WO2021257851A1 - Thyromimetics - Google Patents

Thyromimetics Download PDF

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Publication number
WO2021257851A1
WO2021257851A1 PCT/US2021/037862 US2021037862W WO2021257851A1 WO 2021257851 A1 WO2021257851 A1 WO 2021257851A1 US 2021037862 W US2021037862 W US 2021037862W WO 2021257851 A1 WO2021257851 A1 WO 2021257851A1
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Prior art keywords
formula
lower alkyl
halo
isotope
racemate
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PCT/US2021/037862
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English (en)
French (fr)
Inventor
Thomas Von Geldern
Bradley BACKES
Brian Andrew Stearns
Jill Melissa Baccei
Jason Randall HARRIS
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Autobahn Therapeutics Inc
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Autobahn Therapeutics Inc
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Priority to US18/002,037 priority Critical patent/US12528761B2/en
Priority to CN202180050930.6A priority patent/CN115916740A/zh
Priority to JP2022577453A priority patent/JP2023530708A/ja
Priority to EP21825030.6A priority patent/EP4168384A4/en
Publication of WO2021257851A1 publication Critical patent/WO2021257851A1/en
Anticipated expiration legal-status Critical
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    • C07C229/04Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C229/20Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
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    • C07C237/20Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton containing six-membered aromatic rings
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    • C07C259/06Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to hydrogen atoms or to acyclic carbon atoms
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    • C07C59/64Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
    • C07C59/66Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings the non-carboxylic part of the ether containing six-membered aromatic rings
    • C07C59/68Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings the non-carboxylic part of the ether containing six-membered aromatic rings the oxygen atom of the ether group being bound to a non-condensed six-membered aromatic ring
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    • C07C59/68Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings the non-carboxylic part of the ether containing six-membered aromatic rings the oxygen atom of the ether group being bound to a non-condensed six-membered aromatic ring
    • C07C59/70Ethers of hydroxy-acetic acid, e.g. substitutes on the ring
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    • C07C69/732Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of unsaturated acids of unsaturated hydroxy carboxylic acids
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    • C07C69/73Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of unsaturated acids
    • C07C69/734Ethers
    • C07C69/736Ethers the hydroxy group of the ester being etherified with a hydroxy compound having the hydroxy group bound to a carbon atom of a six-membered aromatic ring
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    • C07D207/22Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D207/24Oxygen or sulfur atoms
    • C07D207/262-Pyrrolidones
    • C07D207/2632-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
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    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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    • C07D233/64Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
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    • C07D237/10Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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    • C07D239/28Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
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    • C07D239/42One nitrogen atom
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    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
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    • C07D241/14Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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    • C07D295/16Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms
    • C07D295/18Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
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Definitions

  • compounds are provided having the structure of Formula (I), or a pharmaceutically acceptable isomer, racemate, tautomer, hydrate, solvate, isotope, or salt thereof, wherein L′ is ⁇ OC(O) ⁇ .
  • compounds are provided having the structure of Formula (I), or a pharmaceutically acceptable isomer, racemate, tautomer, hydrate, solvate, isotope, or salt thereof, wherein L′ is ⁇ S(O) t ⁇ .
  • Representative compounds of Formula (I), and Formulas (II) through (VIII) as applicable, include the compounds listed in Table 1 below, as well as pharmaceutically acceptable salts thereof. To this end, representative compounds are identified herein by their respective “Compound Number”, which is sometimes abbreviated as “Compound No.”, “Cmpd. No.” or “No.” [00148] “Isomer” is used herein to encompass all chiral, diastereomeric or racemic forms of a structure, unless a particular stereochemistry or isomeric form is specifically indicated. Such compounds can be enriched or resolved optical isomers at any or all asymmetric atoms as are apparent from the depictions, at any degree of enrichment.
  • Pharmaceutically acceptable base addition salts of compounds of the invention include, for example, metallic salts including alkali metal, alkaline earth metal, and transition metal salts such as, for example, calcium, magnesium, potassium, sodium, and zinc salts.
