step 1 Preparation of ethyl 2-(2-acetamidopyridin-4-yl)oxazole-4-carboxylate
  • N-(5-(4,4,5,5- tetramethyl-l,3,2-dioxaborolan-2-yl)pyridin-2-yl)acetamide (2.78g, 10.04 mmol) was coupled with ethyl 2-chlorooxazole-4-carboxylate (lg, 7.09 mmol) using sodium carbonate (106mg, 21.2 mmol) and Pd(dppf)Cl 2 (259mg, 0.354 mmol) in 1,2-dimethoxyethane/water (30/5mL) to get the crude product.
  • ethyl 2-(2- acetamidopyridin-4-yl)oxazole-4-carboxylate (500mg, 1.81 mmol) was hydrolysed using lithium hydroxide (84mg, 2 mmol) in THF/methanol/water (10/l/5mL) at RT for 4h to obtain the title compound (360mg, 81.08%).
  • step 2 of intermediate 5 ethyl 2-(2- acetamidopyridin-4-yl)oxazole-4-carboxylate (product of step 1 of intermediate 20) (900mg, 3.27 mmol) was hydrolysed using lithium hydroxide (329mg, 7.85 mmol) in THF/methanol/water (30/l/5mL) at RT for 4h to obtain the title compound (750mg, 96%).
  • N-(5-(4,4,5,5- tetramethyl-l,3,2-dioxaborolan-2-yl)pyridin-2-yl)acetamide (1.91g, 7.317 mmol) was coupled with methyl 5-bromofuran-2-carboxylate (lg, 4.87 mmol) using sodium carbonate (1.54g, 14.61 mmol) and Pd(dppf)Cl 2 (178mg, 0.243 mmol) in 1 ,2-dimethoxyethane/water (20/4mL) at 80°C for 3h to get the crude product.
  • Step 7 Preparation of tert-butyl (6-((2-morpholinooxazolo[4,5-b]pyridin-6-yl)carbamoyl)- [2,3 ' -bipyridin] -6 ' -yl)carbamate
  • Step 8 6'-amino-N-(2-morpholinooxazolo[4,5-b]pyridin-6-yl)-[2,3'-bipyridine]-6- carboxamide
  • Step 4 Preparation of 5-chloro-2-morpholinooxazolo[4,5-b]pyridine Using the same reaction conditions as described in step 3 of example 1, 5-chloro-2- (methylthio)oxazolo[4,5-b]pyridine was substituted using morpholine (2mL) and THF (lOmL) to afford the title compound (750mg, 88%).
  • Step 8 Preparation of 6-bromo-N-(5-cyclopropyl-2-morpholinooxazolo[4,5- b]pyridin-6-yl)picolinamide
  • Step 9 Preparation of tert-butyl (6-((5-cyclopropyl-2-morpholinooxazolo[4,5- b]pyridin-6-yl)carbamoyl)-[2,3'-bipyridin]-6'-yl)carbamate Using the same reaction conditions as described in step 7 of example 1, 6-bromo-N-(5- cyclopropyl-2-morpholinooxazolo[4,5-b]pyridin-6-yl)picolinamide (75mg, 0.169 mmol) was coupled with tert-butyl (5-(4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2-yl)pyridin-2-yl)carbamate (65mg, 0.203 mmol) (intermediate 1) using sodium carbonate (53mg, 0.507 mmol) and Pd(PPh 3 ) 2 Cl 2 (7mg, 0.0084 mmol) in 1,2-dimeth
  • Step 10 Preparation of 6'-amino-N-(5-cyclopropyl-2-morpholinooxazolo[4,5- b]pyridin-6-yl)-[2,3'-bipyridine]-6-carboxamide
  • tert-butyl (6-((5- cyclopropyl-2-morpholinooxazolo[4,5-b]pyridin-6-yl)carbamoyl)-[2,3'-bipyridin]-6'- yl)carbamate (50mg, 0.089 mmol) was deprotected using methanolic HC1 (5mL) to get the crude product. This was then purified by prep HPLC to get the title compound (40mg, 90%).
  • Step 5 Preparation of N-(2,5-di(piperidin-l-yl)oxazolo[4,5-b]pyridin-6-yl)-6-(l-(tetrahydro- 2H-pyran-2-yl)-lH-pyrazol-4-yl)picolinamide
  • Step 6 Preparation of N-(2,5-di(piperidin-l-yl)oxazolo[4,5-b]pyridin-6-yl)-6-(lH- pyrazol-4-yl)picolinamide hydrochloride
  • N-(2,5- di(piperidin-l-yl)oxazolo[4,5-b]pyridin-6-yl)-6-(l-(tetrahydro-2H-pyran-2-yl)-lH-pyrazol-4- yl)picolinamide (lOOmg, 0.179 mmol) was deprotected using methanolic HC1 to get the crude product. This was then purified by prep HPLC to get the title compound (40mg, 50%).
  • Step 3 Preparation of N-(2-morpholino-5-(piperidin-l-yl)oxazolo[4,5-b]pyridin-6-yl)-6-(l- (tetrahydro-2H-pyran-2-yl)-lH-pyrazol-4-yl)picolinamide
  • Step 4 Preparation of N-(2-morpholino-5-(piperidin-l-yl)oxazolo[4,5-b]pyridin-6- yl)-6-(lH-pyrazol-4-yl)picolinamide
  • N-(2- morpholino-5-(piperidin-l-yl)oxazolo[4,5-b]pyridin-6-yl)-6-(l-(tetrahydro-2H-pyran-2-yl)-lH- pyrazol-4-yl)picolinamide 60mg, 0.107 mmol
  • methanolic HC1 2mL
  • Step 2 Preparation of (S)-tert-butyl 3-((6-amino-2-morpholinooxazolo[4,5-b]pyridin-5- yl)amino)pyrrolidine- 1 -carboxylate
  • Step 3 Preparation of (S)-tert-butyl 3-((6-(2-(2-methylpyridin-4-yl)oxazole-4- carboxamido)-2-morpholinooxazolo[4,5-b]pyridin-5-yl)amino)pyrrolidine-l-carboxylate
  • Step 4 Preparation of (S)-2-(2-methylpyridin-4-yl)-N-(2-morpholino-5-(pyrrolidin-3- ylamino)oxazolo[4,5-b]pyridin-6-yl)oxazole-4-carboxamide
  • 6-chloro-3- nitropyridin-2-ol (l.Og, 5.747 mmol was reduced with zinc dust (3.0g ,45.977 mmol) and ammonium chloride (4.92g, 91.952 mmol) in THF/methanol/tkO (20m/4mL/2mL) to get the crude product.
  • the resultant crude was purified by 60-120 silica gel column chromatography using 10% methanol in DCM as eluent to obtain the title compound (500mg, 60.97%).
  • Step-1 Synthesis of 6-chloro thiazolo[4,5-c]pyridine-2(3H)-thione
  • Step-2 Synthesis of 4-(6-chloro thiazolo[4,5-c]pyridin-2-yl) morpholine
  • Step-3 Synthesis of 6'-amino-/V-(2-morpholino thiazolo [4,5-c]pyridin-6-yl)-[2,3'- bipyridine]-6-carboxamide
  • the resultant crude was purified by 60-120 silica gel column chromatography using 2% methanol in DCM as eluent. Further the resultant crude was purified by prep HPLC to afford title compound (0.01 g, 6 %) as an off-white solid.
  • 2,6- dichloropyridin-3-amine (5g, 30 mmol) was cyclised using potassium ethyl xanthate (9.81g, 61 mmol) in NMP (40mL) at 150°C for overnight to afford the title compound (5.5gr, 92% ).
  • Step 3 Preparation of 6'-amino-N-(2-morpholinothiazolo[5,4-b]pyridin-5-yl)-[2,3'- bipyridine]-6-carboxamide
  • 3-bromopyridin- 2-amine (5gr, 28 mmol) was cyclised using potassium ethyl xanthate (9.24gr, 57 mmol) in NMP (40mL) at 150°C for overnight to afford the title compound (4.2gr, 88% ).
  • Step 5 Preparation of 2-(2-methylpyridin-4-yl)-N-(2-morpholinothiazolo[4,5- b]pyridin-6-yl)oxazole-4-carboxamide
  • Step 1 Preparation of 6-bromo-N-(2-morpholinothiazolo[4,5-b]pyridin-6- yl)picolinamide
  • Step 2 Preparation of tert-butyl (6-((2-morpholinothiazolo[4,5-b]pyridin-6-yl)carbamoyl)- [2,3 ' -bipyridin] -6 ' -yl)carbamate
  • Step 3 Preparation of 6'-amino-N-(2-morpholinothiazolo[4,5-b]pyridin-6-yl)-[2,3'- bipyridine]-6-carboxamide
  • tert-butyl (6-((2- morpholinothiazolo[4,5-b]pyridin-6-yl)carbamoyl)-[2,3'-bipyridin]-6'-yl)carbamate ( 120mg, 0.22 mmol) was deprotected using TFA (12mL) to get the title compound (80mg, 82%).
  • 6-bromo-N-(2- morpholinothiazolo[4,5-b]pyridin-6-yl)picolinamide product of step 1 of example 16 (200mg, 0.477 mmol) was coupled with 4-(4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2-yl)-lH-pyrazole (l l lmg, 0.572 mmol) using sodium carbonate (151mg, 1.431 mmol) and Pd(PPh 3 ) 2 Cl 2 (35mg, 0.0477 mmol) in 1,2-dimethoxyethane (5mL) to get the crude product.
  • Step 1 tert-butyl ((l-(3-fluoro-5-((2-morpholinothiazolo[4,5-b]pyridin-6- yl)carbamoyl)phenyl)piperidin-4-yl)methyl)carbamate
  • tert-butyl ((l-(3- fluoro-5-((2-morpholinothiazolo[4,5-b]pyridin-6-yl)carbamoyl)phenyl)piperidin-4- yl)methyl)carbamate (130mg, 0.228 mmol) was deprotected using methanolic HC1 (4.7mL) to get the crude compound. The resultant crude was purified by prep HPLC to obtain the title compound (55mg, 47.8%).
  • Step 1 Preparation of tert-butyl ((l-(4-fluoro-2-((2-morpholinothiazolo[4,5-b]pyridin-6- yl)carbamoyl)phenyl)piperidin-4-yl)methyl)carbamate
  • Step 2 Preparation of 2-(4-(aminomethyl)piperidin-l-yl)-5-fluoro-N-(2- morpholinothiazolo[4,5-b]pyridin-6-yl)benzamide hydrochloride
  • tert-butyl (( 1 -(4- fluoro-2-((2-morpholinothiazolo[4,5-b]pyridin-6-yl)carbamoyl)phenyl)piperidin-4- yl)methyl)carbamate (50mg, 0.087 mmol) was deprotected using methanolic HC1 (4.7mL) to get the title compound (40mg, 90%).
  • 3-bromo-6- chloropyridin-2-amine (1.8g, 8.653 mmol) was cyclised using potassium ethyl xanthate (2.35g, 14.71 mmol) in in NMP (5mL) at 165°C for overnight to afford the crude product (2.0g).
  • Step 5 Preparation of 4-(6-nitro-5-(piperidin-l-yl)thiazolo[4,5-b]pyridin-2-yl)morpholine Using the same reaction conditions as described in step 1 of example 6 4-(5-chloro-6- nitrothiazolo[4,5-b]pyridin-2-yl)morpholine (450mg, 1.50 mmol) was substituted using piperidine (0.5mL) in THF (5mL) 75°C for 2h to obtain the title compound (450mg, 85.7%). LCMS: m/z: 350.1 (M+l) + .