  • Pharmaceutically acceptable base addition salts also include organic salts made from basic amines such as, for example, N,N'dibenzylethylenediamine, chloroprocaine, choline, diethanolamine, ethylenediamine, meglumine (N-methylglucamine), tromethamine (tris-hydroxymethyl methylamine), and procaine.
  • Pharmaceutically acceptable acid addition salts may be prepared from an inorganic acid or from an organic acid.
  • inorganic acids include hydrochloric, hydrobromic, hydriodic, nitric, carbonic, sulfuric, and phosphoric acids.
  • Appropriate organic acids may be selected from aliphatic, cycloaliphatic, aromatic, aromatic aliphatic, heterocyclic, carboxylic, and sulfonic classes of organic acids, examples of which include formic, acetic, propionic, succinic, glycolic, gluconic, lactic, malic, tartaric, citric, ascorbic, glucuronic, maleic, fumaric, pyruvic, aspartic, glutamic, benzoic, anthranilic, 4-hydroxybenzoic, phenylacetic, mandelic, hippuric, malonic, oxalic, embonic (pamoic), methanesulfonic, ethanesulfonic, benzenesulfonic, panthothenic, trifluoromethanesulfonic, 2-hydroxyethanesul
  • the formulations can be mixed with auxiliary agents which do not deleteriously react with the active compounds.
  • auxiliary agents which do not deleteriously react with the active compounds.
  • Such additives can include wetting agents, emulsifying and suspending agents, salt for influencing osmotic pressure, buffers and/or coloring substances, preserving agents, sweetening agents, or flavoring agents.
  • the compositions can also be sterilized if desired.
  • the route of administration can be any route which effectively transports the active compound of the invention to the appropriate or desired site of action, such as oral, nasal, pulmonary, buccal, subdermal, intradermal, transdermal, or parenteral, including intravenous, subcutaneous and/or intramuscular. In one embodiment, the route of administration is oral.
  • methods of making a composition of a compound described herein including formulating a compound of the invention with a pharmaceutically acceptable carrier or diluent.
  • the pharmaceutically acceptable carrier or diluent is suitable for oral administration.
  • the methods can further include the step of formulating the composition into a tablet or capsule.
  • the pharmaceutically acceptable carrier or diluent is suitable for parenteral administration.
  • the methods further include the step of lyophilizing the composition to form a lyophilized preparation.
  • reaction may be carried out in any suitable solvent, or other reagents to perform the transformation[s] necessary.
  • suitable solvents are protic or aprotic solvents which are substantially non-reactive with the reactants, the intermediates or products at the temperatures at which the reactions are carried out (i.e., temperatures which may range from the freezing to boiling temperatures, or higher if reactions are run in sealed vessels).
  • a given reaction may be carried out in one solvent or a mixture of more than one solvent.
  • a di- or tri-substituted phenol (E) (for example, 3,5- dichlorophenol, or 2-fluoro-3,5-dichlorophenol, or the like) is reacted with a formaldehyde equivalent (for example, aqueous formaldehyde, or paraformaldehyde, or dimethoxymethane, or the like) to give a hydroxymethyl derivative (F).
  • a formaldehyde equivalent for example, aqueous formaldehyde, or paraformaldehyde, or dimethoxymethane, or the like
  • the phenolic residue of F is selectively protected (for example, as the corresponding benzyl ether, using benzyl bromide and base, or the like) to give intermediate G.
  • intermediate J (as prepared in Scheme 2) is coupled to ethynyltrimethylsilane under Sogonashira conditions (for example, using Pd(PPh 3 Cl 2 /CuI, or the like) to give alkyne (L) that can be deprotected with a fluoride ion source (for example, using tetrabutylammonium fluoride, or the like) to give intermediate M.
  • Sogonashira conditions for example, using Pd(PPh 3 Cl 2 /CuI, or the like
  • a fluoride ion source for example, using tetrabutylammonium fluoride, or the like
  • Intermediate Q is selectively reduced (for example, using sodium borohydride, or the like) to give alcohol (R), and deprotected with a fluoride ion source (for example, using tetrabutylammonium fluoride, or the like) to give intermediate S.