  • Step 7 Preparation of 2-(2-methylpyridin-4-yl)-N-(2-morpholino-5-(piperidin-l- yl)thiazolo[4,5-b]pyridin-6-yl)oxazole-4-carboxamide
  • Step 4 Preparation of 2,5-di(piperidin-l-yl)thiazolo[4,5-b]pyridin-6-amine Using the same reaction conditions as described in step 5 of example 1, 6-nitro-2,5- di(piperidin-l-yl)thiazolo[4,5-b]pyridine (400mg, 1.149 mmol) was reduced with zinc dust (597mg, 9.192 mmol) and ammonium chloride (974mg, 18.384 mmol) in THF (lOmL) to get the crude product (320mg). LCMS: m/z: 318.1(M+1) + .
  • Step 5 Preparation of N-(2,5-di(piperidin-l-yl)thiazolo[4,5-b]pyridin-6-yl)-6-(l-
  • Step 6 Preparation of N-(2,5-di(piperidin-l-yl)thiazolo[4,5-b]pyridin-6-yl)-6-(lH-pyrazol- 4-yl)picolinamide
  • N-(2,5- di(piperidin-l-yl)thiazolo[4,5-b]pyridin-6-yl)-6-(l-(tetrahydro-2H-pyran-2-yl)-lH-pyrazol-4- yl)picolinamide 140mg, 0.244
  • methanolic HC1 5mL
  • the resultant crude was purified by prep HPLC to obtain the title compound (40mg, 32.3%).
  • step 5 of example 2 5-chloro-2- morpholino-6-nitrooxazolo[4,5-b]pyridine (product of step 5 of example 2) (175mg, 0.6147 mmol) was heated with morpholine (2mL) at 110°C for 3h. The solvent was distilled to afford the crude product. The resultant crude was purified by 60-120 silica gel column chromatography using 1% methanol in DCM as eluent to obtain the title compound (190mg, 92.23%).
  • Step 1 Preparation of 5-(4-methylpiperazin-l-yl)-2-morpholino-6-nitrooxazolo[4,5- b]pyridine
  • Step 3 Preparation of N-(5-(4-methylpiperazin-l-yl)-2-morpholinooxazolo[4,5-b]pyridin-6- yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide hydrochloride
  • Step 1 Preparation of tert-butyl (S)-(l-(2-morpholino-6-nitrooxazolo[4,5-b]pyridin-5- yl)pyrrolidin-3-yl)carbamate
  • Step 2 Preparation of tert-butyl (S)-(l-(6-amino-2-morpholinooxazolo[4,5-b]pyridin-5- yl)pyrrolidin-3-yl)carbamate
  • Step 3 Preparation of tert-butyl (S)-(l-(6-(2-(2-methylpyridin-4-yl)oxazole-4- carboxamido)-2-morpholinooxazolo[4,5-b]pyridin-5-yl)pyrrolidin-3-yl)carbamate
  • Step 4 Preparation of (S)-N-(5-(3-aminopyrrolidin-l-yl)-2-morpholinooxazolo[4,5- b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide hydrochloride
  • tert-butyl (S)-(l- (6-(2-(2-methylpyridin-4-yl)oxazole-4-carboxamido)-2-morpholinooxazolo[4,5-b]pyridin-5- yl)pyrrolidin-3-yl)carbamate 150mg, 0.2542 mmol
  • methanolic HCl 5mL
  • Step 1 Preparation of (S)-l-(2-morpholino-6-nitrooxazolo[4,5-b]pyridin-5-yl)pyrrolidin-3- ol
  • Step 3 Preparation of (S)-N-(5-(3-hydroxypyrrolidin-l-yl)-2-morpholinooxazolo[4,5- b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • Step 1 Preparation of tert-butyl (R)-(l-(2-morpholino-6-nitrooxazolo[4,5-b]pyridin-5- yl)pyrrolidin-3-yl)carbamate
  • step 5 of example 2 5-chloro-2- morpholino-6-nitrooxazolo[4,5-b]pyridine (product of step 5 of example 2) (126mg, 0.444 mmol) was substituted with tert-butyl (R)-pyrrolidin-3-ylcarbamate (lOOmg, 0.444 mmol) using potassium carbonate (183mg, 1.33 mmol) and DMF (5mL) to afford the crude product.
  • the resultant crude was purified by 60-120 silica gel column chromatography using 1% methanol in DCM as eluent to obtain the title compound (127mg, 66%).
  • Step 3 Preparation of tert-butyl (R)-(l-(6-(2-(2-methylpyridin-4-yl)oxazole-4- carboxamido)-2-morpholinooxazolo[4,5-b]pyridin-5-yl)pyrrolidin-3-yl)carbamate
  • tert-butyl (R)-(l- (6-amino-2-morpholinooxazolo[4,5-b]pyridin-5-yl)pyrrolidin-3-yl)carbamate (lOOmg, 0.2475 mmol)
  • 2-(2-methylpyridin-4-yl)oxazole-4-carboxylic acid 51mg, 0.2475 mmol
  • EDCI.HCl 72mg, 0.3712 mmol
  • HOBt 35mg, 0.2599 mmol
  • DIPEA 0.128mg, 0.990 mmol
  • Step 4 Preparation of (R)-N-(5-(3-aminopyrrolidin-l-yl)-2-morpholinooxazolo[4,5- b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide hydrochloride
  • tert-butyl (R)-(l- (6-(2-(2-methylpyridin-4-yl)oxazole-4-carboxamido)-2-morpholinooxazolo[4,5-b]pyridin-5- yl)pyrrolidin-3-yl)carbamate (73mg, 0.123 mmol) was deprotected using methanolic HC1 (5mL) to get the title compound (32mg, 53%).
  • Step 1 Preparation of (R)-l-(2-morpholino-6-nitrooxazolo[4,5-b]pyridin-5-yl)pyrrolidin-3- ol
  • step 1 of example 38 5-chloro-2- morpholino-6-nitrooxazolo[4,5-b]pyridine (product of step 5 of example 2) (200mg, 0.704 mmol) was substituted with (R)-pyrrolidin-3-ol (61mg, 0.704 mmol) using potassium carbonate (291mg, 2.112 mmol) and DMF (5mL) to afford the title product (231mg, 98.7%).
  • LCMS: m/z 336.1 (M+l) + .
  • Step 2 Preparation of (R)-5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholino-6-nitrooxazolo[4,5-b]pyridine
  • Step 3 Preparation of (R)-5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinooxazolo[4,5-b]pyridin-6-amine
  • Step 4 Preparation of (R)-N-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinooxazolo[4,5-b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • Step 5 Preparation of (R)-N-(5-(3-hydroxypyrrolidin-l-yl)-2-morpholinooxazolo[4,5- b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • (R)-N-(5-(3- ((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2-morpholinooxazolo[4,5-b]pyridin-6-yl)-2-(2- methylpyridin-4-yl)oxazole-4-carboxamide (167mg, 0.276 mmol) was deprotected using methanolic HC1 (5mL) to get the title compound (106mg, 78%).
  • Step 1 Preparation of tert-butyl (S)-(l-(4-((2-morpholino-5-(piperidin-l- yl)oxazolo[4,5-b]pyridin-6-yl)carbamoyl)oxazol-2-yl)pyrrolidin-3-yl)carbamate
  • Step 2 Preparation of (S)-2-(3-aminopyrrolidin-l-yl)-N-(2-morpholino-5-(piperidin-l- yl)oxazolo[4,5-b]pyridin-6-yl)oxazole-4-carboxamide
  • tert-butyl (S)-(l- (4-((2-morpholino-5-(piperidin-l-yl)oxazolo[4,5-b]pyridin-6-yl)carbamoyl)oxazol-2- yl)pyrrolidin-3-yl)carbamate 130mg, 4.482 mmol was deprotected using TFA (5mL) and DCM (5mL) to get the title compound (73mg, 68.22%).
  • Step 1 Preparation of 6-bromo-N-(2-morpholino-5-(piperidin-l-yl)oxazolo[4,5-b]pyridin- 6-yl)picolinamide
  • Step 2 Preparation of (S)-6-(3-hydroxypyrrolidin-l-yl)-N-(2-morpholino-5-(piperidin-l- yl)oxazolo[4,5-b]pyridin-6-yl)picolinamide
  • Step 1 Preparation of tert-butyl (S)-(l-(6-((2-morpholino-5-(piperidin-l-yl)oxazolo[4,5- b]pyridin-6-yl)carbamoyl)pyridin-2-yl)pyrrolidin-3-yl)carbamate
  • Step 2 Preparation of (S)-6-(3-aminopyrrolidin-l-yl)-N-(2-morpholino-5-(piperidin-l- yl)oxazolo[4,5-b]pyridin-6-yl)picolinamide
  • tert-butyl (S)-(l- (6-((2-morpholino-5-(piperidin-l-yl)oxazolo[4,5-b]pyridin-6-yl)carbamoyl)pyridin-2- yl)pyrrolidin-3-yl)carbamate 60mg, 0.1013 mmol was deprotected using TFA (2mL) and DCM (2mL) to get the title compound (30mg, 60.16%).
  • Step 5 Preparation of 2-(2-methylpyridin-4-yl)-N-(5-(piperidin-l-yl)-2-(pyrrolidin-l- yl)oxazolo[4,5-b]pyridin-6-yl)oxazole-4-carboxamide hydrochloride
  • Step 5 Preparation of N-(2-(2,6-dimethylmorpholino)-5-(piperidin-l-yl)oxazolo[4,5- b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide hydrochloride
  • step 4 of example 22 2,5-di(piperidin- l-yl)thiazolo[4,5-b]pyridin-6-amine (product of step 4 of example 22) (70mg, 0.220 mmol) was coupled 6-(l -methyl- lH-pyrazol-4-yl)picolinic acid (intermediate 4) (53mg, 0.264 mmol) using EDCI.HC1 (63mg, 0.33 mmol), HOBt (45mg, 0.33 mmol), DIPEA (78mg, 0.66 mmol) in DMF (5mL) to afford the crude product.
  • EDCI.HC1 63mg, 0.33 mmol
  • HOBt 45mg, 0.33 mmol
  • DIPEA 78mg, 0.66 mmol
  • Step 4 Preparation of 2-((2R,6S)-2,6-dimethylmorpholino)-5-(piperidin-l-yl)thiazolo[4,5- b]pyridin-6-amine
  • Step 5 Preparation of N-(2-((2S,6R)-2,6-dimethylmorpholino)-5-(piperidin-l- yl)thiazolo[4,5-b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • Step 2 Preparation of (S)-4-(5-(3-fluoropiperidin-l-yl)-6-nitrothiazolo[4,5-b]pyridin-2- yl)morpholine DAST (0.17mL, 1.3013 mmol) was added to the cooled (-78°C) solution of (S)-l-(2- morpholino-6-nitrothiazolo[4,5-b]pyridin-5-yl)piperidin-3-ol (190mg, 0.5205 mmol) in DCM (5mL). The reaction was quenched with ice water after stirring at -78°C for 30min.
  • Step 4 Preparation of (S)-N-(5-(3-fluoropiperidin-l-yl)-2-morpholinothiazolo[4,5- b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • Step l Preparation of 6-bromo-N-(2-morpholino-5-(piperidin-l-yl)thiazolo[4,5-b]pyridin-6- yl)picolinamide
  • 2-morpholino-5- (piperidin-l-yl)thiazolo[4,5-b]pyridin-6-amine (product of step 6 of example 20) (35mg, 0.994 mmol) was coupled with 6-bromopicolinic acid (301mg, 1.49 mmol) using EDCI.HC1 (285mg, 1.49 mmol), HOBt (141mg, 1.04 mmol), DIPEA (384mg, 2.98 mmol) in DMF (lOmL) to afford the crude product.