  • Alcohol S is protected (for example, as the tert-butyldimethyl silyl ether, or the like using tert-butyldimethyl silyl chloride, or the like and imidazole, or the like) to give an alkynyl derivative (M) of the present invention.
  • Scheme 5 [00205] Bromomethyl intermediates B of the present invention can be prepared according to Scheme 5.
  • Phenol intermediate A can alkylated with an activated acid-containing moiety (for example, using ethyl 2,2-difluoro-2- bromoacetic acid, or the like) in the presence of base to give acid (AAA), that is deprotected (for example, by treatment with tetra-n-butylammonium fluoride, or the like when the protecting group is a tert-butyl dimethyl silyl ether, or the like) to give compounds OA of the present invention.
  • an activated acid-containing moiety for example, using ethyl 2,2-difluoro-2- bromoacetic acid, or the like
  • base for example, using ethyl 2,2-difluoro-2- bromoacetic acid, or the like
  • AAA acid
  • deprotected for example, by treatment with tetra-n-butylammonium fluoride, or the like when the protecting group is a tert-butyl dimethyl si
  • di- or -tri-substituted arenes may be oxidatively borolated (for example, using an activated borylating agent like (bis- pinacolato)diboron, or the like in the presence of an active metal catalyst (1,5- cyclooctadiene)(methoxy)iridium(I) dimer, or the like) to give the corresponding boronate (AAV).
  • Oxidative deborylation of AAV (for example, using hydrogen peroxide solution) provides the corresponding phenol (E).
  • Scheme 21 [00221] An alternative approach to the preparation of key intermediate phenols (E) is described in Scheme 21.
  • TR reporter-gene assays Compounds were tested for thyroid-hormone receptor activity using TR reporter-gene assays. Reporter cells used in the assays express a TR-receptor hybrid (either TR ⁇ or TR ⁇ ) in which the native N-terminal DNA binding domain (DBD) has been replaced with that of the yeast Gal4 DBD. The reporter gene, firefly luciferase, is functionally linked to the Gal4 upstream activation sequence (UAS). Both cell lines were derived from human embryonic kidney (HEK293).
  • Step 3 At the end of the pre-incubation period, culture media were discarded from the assay plates, and all wells received 100 ⁇ l of compound screening medium.100 ⁇ l of each of the previously prepared “2x-concentration” treatment media were dispensed into duplicate assay wells, thereby achieving the desired final treatment concentrations. The final concentration of DMSO in all assay wells was 0.1, 0.2 or 0.4%. Assay plates were incubated for 24 hr in a cell culture incubator (37°C/5% CO2/85% humidity). [00632] Step 4: At the 24 h assay endpoint, treatment media were discarded and 100 ⁇ l/well of luciferase detection reagent was added.
  • EC50 and SI values are expressed as follows: Potency: + EC 50 > 1,000 nM ++ 100 nM ⁇ EC 50 ⁇ 1,000 nM +++ 10 nM ⁇ EC 50 ⁇ 100 nM ++++ EC 50 ⁇ 10 nM ND Not determined Selectivity: + T3-SI ⁇ 3X ++ 3X ⁇ T3-SI ⁇ 30X T3-SI > 30X ND Not determined TABLE 3 A CTIVITY D ATA
  • the observed rate constant (ke) for the acid metabolite formation was calculated by plotting the metabolite concentration versus time of incubation with the slope being ke and is shown in Table 4.
  • Table 4 A ke is equal to or less than 1.0
  • B ke is greater than 1.0 and less than or equal to 2.5
  • C ke is greater than 2.5
  • NC no conversion.
  • agonists and prodrugs of the present invention when appropriately targeted, may find utility against indications which require selective modulation of TRb receptor, or where activation of both receptor subtypes is preferred.
  • the various embodiments described above can be combined to provide further embodiments. All of the U.S. patents, U.S. patent application publications, U.S. patent applications, foreign patents, foreign patent applications and non-patent publications referred to in this specification and/or listed in the Application Data Sheet are incorporated herein by reference, in their entirety. Aspects of the embodiments can be modified, if necessary, to employ concepts of the various patents, applications and publications to provide yet further embodiments.

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  • Plural Heterocyclic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)
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