  • Step 2 Preparation of tert-butyl (S)-(l-(6-((2-morpholino-5-(piperidin-l-yl)thiazolo[4,5- b]pyridin-6-yl)carbamoyl)pyridin-2-yl)pyrrolidin-3-yl)carbamate
  • Step 3 Preparation of (S)-6-(3-aminopyrrolidin-l-yl)-N-(2-morpholino-5-(piperidin-l- yl)thiazolo[4,5-b]pyridin-6-yl)picolinamide
  • tert-butyl (S)-(l- (6-((2-morpholino-5-(piperidin-l-yl)thiazolo[4,5-b]pyridin-6-yl)carbamoyl)pyridin-2- yl)pyrrolidin-3-yl)carbamate (65mg, 9.3655) was deprotected using TFA (2mL) and DCM (8mL) to get the title compound (45mg, 83.3%).
  • step 2 of example 43 6-bromo-N-(2- morpholino-5-(piperidin-l-yl)thiazolo[4,5-b]pyridin-6-yl)picolinamide (product of step 1 of example 63) (70mg, 0.139 mmol) was substituted with (S)-pyrrolidin-3-ol (19mg, 0.208 mmol) using sodium carbonate (59mg, 0.556 mmol) in DMF (3mL) at 140°C for 12h to obtain the title compound (50mg, 71.4%).
  • Step 1 Preparation of 6-bromo-N-(2,5-di(piperidin-l-yl)thiazolo[4,5-b]pyridin-6- yl)picolinamide
  • Step 2 Preparation of tert-butyl (S)-(l-(6-((2,5-di(piperidin-l-yl)thiazolo[4,5-b]pyridin-6- yl)carbamoyl)pyridin-2-yl)pyrrolidin-3-yl)carbamate
  • Step 3 Preparation of (S)-6-(3-aminopyrrolidin-l-yl)-N-(2,5-di(piperidin-l-yl)thiazolo[4,5- b]pyridin-6-yl)picolinamide
  • Step 1 Preparation of tert-butyl (S)-(l-(4-((2-morpholino-5-(piperidin-l- yl)thiazolo[4,5-b]pyridin-6-yl)carbamoyl)oxazol-2-yl)pyrrolidin-3-yl)carbamate
  • Step 2 Preparation of (S)-2-(3-aminopyrrolidin-l-yl)-N-(2-morpholino-5-(piperidin-l- yl)thiazolo[4,5-b]pyridin-6-yl)oxazole-4-carboxamide
  • tert-butyl (S)-(l- (4-((2-morpholino-5-(piperidin-l-yl)thiazolo[4,5-b]pyridin-6-yl)carbamoyl)oxazol-2- yl)pyrrolidin-3-yl)carbamate (170mg, 0.2839 mmol) was deprotected using TFA (5mL) and DCM (5mL) to get the title compound (69mg, 48.93%).
  • Step 1 Preparation of tert-butyl (S)-(l-(2-morpholino-6-nitrothiazolo[4,5-b]pyridin-5- yl)pyrrolidin-3-yl)carbamate
  • Step 2 Preparation of tert-butyl tert-butyl (S)-(l-(6-amino-2-morpholinothiazolo[4,5- b]pyridin-5-yl)pyrrolidin-3-yl)carbamate
  • Step 3 Preparation of tert-butyl (S)-(l-(6-(2-(2-methylpyridin-4-yl)oxazole-4- carboxamido)-2-morpholinothiazolo[4,5-b]pyridin-5-yl)pyrrolidin-3-yl)carbamate Using the same reaction conditions as described in step 6 of example 1, tert-butyl (S)-(l- (6-amino-2-morpholinothiazolo[4,5-b]pyridin-5-yl)pyrrolidin-3-yl)carbamate (83mg, 0.4047 mmol), was coupled with 2-(2-methylpyridin-4-yl)oxazole-4-carboxylic acid (170mg, 0.4047 mmol) using EDCI.HC1 (117mg, 0.6155 mmol), HOBt (58mg, 0.4293 mmol), DIPEA (209mg, 1.624 mmol) in DMF (5mL
  • Step 4 Preparation of (S)-N-(5-(3-aminopyrrolidin-l-yl)-2-morpholinothiazolo[4,5- b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • tert-butyl (S)-(l- (6-(2-(2-methylpyridin-4-yl)oxazole-4-carboxamido)-2-morpholinothiazolo[4,5-b]pyridin-5- yl)pyrrolidin-3-yl)carbamate (161mg, 0.2656 mmol) was deprotected using methanolic HCl (5mL) to get the title compound (83mg, 62%).
  • step 4 of example 20 Using the same reaction conditions as described in step 7 of example l,4-(5-chloro-6- nitrothiazolo[4,5-b]pyridin-2-yl)morpholine (product of step 4 of example 20) (500mg, 1.666 mmol) was coupled with cyclopropyl boronic acid (286mg, 3.333 mmol) using potassium phosphate (882mg, 4.165 mmol) and Pd(OAc) 2 (57mg, 0.254 mmol) and tricyclohexyl phosphine (70mg, 0.254 mmol) in toluene : water (10/lmL) to get the crude product.
  • potassium phosphate 882mg, 4.165 mmol
  • Pd(OAc) 2 57mg, 0.254 mmol
  • tricyclohexyl phosphine 70mg, 0.254 mmol
  • Step 3 Preparation of tert-butyl (S)-(l-(4-((5-cyclopropyl-2-morpholinothiazolo[4,5- b]pyridin-6-yl)carbamoyl)oxazol-2-yl)pyrrolidin-3-yl)carbamate
  • Step 4 Preparation of (S)-2-(3-aminopyrrolidin-l-yl)-N-(5-cyclopropyl-2- morpholinothiazolo[4,5-b]pyridin-6-yl)oxazole-4-carboxamide
  • tert-butyl (S)-(l- (4-((5-cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)carbamoyl)oxazol-2-yl)pyrrolidin- 3-yl)carbamate 180mg, 0.324 mmol was deprotected using TFA (lmL) and DCM (0.5mL) to get the crude product. The resultant crude was purified by prep HPLC to obtain the title compound (60mg, 40.8%).
  • Step 1 Preparation of (S)-l-(2-morpholino-6-nitrothiazolo[4,5-b]pyridin-5-yl)pyrrolidin-3- ol
  • step 4 of example 20 4-(5-chloro-6- nitrothiazolo[4,5-b]pyridin-2-yl)morpholine (product of step 4 of example 20) (150mg, 0.5 mmol) was substituted with (S)-pyrrolidin-3-ol (43mg, 0.5 mmol) using potassium carbonate (207mg, 1.5 mmol) and DMF (2mL) to afford the title product (171mg, 97%).
  • LCMS: m/z 352.1 (M+l) + .
  • Step 3 Preparation of (S)-N-(5-(3-hydroxypyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • Step 1 Preparation of 6-bromo-N-(5-cyclopropyl-2-morpholinothiazolo[4,5- b]pyridin-6-yl)picolinamide
  • Step 2 Preparation of (S)-N-(5-cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6- yl)-6-(3-hydroxypyrrolidin-l-yl)picolinamide
  • Step 1 Preparation of N-(5-cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-6-(l- (tetrahydro-2H-pyran-2-yl)-lH-pyrazol-4-yl)picolinamide
  • Step 2 Preparation of N-(5-cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-6-(lH- pyrazol-4-yl)picolinamide hydrochloride
  • N-(5- cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-6-( 1 -(tetrahydro-2H-pyran-2-yl)- 1H- pyrazol-4-yl)picolinamide (lOOmg, 0.188 mmol) was deprotected using methanolic HC1 (8mL) to get the title compound (90mg, 94.7%).
  • LCMS: m/z 447.7 (M+l) + .
  • Step 3 Preparation of(S)-N-(5-cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-6-(l- (2-hydroxypropyl)-lH-pyrazol-4-yl)picolinamide
  • N-(5- cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-6-(lH-pyrazol-4-yl)picolinamide hydrochloride (90mg, 0.201 mmol) was substituted with (S)-2-methyloxirane (24mg, 0.402 mmol) using sodium carbonate (107mg, 1.00 mmol) in DMF (2mL) at 140°C for 4h to obtain the crude product.
  • the resultant crude was purified by prep HPLC to obtain the title compound (35mg, 34.6%).
  • Step 1 Preparation ofN-(5-cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-2-(lH- pyrazol-4-yl)oxazole-4-carboxamide hydrochloride
  • Step 2 Preparation of(S)-N-(5-cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-2-(l- (2-hydroxypropyl)-lH-pyrazol-4-yl)oxazole-4-carboxamide
  • N-(5- cyclopropyl-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-2-(lH-pyrazol-4-yl)oxazole-4- carboxamide hydrochloride (145mg, 0.306 mmol) was substituted with (S)-2-methyloxirane (35mg, 0.613 mmol) using sodium carbonate (162mg, 1.53 mmol) in DMF (2mL) at 100°C for 14h to obtain the crude product.
  • the resultant crude was purified by prep HPLC to obtain the title compound (50mg, 21.2%).
  • Step 1 Preparation of l-(2-morpholino-6-nitrothiazolo[4,5-b]pyridin-5-yl)pyrrolidin-3-ol
  • Step 2 Preparation of 4-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-6- nitrothiazolo[4,5-b]pyridin-2-yl)morpholine Using the same reaction conditions as described in step 2 of example 41, l-(2- morpholino-6-nitrothiazolo[4,5-b]pyridin-5-yl)pyrrolidin-3-ol (lOOmg, 0.2857 mmol) was protected using TBDMS chloride (52mg, 0.3428 mmol) and imidazole (43mg, 0.712 mmol) in DMF (5mL) at RT for 14h to get the crude product.
  • TBDMS chloride 52mg, 0.3428 mmol
  • imidazole 43mg, 0.712 mmol
  • Step 3 Preparation of 5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-amine
  • Step 4 Preparation of N-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-yl)-2-(6-methoxypyridin-3-yl)oxazole-4-carboxamide
  • Step 5 Preparation of N-(5-(3-hydroxypyrrolidin-l-yl)-2-morpholinothiazolo[4,5- b]pyridin-6-yl)-2-(6-methoxypyridin-3-yl)oxazole-4-carboxamide
  • Step 1 Preparation of (S)-4-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-6- nitrothiazolo[4,5-b]pyridin-2-yl)morpholine
  • Step 2 Preparation of (S)-5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-amine
  • Step 3 Preparation of (S)-N-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-yl)-2-(6-methoxypyridin-3-yl)oxazole-4-carboxamide
  • Step 4 Preparation of (S)-N-(5-(3-hydroxypyrrolidin-l-yl)-2-morpholinothiazolo[4,5- b]pyridin-6-yl)-2-(6-methoxypyridin-3-yl)oxazole-4-carboxamide
  • Step 1 Preparation of (R)-l-(2-morpholino-6-nitrothiazolo[4,5-b]pyridin-5-yl)pyrrolidin-3- ol
  • Step 2 Preparation of (R)-4-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-6- nitrothiazolo[4,5-b]pyridin-2-yl)morpholine Using the same reaction conditions as described in step 2 of example 41, (R)-l-(2- morpholino-6-nitrothiazolo[4,5-b]pyridin-5-yl)pyrrolidin-3-ol(100mg, 0.2857 mmol) was protected using TBDMS chloride (52mg, 0.3428 mmol) and imidazole (43mg, 0.712 mmol) in DMF (5mL) at RT for 14h to get the crude product.
  • TBDMS chloride 52mg, 0.3428 mmol
  • imidazole 43mg, 0.712 mmol
  • Step 3 Preparation of (R)-5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-amine
  • Step 4 Preparation of (R)-N-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-yl)-2-(6-methoxypyridin-3-yl)oxazole-4-carboxamide
  • (R)-5-(3-((tert- butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2-morpholinothiazolo[4,5-b]pyridin-6-amine 60mg, 0.2727 mmol
  • 2-(6-methoxypyridin-3-yl)oxazole-4-carboxylic acid intermediate 7) (lOOmg, 0.2298 mmol) using EDCI.HC1 (79mg, 0.4108 mmol), HOBt (39mg, 0.2865 m
  • Step 5 Preparation of (R)-N-(5-(3-hydroxypyrrolidin-l-yl)-2-morpholinothiazolo[4,5- b]pyridin-6-yl)-2-(6-methoxypyridin-3-yl)oxazole-4-carboxamide
  • Step 3 Preparation of N-(5-(azetidin-l-yl)-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-
  • Step 4 Preparation of (S)-N-(5-(azetidin-l-yl)-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-6- (3-hydroxypyrrolidin-l-yl)picolinamide
  • N-(5-(azetidin- l-yl)-2-morpholinothiazolo[4,5-b]pyridin-6-yl)-6-bromopicolinamide (lOOmg, 0.210 mmol) was substituted with (S)-pyrrolidin-3-ol hydrochloride (40mg, 0.315 mmol) using sodium carbonate (90mg, 0.840 mmol) in DMF (2mL) at 100°C for 14h to obtain the title compound (35mg, 35%).
  • Step 1 Preparation of l-(2-morpholino-6-nitrothiazolo[4,5-b]pyridin-5-yl)azetidin-3-ol
  • step 4 of example 20 4-(5-chloro-6- nitrothiazolo[4,5-b]pyridin-2-yl)morpholine (product of step 4 of example 20) (200mg, 0.6666 mmol) was substituted with azetidin-3-ol hydrochloride (109mg, 1.0 mmol) using sodium carbonate (212mg, 3.0 mmol) and DMF (2mL) at 80°C for lh to afford the title product (160mg, 71.11%).
  • LCMS: m/z 338.1 (M+l) + .
  • Step 2 Preparation of 4-(5-(3-((tert-butyldimethylsilyl)oxy)azetidin-l-yl)-6- nitrothiazolo[4,5-b]pyridin-2-yl)morpholine
  • l-(2- morpholino-6-nitrothiazolo[4,5-b]pyridin-5-yl)azetidin-3-ol(160mg, 0.4742 mmol) was protected using TBDMS chloride (86mg, 0.5691 mmol) and imidazole (113mg, 1.658 mmol) and DAMP (64mg, 0.5217 mmol) in DMF (5mL) at RT for lh to get the crude product.
  • the resultant crude was purified by 60-120 silica gel column chromatography using 1% methanol in DCM as eluent to obtain the title compound (210mg, 98.59%).
  • LCMS: m/z 452.2 (M+l) + .
  • Step 3 Preparation of 5-(3-((tert-butyldimethylsilyl)oxy)azetidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-amine
  • Step 4 Preparation of N-(5-(3-((tert-butyldimethylsilyl)oxy)azetidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • Step 5 Preparation of N-(5-(3-hydroxyazetidin-l-yl)-2-morpholinothiazolo[4,5-b]pyridin- 6-yl)-2-(2-methylpyridin-4-yl)oxazole-4-carboxamide
  • Step 1 Preparation of (S)-N-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-yl)-5-(2-methylpyridin-4-yl)thiophene-2-carboxamide
  • Step 2 Preparation of (S)-N-(5-(3-hydroxypyrrolidin-l-yl)-2-morpholinothiazolo[4,5- b]pyridin-6-yl)-5-(2-methylpyridin-4-yl)thiophene-2-carboxamide
  • Step 1 Preparation of (S)-N-(5-(3-((tert-butyldimethylsilyl)oxy)pyrrolidin-l-yl)-2- morpholinothiazolo[4,5-b]pyridin-6-yl)-5-(2-methylpyridin-4-yl)furan-2-carboxamide
  • Step 2 Preparation of (S)-N-(5-(3-hydroxypyrrolidin-l-yl)-2-morpholinothiazolo[4,5- b]pyridin-6-yl)-5-(2-methylpyridin-4-yl)furan-2-carboxamide

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KR1020167021713A KR102392684B1 (ko) 2014-01-13 2015-01-12 Irak4 억제제로서의 바이시클릭 헤테로시클릴 유도체
KR1020257009008A KR20250049413A (ko) 2014-01-13 2015-01-12 Irak4 억제제로서의 바이시클릭 헤테로시클릴 유도체
PL18190333T PL3466955T3 (pl) 2014-01-13 2015-01-12 Sposób otrzymywania pochodnych oksazolo[4,5-B]pirydyny i tiazolo[4,5-B]pirydyny jako inhibitorów IRAK4 w leczeniu raka
HRP20181795TT HRP20181795T1 (hr) 2014-01-13 2015-01-12 Biciklički heterociklilni derivati kao inhibitori irak4
AU2015205374A AU2015205374B2 (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
IL294895A IL294895B2 (en) 2014-01-13 2015-01-12 History of bicyclic heterocyclyls as IRAK4 inhibitors
LTEP15735499.4T LT3094329T (lt) 2014-01-13 2015-01-12 Bicikliniai heterociklilo dariniai kaip irak4 inhibitoriai
RS20181355A RS58024B1 (sr) 2014-01-13 2015-01-12 Biciklični heterociklični derivati kao irak4 inhibitori
IL311677A IL311677B2 (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as irak4 inhibitors
SM20180680T SMT201800680T1 (it) 2014-01-13 2015-01-12 Derivati eterociclici e biciclici come inibitori di irak4
MX2016009013A MX359909B (es) 2014-01-13 2015-01-12 Derivados de heterociclilo biciclicos como inhibores de cinasa-4 asociada al receptor de interleucina-1 (irak4).
NZ722019A NZ722019A (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as irak4 inhibitors
CU2016000111A CU24389B1 (es) 2014-01-13 2015-01-12 Compuestos de heterociclilo bicíclico como inhibidores de irak4
US15/111,000 US9732095B2 (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
KR1020227014075A KR102574390B1 (ko) 2014-01-13 2015-01-12 Irak4 억제제로서의 바이시클릭 헤테로시클릴 유도체
HK17105239.1A HK1231410B (zh) 2014-01-13 2015-01-12 作为irak4抑制剂的二环杂环衍生物
EA201691428A EA031913B1 (ru) 2014-01-13 2015-01-12 Бициклические гетероциклические производные в качестве ингибиторов irak4
EP15735499.4A EP3094329B1 (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as irak4 inhibitors
DK15735499.4T DK3094329T3 (en) 2014-01-13 2015-01-12 BICYCLIC HETEROCYCLYL DERIVATIVES AS IRAC4 INHIBITORS
ES15735499.4T ES2692852T3 (es) 2014-01-13 2015-01-12 Derivados de heterociclilo bicíclicos como inhibidores de IRAK4
SI201530477T SI3094329T1 (sl) 2014-01-13 2015-01-12 Biciklični heterociklilni derivati kot inhibitorji IRAK4
JP2016563278A JP6479850B2 (ja) 2014-01-13 2015-01-12 Ｉｒａｋ４阻害剤としての二環式ヘテロシクリル誘導体
KR1020237029626A KR102785576B1 (ko) 2014-01-13 2015-01-12 Irak4 억제제로서의 바이시클릭 헤테로시클릴 유도체
BR112016016158-0A BR112016016158B1 (pt) 2014-01-13 2015-01-12 Derivados de heterociclila bicíclicos como inibidores de irak4, sua composição farmacêutica e seus usos
EP20211096.1A EP3805233B1 (en) 2014-01-13 2015-01-12 (r) and (s) enantiomers of n-(5-(3-hydroxypyrrolidin-1-yl)-2-morpholinooxazolo[4,5-b]pyridin-6-yl)-2-(2-methylpyridin-4-yl)oxazole-carboxamide as irak4 inhibitors for the treatment of cancer
IL317922A IL317922A (en) 2014-01-13 2015-01-12 History of bicyclic heterocyclyls as IRAK4 inhibitors
CN201580013752.4A CN106456619B (zh) 2014-01-13 2015-01-12 作为irak4抑制剂的二环杂环衍生物
IL302878A IL302878B2 (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as irak4 inhibitors
EP23214923.7A EP4353324A3 (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as irak4 inhibitors
PL15735499T PL3094329T3 (pl) 2014-01-13 2015-01-12 Bicykliczne pochodne heterocyklilowe jako inhibitory irak4
SG11201605486WA SG11201605486WA (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as irak4 inhibitors
EP18190333.7A EP3466955B1 (en) 2014-01-13 2015-01-12 Method of preparing oxazolo[4,5-b]pyridine and thiazolo[4,5-b]pyridine derivatives as irak4 inhibitors for treating cancer
IL284952A IL284952B (en) 2014-01-13 2015-01-12 History of bicyclic heterocyclyls as irak4 inhibitors
CA2935887A CA2935887A1 (en) 2014-01-13 2015-01-12 Bicyclic heterocyclyl derivatives as irak4 inhibitors
IL246575A IL246575B (en) 2014-01-13 2016-07-03 Bicyclic heterocyclyl derivatives as irak4 inhibitors
PH12016501344A PH12016501344A1 (en) 2014-01-13 2016-07-07 Bicyclic heterocyclyl derivatives as irak4 inhibitors
US15/667,173 US10047104B2 (en) 2014-01-13 2017-08-02 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
US16/054,512 US10640517B2 (en) 2014-01-13 2018-08-03 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
AU2018267569A AU2018267569B2 (en) 2014-01-13 2018-11-20 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
CY20181101382T CY1121433T1 (el) 2014-01-13 2018-12-21 Παραγωγα δικυκλικων ετεροκυκλυλιων ως αναστολεις irak4
IL271364A IL271364B (en) 2014-01-13 2019-12-11 Bicyclic heterocyclyl derivatives as irak4 inhibitors
AU2019283795A AU2019283795B2 (en) 2014-01-13 2019-12-17 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
US16/795,394 US10995100B2 (en) 2014-01-13 2020-02-19 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
PH12020500529A PH12020500529A1 (en) 2014-01-13 2020-03-13 Bicyclic heterocyclyl derivatives as irak4 inhibitors
CY20211100076T CY1123936T1 (el) 2014-01-13 2021-01-29 Μεθοδος παρασκευης παραγωγών οξαζολο[4,5-β]πυριδινης και θειαζολο[4,5-β]πυριδινης ως αναστολεων irak4 για την αγωγη του καρκινου
US17/245,611 US11691987B2 (en) 2014-01-13 2021-04-30 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
AU2021203761A AU2021203761B2 (en) 2014-01-13 2021-06-08 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
US18/141,008 US11981685B2 (en) 2014-01-13 2023-04-28 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
AU2023222987A AU2023222987B2 (en) 2014-01-13 2023-09-01 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
US18/629,313 US12410193B2 (en) 2014-01-13 2024-04-08 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors
US19/289,386 US20250361244A1 (en) 2014-01-13 2025-08-04 Bicyclic heterocyclyl derivatives as irak4 inhibitors
AU2025226775A AU2025226775A1 (en) 2014-01-13 2025-09-04 Bicyclic heterocyclyl derivatives as IRAK4 inhibitors

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